Revision History

Table 1 Changes in this release

Revision

Mantis # / Description

Affected Content

2.9A

2225 - Clarify the specification requirements around processing Boot#### variable

Section 3.1.7, Table 3.1, Section 7.1.2

2.9A

2227 - Clarify NVMe device path EUI-64 byte order

Section 10.3.4.21

2.9A

2235 - Clarify EFI_LOAD_OPTION.FilePathList[] device path definition

Section 3.1.3

2.9A

2243 - Removing old references to Wired for Management (WfM)

Section 3.5.2.1, Section 7.3.1, Table 24.1, Referenced Specifications, Appendix R — Glossary

2.9A

2249 - Cleanup of the SI & Binary Prefixes section

Section 1.9.8

2.9A

2251 - Clarification of DevicePath examples using 0xFF for End of HW DP

Section 10.3.4.4, Table 12.4, Table 14.4, Table 15.1, Legacy Floppy

2.9A

2252 - Clarify OS dependency on UEFI vs PI interfaces

Section 1.4

2.9A

2263 - CXL CPER updates

Table N.41

2.9A

2266 - Code First - Image Execution Table - clarify revocations of hashes

Section 32.4.2

2.9A

2270 - Add “CPER” acronym to Appendix N

Appendix N - Common Platform Error Record (CPER)

2.9A

2277 - Code first - Uart() UEFI DevicePath binary/text confusion issue

Section 10.6.1.6

2.9A

2286 - Section header for CHAP (using RADIUS) Authentication Node

Section 32.1.6

2.9A

2306 - Define Arm CPER Processor Error Types

ARM Processor Error Information Structure

2.9A

2311 - Define the DevicePath argument from LoadImage as optional

Section 7.4.1

2.9A

2327 - Correcting subtype value for REST Service Device Path

Section 10.3.4.31, Table 10.64

2.9A

2330 - Principle of Inclusive Terminology statement

Section 1.1

2.9A

2336 - Feedback on UEFI 2.10 draft

sections throughout

2.9A

2342 - GetHealthStatus: Make the statement and table consistent for EFI_UNSUPPORTED for Controller Handle Null case

Section 11.10.2

Changes in previous releases

Revision

Mantis # - Description

Release Date

2.9

1866 GetInfo() of Adapter Information Protocol should have a provision for IHV to return no data

March 2021

2.9

1982 Clarify the PKCS#7 SignedData structure of EFI_VARIABLE_AUTHENTICATION

March 2021

2.9

1986 Need a mechanism using which browser to exit out of IHV formset silently without any popup

March 2021

2.9

1989 NVDIMM SPA Location Cookie

March 2021

2.9

2024 CXL CPER Records

March 2021

2.9

2042 New Event Group EFI_EVENT_GROUP_ AFTER_READY_TO_BOOT

March 2021

2.9

2043 New Event Group EFI_EV ENT_GROUP_BEFORE_EXIT_BOOT_SERVICES

March 2021

2.9

2046 Add support for Key 14 & 56 for Japanese keyboard layout

March 2021

2.9

2053 Figure/Table Numbers are Duplicated in Appendices

March 2021

2.9

2062 Table numbering to restart for each chapter

March 2021

2.9

2065 CXL proposal for CDAT table extraction from devices

March 2021

2.9

2093 UpdateCapsule ScatterGatherList cache maintenance

March 2021

2.9

2129 Add DTB Configuration Table standard GUID

March 2021

2.9

2131 Clarify Console requirements

March 2021

2.9

2134 Introduce unaccepted memory type

March 2021

2.9

2155 Typo in Arm Processor CPER Error Section

March 2021

2.9

2167 CPER for CXL Component Events

March 2021

2.9

2185 Declaration for UEFI 2.9 specification in the System Table

March 2021

2.9

2190 Misc. spec review feedback

March 2021

2.9

2199 EFI_IMAGE_EXECUTION_INFO_TABLE references

March 2021

2.9

2200 Config tables references from section 4.6

March 2021

2.9

2204 Typo in GUID definition for EFI_MANAG ED_NETWORK_SERVICE_BINDING_PROTOCOL

March 2021

2.9

2212 Incorrect cross reference to User Information Table

March 2021

2.8 C

2117 - E FI_BROWSER_ACTION_REQUEST_RECONNECT - perform the action when user exits out of formset

Jan. 2021

2.8 C

2139 Update RISC-V UEFI corresponding spec to align with latest RISC-V spec

Jan. 2021

2.8 C

2155 Typo in Arm Processor CPER Error Section

Jan. 2021

2.8 C

2158 EFI_DRIVE R_HEALTH_PROTOCOL.GetHealthStatus() - Driver not managing any controller

Jan. 2021

2.8 C

2172 Revise EFI_REDFISH_DICOVER_PROTOCOL definitions to match the implementation.

Jan. 2021

2.8 C

2173 Question on EFI_CAPSULE_HEADER Flags definition

Jan. 2021

2.8 C

2184 FI_BOOT_MANAGER_POLICY_PROTOCOL typos

Jan. 2021

2.8 C

2190 EFI_SUCCESS misspelled in five places

Jan. 2021

2.8 B

1926 update: corrected EFI_SYSTEM_TABLE entries from 2_8 to 2_80

May 2020

2.8 B

1935 update: removed a space from several references to the EFI_JSON_CAPSULE_ID_GUID

May 2020

2.8 B

2073 Modify definition of “DPA” for use with CXL based devices

May 2020

2.8 B

2074 Memory Range typo

May 2020

2.8 B

2080 Typo in N.2.2 Section Descriptor Table 56

May 2020

2.8 B

2083 Typo in guid definition of CCIX PER Log Error Section

May 2020

2.8 B

2088 Clarifications on caller-freed buffers

May 2020

2.8 B

2091 Inconsistency in description of EFI_FIRMW ARE_MANAGEMENT_CAPSULE_IMAGE_HEADER structure

May 2020

2.8 B

2092 Typo in definition of PEI Notification type in Table 269. Error record header

May 2020

2.8 B

2095 PCI I/O attribute typos in section 14.4 “EFI PCI I/O Protocol”

May 2020

2.8 B

UEFI Runtime Service Table correction

May 2020

2.8 B

2096 Typo in definition of EFI_JSON_CONFIG_DATA_ITEM

May 2020

2.8 A

1970 Security Command Protocol change for OPAL RAID devices

February 2020

2.8 A

1998 Update RISC-V related spec

February 2020

2.8 A

2000 JSON Capsule clarification

February 2020

2.8 A

2002 Memory allocations between ExitBootServices calls

February 2020

2.8 A

2009 DMTF references in UEFI spec

February 2020

2.8 A

2013 Correct EFI _BOOT_SERVICES.DisconnectController contradicting info in Description

February 2020

2.8 A

2018 EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID should take an EFI_HANDLE as ChildHandle

February 2020

2.8 A

2020 EF I_LOADED_IMAGE_PROTOCOL.LoadOptions does not mention it is related to Load Options.

February 2020

2.8 A

2025 Capsule Depex Length Declaration

February 2020

2.8 A

2026 FMP Capsule Image Header extension

February 2020

2.8 A

2029 Add missing GUIDs in Appendix N

February 2020

2.8 A

2030 Fix spec index to show the Appendix chapters

February 2020

2.8 A

2034 Depex added description

February 2020

2.8 A

2035 Fix OUT parameters marked as IN OUT

February 2020

2.8 A

2036 SetVariable errata: clarify that in-place variable update is supported

February 2020

2.8 A

2038 Configuration Tables Errata

February 2020

2.8 A

2041 EFI_EVENT_GROUP_EXIT_BOOT_SERVICES Errata

February 2020

2.8 A

2050 Incomplete list of EFI_SERVICE_BINDING_PROTOCOL protocols

February 2020

2.8 A

2049 RuntimeServicesSupported EFI variable should be a config table

February 2020

2.8 A

2051 Typo in Table - CPER IA32/X64 Bus Check Structure

February 2020

2.8 A

2053 Figure/Table Numbers are Duplicated in Appendices

February 2020

2.8

1832 Extend SERIAL_IO with DeviceTypeGuid

March 2019

2.8

1834 UEFI REST EX Protocol

March 2019

2.8

1853 Adding support for a REST style formset

March 2019

2.8

1858 New Device Path for bootable NVDIMM namespaces

March 2019

2.8

1861 New EFI_MEMORY_RANGE_CAPSULE Descriptor

March 2019

2.8

1866 GetInfo() of Adapter Information Protocol should have a provision for IHV to return no data

March 2019

2.8

1872 Peripheral-attached Memory

March 2019

2.8

1876 Remove the EBC support requirement

March 2019

2.8

1879 Clarification of REST (EX) protocol

March 2019

2.8

1908 Update of uncommitted data in the FOROM_OPEN callback

March 2019

2.8

1919 Memory Cryptography Attribute

March 2019

2.8

1920 Redfish Discover Protocol

March 2019

2.8

1921 HTTPS hostname validation

March 2019

2.8

1924 Update to EF I_REST_EX_PROTOCOL.AsyncSendReceive

March 2019

2.8

1925 Clarify requirement of REST related protocols

March 2019

2.8

1926 New UEFI Spec Revision –> 2.8

March 2019

2.8

1935 UEFI JSON Capsule Support

March 2019

2.8

1936 ResetSystem - support ResetData for all status scenarios.

March 2019

2.8

1937 Behavior of default values

March 2019

2.8

1941 New EFI REST JSON Structure Protocol

March 2019

2.8

1942 Adding dependency expression capability into FMP type capsules

March 2019

2.8

1947 Keyword strings of Configuration Keyword Handler Protocol Enhancements

March 2019

2.8

1953 Add document version# conventions

March 2019

2.8

1954 set (*Attributes) when GetVariable() returns EFI_BUFFER_TOO_SMALL and Attributes is non-NULL

March 2019

2.8

1956 Platform to honor ActionRequest for Action changing

March 2019

2.8

1961 Add EFI_UNSUPPORTED to EFI_RUNTIME_SERVICES calls

March 2019

2.8

1966 Add new capsule processing error codes

March 2019

2.8

1974 Add new CCIX PER Log Error Section to appendix

March 2019

2.8

1996 Firmware Processing of the Capsule Identified by EFI_JSON_CAPSULE_ID_GUID

March 2019

2.7B

1773 Clarify The EFI System Table entry for capsule image

March 2019

2.7B

1801 ExtractConfig() format may change when called multiple times

March 2019

2.7B

1835 Misleading / unclear statement about EFI-bootability of UDF media

March 2019

2.7B

1838 RGB/BGR Contradiction in 2.7 GOP

March 2019

2.7B

1841 BluetoothLE ECR - support autoreconnect

March 2019

2.7B

1842 BluetoothLE ECR - Add missing ConnectionCompleteCallback

March 2019

2.7B

1843 HTTP Example Code Update

March 2019

2.7B

1844 Replace obsoleted RFC number with new number for TCP

March 2019

2.7B

1845 Clarification on AIP types “Network boot” and “SAN MAC Address”

March 2019

2.7B

1846 EFI_LOAD_FILE2 requirement

March 2019

2.7B

1865 Adding clarification in EFI_NOT_READY for ReadKeyStrokeEx()

March 2019

2.7B

1869 Clarify FMP buffer too small behavior

March 2019

2.7B

1874 Add RFC3021 to reference in uefi.org

March 2019

2.7B

1875 Clarify platform specific elements in chapter 2.6.2

March 2019

2.7B

1878 Errata - Make DHCP server optional for HTTP boot

March 2019

2.7B

1880 Arm binding EL2 register state clarification

March 2019

2.7B

1890 EfiMemoryMappedIO Usage Clarification

March 2019

2.7B

1897 Clarification on mapping of UEFI memory attributes to ARM memory types and paging attributes

March 2019

2.7B

1899 Errata: Clarify EFI_INVALID_PARAMETER for FMP->GetImageInfo()

March 2019

2.7B

1901 GPT Protective MBR description

March 2019

2.7B

1902 CapsuleImageSize Clarification

March 2019

2.7B

1903 Root Directory File Name

March 2019

2.7B

1906 ACPI Table Pointer Installation

March 2019

2.7B

1908 Update of uncommitted data in the FOROM_OPEN callback

March 2019

2.7B

1923 Syntax error in EFI iSCSI Initiator Name Protocol

March 2019

2.7B

1957 Request to add status code EFI_DEVICE_ERROR for ExtractConfig

March 2019

2.7B

1964 Print disclaimer for all future UEFI specs

March 2019

2.7B

1987 incorrect VLAN_CONFIG_SET function definition

March 2019

2.7A

1830 Label Protocol - EFI_NVDIMM_LABEL_FLAGS_LOCAL definition needs to be updated

August 2017

2.7A

1829 Label Protocol Section - Missing define for EFI_NVDIMM_LABEL_FLAGS_UPDATING

August 2017

2.7A

1823 Modifications to the examples of the PCI Option ROM image combinations

August 2017

2.7A

1822 UEFI 2.7 Organization chapter duplicated

August 2017

2.7A

1821 Modify the requirement to enable PCI Bus Mastering

August 2017

2.7A

1817 NVDIMM Label Protocol - SetCookie SerialNumber needs to be UINT32 NOT UINT64

August 2017

2.7A

1816 Clarification of Using HttpConfigData in HTTP protocol

August 2017

2.7A

1815 OpenProtocol() / EFI_ALREADY_STARTED should output existent Interface

August 2017

2.7A

1808 Clarification of using option 43 in PXE v2.1

August 2017

2.7

1779 Adjusting UEFI version to UEFI 2.7

April 2017

2.7

1771BluetoothLE minor fix

April 2017

2.7

1762 UEFI UFS DEVICECONFIG Protocol

April 2017

2.7

1751 Update DNS Device Path

April 2017

2.7

1750 Add new data type to EFI Supplicant Protocol

April 2017

2.7

1745 NVDIMM Label Protocol

April 2017

2.7

1744 NVDIMMBlock Translation Table (BTT) Protocol {NewChapter}

April 2017

2.7

1730 HII Popup Protocol

April 2017

2.7

1726 Host and I/O defense

April 2017

2.7

1720 Have Partition driver publish addition information for MBR/GPT partition types.

April 2017

2.7

1719 Add EFI HTTP Boot Callback Protocol

April 2017

2.7

1718 Allow SetData to clear configuration in Ip4Config2/Ip6Config Protocol

April 2017

2.7

1716 Add BluetoothLE ECR

April 2017

2.7

1711 Firmware Error Record Update

April 2017

2.7

1707 Clarification of Private Authenticated Variables

April 2017

2.7

1701 Add wildcard support to RegisterKeyNotify

April 2017

2.7

1690 Reset Notification Protocol Update

April 2017

2.7

1689 Secure Boot with Externally Managed Configuration

April 2017

2.7

1685 Key Management Services (KMS) Protocol Enhancement

April 2017

2.7

1672 UEFI Variable Enhancements

April 2017

2.7

1654 New AIP Information block for wireless NIC

April 2017

2.7

1652 Add DNS device path node

April 2017

2.7

1647 UEFI binding for RISC-V

April 2017

2.7

1641 Simplify SecureBoot Revocation and Usage of VerifySignature

April 2017

2.7

1641 Simplify Secure Boot Revocation and Usage of VerifySignature

April 2017

2.7

1627 Support ASCII RegEx Patterns in EFI_REGULAR_EXPRESSION_PROTOCOL

April 2017

2.7

1627 EFI regular expression syntax type definitions

April 2017

2.7

1623 New EFI_HTTP_STATUS_CODE enum for 308 Permanent Redirect

April 2017

2.7

1623 New EFI_HTTP_STATUS_CODE enum for 308 Permanent Redirect

April 2017

2.6B

1772 Clarify EFI_NOT_READY in Media State of AIP

April 2017

2.6B

1767 Incorrect structure definition for EFI_IFR_RESET_BUTTON_OP

April 2017

2.6B

1742 Clairfy PK enrolling in user mode

April 2017

2.6B

1741 The memory map returnedByBS->GetMemoryMap() mayContain impossible values.

April 2017

2.6B

1739 typos -Broken references link.

April 2017

2.6B

1729Cleanup of ACPI 2.0 references in UEFI spec

April 2017

2.6B

1708 Typos in Imge Decode and Image Ex Protocols

April 2017

2.6B

1700 Align ACPI descriptor definitions in PCI I/O and PCI RootBridge I/O

April 2017

2.6B

1698 Update to Mantis 1613 - GetNextVariable

April 2017

2.6B

1691 Remove/Deprecate SMM Communication ACPI Table

April 2017

2.6B

1682 HII Protocol StatusCodes

April 2017

2.6B

1678 Simplify the ACPI Table GUID declarations

April 2017

2.6B

1675 section 30.5.1 typo

April 2017

2.6B

1668 Duplicate GUID issue - mustChange the Image Decoder Protocol GUID

April 2017

2.6B

1655 HTTP errata inConfigure()

April 2017

2.6B

1653 Incorrect errorCode value in MTFTP6

April 2017

2.6B

1634 Update to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL TPL restriction

April 2017

2.6B

1629 Errata in GetVariable description

April 2017

2.6B

1625 Clarification of HTTPBoot wire protocol “HTTPClient” VendorClass Option

April 2017

2.6B

1624 Fix spelling typo in EFI_HTTP_STATUS_CODE

April 2017

2.6B

1613 GetNextVariableName Errata

April 2017

2.6B

1612 ResetSystem Errata

April 2017

2.6B

1609 UEFI Errata - Address Security problems in the Pkcs7Verify Protocol

April 2017

2.6B

1608 Enhance EFI_IFR_NUMERIC (Step)

April 2017

2.6B

1586 Errors in appendix N for ARM ProcessorContext Information

April 2017

2.6B

1584 WIFI errata

April 2017

2.6B

1580 Correct some typos

April 2017

2.6B

1559 Clarify return value for NULL pointer in LocateProtocol() API

April 2017

2.6B

1557 secureBoot and auth variable errata

April 2017

2.6B

1556 HTTPv6Boot DHCP Options Errata

April 2017

2.6B

1555 USB Function port protocol errata

April 2017

2.6B

1554 fix to ecr 1539

April 2017

2.6B

1553 os recoveryBoot option errata

April 2017

2.6B

1551 EFIBluetoothConfiguration Protocol Errata

April 2017

2.6B

1550 Replace FTP4 dataCallback pointer-to-function-pointer with regular function pointer

April 2017

2.6A

SameContent as version 2.6,But with the Adobe “accessibility” feature activated so text-to-speech will work.

December 2016

2.6

1548ClarifyBoot procedure when file name is absent2.

January, 2016

2.6

1547Clarify requirements for setting the PK variable.

January, 2016

2.6

1544 DNS lookup API spelling

January, 2016

2.6

1543 ip4/6Config policy errata/2.6 update

January, 2016

2.6

1542 UEFI 2.6 supplicant errata

January, 2016

2.6

1539 New EFI_HTTP_ERROR StatusCode

December, 2015

2.6

1538 UEFI TLS errata

December, 2015

2.6

1536 UEFI 2.6 Errata : IMAGE EX Protocol and EFI HII Image Decoder protocol Errata

December, 2015

2.6

1534 EditorialComments against 2.6 Final Draft

December, 2015

2.6

1533Bugs in the HTTP usage example

December, 2015

2.6

1523Comments against 2.6 Draft

December, 2015

2.6

1522 AArch64Bindings AlignmentBit errata

December, 2015

2.6

1521Comment against UEFI.next draft - M1479

December, 2015

2.6

1519 Version for the next UEFI spec is…

December, 2015

2.6

1518Comments against 2.6 Draft

December, 2015

2.6

1516 EditorialComments against 2.6 Draft

December, 2015

2.6

1509 EFI_PLATFO RM_TO_DRIVER_CONFIGURATION_ PROTOCOL Response to unsupported ParameterTypeGuid

December, 2015

2.6

1508 Lack of flexibility and realism in exception levelChoice whenCalling runtime services

December, 2015

2.6

1507 Insufficient qualification of page attributes for AArch64

December, 2015

2.6

1502 PCI IO Define how to use the Address Translation Offset for systems that are not mapped 1:1

November, 2015

2.6

1501 Define the usage of the “Address Space Granularity” field is defined in the PCI Root IO

November, 2015

2.6

1496Bad table reference in 13.2 EFI_PCI_ROOT _BRIDGE_IO_PROTOCOL.Configuration()

November, 2015

2.6

1494 Errata against UEFI 2.5 Properties Table

November, 2015

2.6

1493 Updates to the SD_MMC_PASS_THRU interface

November, 2015

2.6

1492 wireless macConnection protocol II errata

November, 2015

2.6

1491 supplicant errata

November, 2015

2.6

1480 Refine Progress description in EFI_KEYWORD_HANDLER_PROTOCOL

November, 2015

2.6

1479 UEFI Properties TableClarification

November, 2015

2.6

1471 SD/eMMC PassThru Protocol update (follow up to mantis 1376)

November, 2015

2.6

1467 New API - EFI_ WIRELESS_MAC_CONNECTION_II_PROTOCOL

November, 2015

2.6

1466 UEFI Ram disk protocol

November, 2015

2.6

1452 Minor edits to 0001409

November, 2015

2.6

1414 Generalisation ofCommunication method in Appendix O

November, 2015

2.6

1409 EFI HII ImageEX protocol and EFI HII Image Decoder protocols

November, 2015

2.6

1408 EFI HII Font EX protocol and EFI HII Font Glyph Generator protocols

November, 2015

2.6

1402 Add EFI_BROWSER_ACTION_SUBMITTED

November, 2015

2.6

1383 Adding an EraseBlocks() function to a new protocol

November, 2015

2.6

1376 SD/eMMC PassThru Protocol

November, 2015

2.6

1357 ARMCPER extensions

November, 2015

2.5A

1481 new networkConfig2 protocol data structure has a magic number

October 2015

2.5A

1477 AllowCloseEvent toBeCalled within the Notification Function

October 2015

2.5A

1476 Update to Indicate thatCloseEvent UnregistersCorresponding Protocol Notification Registrations

October 2015

2.5A

1472 ATA Pass Thru Errata

October 2015

2.5A

1469 UNDI Errata - add more statistics

October 2015

2.5A

1468 Errata on UEFI Supplicant protocol

October 2015

2.5A

1451 Memory MapConsistency

October 2015

2.5A

1441 UEFI2.5A – UNDI ProtocolClarification

October 2015

2.5A

1426 UEFI 2.5 typo

October 2015

2.5A

1424 Incorrect link in Section 22.1 FMP GetImageInfo()

October 2015

2.5A

1421 Misc HTTP API typos

October 2015

2.5A

1420 Get NextHighMonotonicCountClarification

October 2015

2.5A

1419 Supplicant protocol using same GUID as TLS protocol

October 2015

2.5A

1418 Inconsistent issues in DNS

October 2015

2.5A

1417 Add HttpMethodMax to EFI_HTTP_METHOD enum

October 2015

2.5A

1410Clarifications in appendix O

October 2015

2.5A

1407 Networking errata - EFI_HTTP_STATUS typos

October 2015

2.5A

1405 Errata in table 271 in Appendix O

October 2015

2.5A

1399 Clarification for EFI_BROWSER_ACTION_ REQUEST_RECONNECT

October 2015

2.5A

1398 Errata update to the runtime GetVariable operation documentation

October 2015

2.5A

1388 Missed memory type fixes

October 2015

2.5A

1381 Remove informativeContent in 12.6.1

October 2015

2.5A

1365 7.4 Virtual Memory Services lists Section 2.3.2 through Section 2.3.4. incorrectly

October 2015

2.5A

1363 Short form URI device path

October 2015

2.5A

1209 UEFI networking APIChapter 2.6 requirements errors

October 2015

2.5A

October 2015

2.5

1364 Extend supplicant data type for EAP

April, 2015

2.5

1362 HTTPBoot typos/bugs

April, 2015

2.5

1360 Vendor Range for UEFI memory Types

April, 2015

2.5

1358 v2.5 amendment and v2.4 errata (missed implementation of Mantis 1089)

April, 2015

2.5

1353 SATA Device Path Node Errata

April, 2015

2.5

1352 Errata for 1263 and 1227

2.5

1350 Keyword Strings Errata

April, 2015

2.5

1348 ERRATA - Section 10.12 EFI _ADAPTER_INFORMATION_PROTOCOLCustom Types

April, 2015

2.5

1347Boot Manager Policy Errata

April, 2015

2.5

1346 Mantis 1288 Errata

April, 2015

2.5

1345 EFI_USB2_HC_PROTOCOL Errata

April, 2015

2.5

1342 DNS6 - friendly amendment for reviewBy USWG

April, 2015

2.5

1341 DNS4 - friendly amendment toBe reviewedBy USWG

April, 2015

2.5

1339 Errata in section 7.2.3.2 Hardware Error Record Variables

April, 2015

2.5

1309 Disallow EFI_VARIABLE_AUTHENTICATION from SecureBoot Policy Variables

April, 2015

2.5

1308 Fix typo’s found in the final/published UEFI 2.4 ErrataB spec

February, 2015

2.5

1304 Add IMA GE_UPDATABLE_VALID_WITH_VENDOR_ CODE to FMPCheck image

February, 2015

2.5

1303 Update the UEFI version to reflect new revision

February, 2015

2.5

1288 The Macro definitionConflict in EFI_SIMPLE_ TEXT_OUTPUT_PROTOCOL.SetAttribute() in UEFI 2.4B

February, 2015

2.5

1287 Errata: EFI Driver Supported EFI Version not matching the spec revision

February, 2015

2.5

1269Configuration Routing Protocol andConfiguration String Updates

February, 2015

2.5

1268 RAM Disk UEFI Device Path Node

February, 2015

2.5

1266 UEFI.Next Feature - IP_CONFIG2 Protocol

February, 2015

2.5

1263Customized Deployment of SecureBoot

February, 2015

2.5

1257Correct the typedef definitions for EFI_BOOT_SERVI CES/EFI_RUNTIME_SERVICES–Reiterate

February, 2015

2.5

1255 UFS Device Path Node Length

February, 2015

2.5

1254 SD Device Path

February, 2015

2.5

1251 EFI_REGULAR_EXPRESSION_PROTOCOL and EFI_IFR_MATCH2 HII op-code

February, 2015

2.5

1244 sections of the spec mis-arranged

February, 2015

2.5

1234 UEFI.Next feature - SmartCard edge protocol

February, 2015

2.5

1227 UEFI.Next feature - Platform recovery

February, 2015

2.5

1224 UEFI.Next - Adding support for No executable data areas

February, 2015

2.5

1223 UEFI.Next networking features -Chapter 2.6 requirements

February, 2015

2.5

1222 UEFI.Next feature -BMC/Service Processor Device Path

February, 2015

2.5

1221 UEFI.Next feature - REST Protocol

February, 2015

2.5

1220 UEFI.Next feature -Bluetooth

February, 2015

2.5

1219 UEFI.Next Feature - UEFI TLS API

February, 2015

2.5

1218 UEFI.Next feature - EAP2 Protocol

February, 2015

2.5

1217 UEFI.Next feature - WIFI support

February, 2015

2.5

1216 UEFI.next feature - DNS version 6

February, 2015

2.5

1215 UEFI.Next feature - DNS version 4

February, 2015

2.5

1214 UEFI.Next feature - HTTPBoot

February, 2015

2.5

1213 UEFI.Next feature - HTTP helper API

February, 2015

2.5

1212 UEFI.Next feature - HTTP API

February, 2015

2.5

1204 new UEFI USB Function I/O Protocol addition to the UEFI spec

February, 2015

2.5

1201 Exposing Memory Redundancy to OSPM

February, 2015

2.5

1199 Add NVM Express Pass Thru Protocol

February, 2015

2.5

1191 Add new SMBIOS3_TABLE_GUID in EFI_CONFIGURATION_TABLE

February, 2015

2.5

1186 AArch64BindingClarifications and errata

February, 2015

2.5

1183 New Protocol with 2 Function for PKCS7 Signature Verification Services

February, 2015

2.5

1174 errata - Error in EFI_IFR_PASSWORD logic flowchart

February, 2015

2.5

1167 Persistent Memory Type support

February, 2015

2.5

1166 hash 2 protocol errata

February, 2015

2.5

1163 InlineCryptographic Interface Protocol proposal

February, 2015

2.5

1159 Proposal for System Prep Applications

February, 2015

2.5

1158 errata -Boot managerClarification

February, 2015

2.5

1147–REDACT

February, 2015

2.5

1121 IPV6 support from UNDI

February, 2015

2.5

1109 SmartCard Reader

February, 2015

2.5

1103 Longer term NewCPER Memory Section

February, 2015

2.5

1091Clarification of handle to host FMP

February, 2015

2.5

1090 ESRT: EFI System Resource Table andComponent firmware updates

February, 2015

2.5

1071 New EFI_HASH2_PROTOCOL

February, 2015

2.4C

1308 Fix typo’s found in the final/published UEFI 2.4 ErrataB spec

January 2015

2.4C

1287 Errata: EFI Driver Supported EFI Version not matching the spec revision

January 2015

2.4C

1257Correct the typedef definitions for EFI_ _BOOT_SERVICES/EFI_RUNTIME_SERVICES

January 2015

2.4C

1244 sections of the spec misarranged

January 2015

2.4C

1211 EFI_LOAD_OPTION Definition

January 2015

2.4C

1209 Errata - UEFI networking APIChapter 2.6 requirements

January 2015

2.4C

1205 Errata for Hii Set item

January 2015

2.4C

1200 Universal Flash Storage (UFS) Device Path

January 2015

2.4C

1198 EFI_ ATA_PASS_THRU_PROTOCOLClarification

January 2015

2.4C

1194 Add EFI_IFR_FLAG_RECONNECT_REQUIRED

January 2015

2.4C

1192Cleanup GUID formatting issues

January 2015

2.4C

1186 AArch64BindingClarifications and errata

January 2015

2.4C

1185 errata - tcp api

January 2015

2.4C

1184 errata - snp modeClarification

January 2015

2.4C

1182 Errata - UEFI URI Device path issue

January 2015

2.4C

1174 errata - Error in EFI_IFR_PASSWORD logic flowchart

January 2015

2.4C

1173 EFI_IFR_NUMERIC Errata

July 11, 2014

2.4C

1172 EfiACPIMemoryNVS definition missing S4

July 11, 2014

2.4C

1170 Errata pxeBc apiClarifiation

July 11, 2014

2.4C

1169 Errata - volatile networking variableCleanup

July 11, 2014

2.4C

1168 MTFTP Errata

July 11, 2014

2.4C

1165 Option rom layout errata

July 11, 2014

2.4C

1162 Typo in ReinstallProtocolInterface() EFI 1.10 Extension section

July 11, 2014

2.4C

1150 Missing LineBreakCharacter (HII Errata)

July 11, 2014

2.4C

1147 EFI_USB2_H C_PROTOCOL.AsyncInterruptTransfer() Errata

July 11, 2014

2.4C

1141 UEFI errata - ia32/x64 vector register management

July 11, 2014

2.4C

1140UEFI Errata - image execution info table

July 11, 2014

2.4C

1139 UEFI Errata on the storage securityCommand protocol

July 11, 2014

2.4C

1066 Errata–reference to missing table (90) removed

July 11, 2014

2.4C

1043 Ability to refresh the entire form [newContent]

July 11, 2014

2.4C

1042 AddBrowser Action Request “reconnect”

July 11, 2014

2.4B

1146 Typos andBroken links

April 17, 2014

2.4B

1137 Typographic errors in the 2.4 ErrataB draft

April 16, 2014

2.4B

1128 URI device path node redux–supersedes (defunct) 1119

April 4, 2014

2.4B

1127 USB Errata - unnecessary restriction on UEFI interrupt transfer types

March 27, 2014

2.4B

1124 Adding text description for NVMe device node

March 27, 2014

2.4B

1122Correct misleading language in the UEFI 2.4a specification about the EFI_ADAPTER_INFORMATION_PROTOCOL.E FI_ADAPTER_INFO_GET_SUPPORTED_TYPES function

March 27, 2014

2.4B

1120 Make time stamp handlingConsistent around all of the networking API’s

March 27, 2014

2.4B

1118 Network Performance EnhancementsConcerning Volatile Variables

March 27, 2014

2.4B

1115Clarification on the usage of XMM/FPU instructions from within a UEFI Runtime Service on an x64 processor

March 27, 2014

2.4B

1111 Errors in DisconnectController() returnCode descriptions

March 27, 2014

2.4B

1101 Errata – ReinstallProtocolInterface

March 27, 2014

2.4B

1092Clarification to PCI Option ROM Driver Loading Description

March 27, 2014

2.4B

1085 Error–added in missing text approved for 2.4A

April 17, 2014

2.4B

1014 HIIConfig Access Protocol Errata

April 3, 2014

2.4 A

1089 Short-termCPER Memory Section errata

Nov. 14, 2013

2.4 A

1088 Add revision #define to EFI_FILE_PROTOCOL

Nov. 6, 2013

2.4 A

1085 Issues with Interactive password

Nov.14, 2013

2.4 A

1082 Mistake in 2.3.5.1 / 2.3.6.2 Handoff State

Nov. 6, 2013

2.4 A

1081 Update Install Table protocol to deal with duplicate tables

Nov. 6, 2013

2.4 A

1079 UEFI 2.4: Remove repetitive “the” (typo)

Nov. 6, 2013

2.4 A

1078 Adjust some text for handling EFI_BROWSER_ACTION_CHANGING

Nov. 6, 2013

2.4 A

1077 Fix wording in EVT_SIGNAL_EXIT_BOOT_SERVICES

Nov. 6, 2013

2.4 A

1076 typo in UEFI v2.3.1d and v2.4

Nov. 6, 2013

2.4 A

1075Clarifications to Table 88. Device Node Table (Device Node to TextConversion)

Nov. 6, 2013

2.4 A

1074 AddClarifications on DMA requirements for PCI_IO

Nov. 6, 2013

2.4 A

1073 Add requirement for EFI_USB_IO_PROTOCOL

Nov. 6, 2013

2.4 A

1066 Errata - ISCSI IPV6 Root PathClarification

Nov. 6, 2013

2.4 A

1064 AIP Errata

Nov. 6, 2013

2.4 A

1063Correction to GPT expression for SizeofPartitionEntry

Nov. 6, 2013

2.4 A

1062 EFI_CERT_X509_GUID does not specify theCertificate encoding

Nov. 6, 2013

2.4 A

1061 UEFI 2.4 section 2.6.2 and 2.6.3 don’t use protocol hyperlinksConsistently

Nov. 6, 2013

2.4 A

1060 SlightClarification to FMP Authentication Requirments

Nov. 6, 2013

2.4 A

1059Clarification of a return statusCode of HASH protocol

Nov. 6, 2013

2.4 A

1058Correct mistake in the system table revision

Nov. 6, 2013

2.4 A

1056 text modification to definition of EF I_FIRMWARE_IMAGE_DESCRIPTOR_VERSION 2

Nov. 6, 2013

2.4 A

1055 Disk IO 2 errata

Nov. 6, 2013

2.4 A

1054 Deprecate 6 Hash Algorithms with inconsistent usage

Nov. 6, 2013

2.4 A

1053 Reduce Name space ofCapsule Result variable to increase performance

Nov. 6, 2013

2.4 A

1035 PCI Option ROM Errata (five figures)

Nov. 6, 2013

2.4

997 Driver Health Protocol errorCodes

April 25, 2013

2.4

993 (original ticket–supersededBy 1026)

2.4

992 Adapter Information Protocol (AIP)

April 25, 2013

2.4

991 Greater than 256 NICs support on UNDI

April 25, 2013

2.4

968 HII Forms op-code for displaying a warning message

April 25, 2013

2.4

966 Spec typos

April 25, 2013

2.4

964 Disk IO 2 Protocol to support Async IO

April 25, 2013

2.4

963 Add new device path node NVM Express devices

April 25, 2013

2.4

956 Require network drivers to return EFI_NO_MEDIA

April 25, 2013

2.4

946 ForbidCreation of non-spec variables in EFI_GLOBAL_VARIABLE namespace

April 25, 2013

2.4

920 Add a variable for indicating out ofBand key modification

April 25, 2013

2.4

905 Need more granularity in EFI_RESET_TYPE to support platform specific resets

April 25, 2013

2.4

1052 UEFI 2.4 Draft April 25th -Corrections to ARM sections

May 16, 2013

2.4

1050 2.4 Draft April 25 has missing text for ECR 1009

May 16, 2013

2.4

1049 2.4 Draft April 25 has missing text for ECR 1008

May 16, 2013

2.4

1048Comment against UEFI 2.4 - NVMe related

May 16, 2013

2.4

1047Comment on Feb 25th draft - fix alignment issue

May 16, 2013

2.4

1045 PCI OpROM Device ListChanges to section 14.2

June 28, 2013

2.4

1044Corrections to Mantis 1015, Interruptible driver diagnostics

May 16, 2013

2.4

1037 Add 2.4 to the system table version

May 16, 2013

2.4

1036Comments on April 25 Draft

May 16, 2013

2.4

1033 HiiConfigAccess->ExtractConfig StatusCodes Errata

May 16, 2013

2.4

1032 HiiConfigRouting->ExtractConfig StatusCodes Errata

May 16, 2013

2.4

1031 NVMe subtypeConflict errata

April 25, 2013

2.4

1029 Method for delivery ofCapsule on disk; Method for reportingCapsule processing status

April 25, 2013

2.4

1026 (supersedes 993) Update to the AArch64 proposedBindingChange

April 25, 2013

2.4

1024Clarification to the NVMe Device Path text descriptions

April 25, 2013

2.4

1023 Definition ofCapsule format to deliver update image to firmware management protocol

April 25, 2013

2.4

1022 adapter information protocol for NIC iSCSI and FCoEBootCapabilities andCurrentBooot Mode.

April 25, 2013

2.4

1017 AIP Instance - FCOE SAN MAC Address

April 25, 2013

2.4

1016 AIP Instance - Image Update

April 25, 2013

2.4

1015 Interruptible driver diagnostics

April 25, 2013

2.4

1009 Enable hashes ofCertificates toBe used for revocation, and timestamp support

April 25, 2013

2.4

1008 New Random Number Generator / Entropy Protocol

April 25, 2013

2.4

1007Create a new Security Technologies section to avoidBlurring with SecureBoot

April 25, 2013

2.4

1002 Timestamp Protocol

April 25, 2013

2.3.1D

996 UEFI 2.0 version number still in the 2.3.1C spec

April 3, 2013

2.3.1D

995CSA linkChange

April 3, 2013

2.3.1D

994 Spec typos

April 3, 2013

2.3.1D

990 EFI_ATA_PASS_THRU need oneClarification if it supports ATAPI device

April 3, 2013

2.3.1D

989Clarify hot-remove responsibility of aBus Driver

April 3, 2013

2.3.1D

988 EFI_BLOCK_IO2_PROTOCOLBlocksChild from stopping while doing non-blocking I/O

April 3, 2013

2.3.1D

987 EFI_BLOCK_IO2_PROTOCOL has aCopy pasteBug describing the Token Parameter

April 3, 2013

2.3.1D

980 Errata on SNP Media detect

April 3, 2013

2.3.1D

978 Error Retun IndicatesCapsule requiresBoot Services

April 3, 2013

2.3.1D

977 missing statement

April 3, 2013

2.3.1D

976BrowserCallback text update to description

April 3, 2013

2.3.1D

975 UNDI errata to add missing memory type definitions

April 3, 2013

2.3.1D

974 UNDI IncorrectCPB function names ECR

April 3, 2013

2.3.1D

973 UNDI Mem_Map()Clarification

April 3, 2013

2.3.1D

972 ISCSI DHCP6Boot

April 3, 2013

2.3.1D

971 typo

April 3, 2013

2.3.1D

970 Typo section 28.3.8.3.41 EFI_IFR_MODAL_TAG

April 3, 2013

2.3.1D

965 File IO Async extenstion

April 3, 2013

2.3.1D

962 Remove 2.3 table revision number

April 3, 2013

2.3.1D

960 Typo in netboot6 description

April 3, 2013

2.3.1D

959 InstallAcpiTable() does not say what to do when an attempt is made to install a duplicate table

April 3, 2013

2.3.1D

955Clearing The Platform Key Errata

April 3, 2013

2.3.1D

954 LoadImage Errata

April 3, 2013

2.3.1D

953 Need text definitions for Device Path Media Type Subtype 6/7

April 3, 2013

2.3.1D

952Clarification of requirements to update timestamp associated with authenticated variable

April 3, 2013

2.3.1D

950 IndeterminateBehavior for attribute modifications mayCause security issues

April 3, 2013

2.3.1D

949 PCI IO.GetBarAttributes needs adjustment - - Address Space Granularity field

April 3, 2013

2.3.1D

944 Errata - Replace RFC reference

April 3, 2013

2.3.1D

943 Errata - Proposed updates to required interfaces inChapter 2.6

April 3, 2013

2.3.1D

942 ExportConfig() description does not make sense

April 3, 2013

2.3.1D

941 Add OEM StatusCode ranges to EFI StatusCode Ranges Table

April 3, 2013

2.3.1D

938 InstallMultipleProtocolInterface() is missing StatusCode Returned values

April 3, 2013

2.3.1D

935ClarifyChaining requirements with regards to the Platform Key

April 3, 2013

2.3.1D

934 Missing Figures and typos

April 3, 2013

2.3.1D

930Clarify usage of EFI Variable Varstores in HII

April 3, 2013

2.3.1D

928Best Matching Language algorithm

April 3, 2013

2.3.1D

926 UEFI Image VerificationClarification

April 3, 2013

2.3.1D

924 New ErrorCode to handle reporting of IPV4 duplicate address detection

April 3, 2013

2.3.1D

1021 ATA_PASS_THRU on ATAPI device handle.

April 3, 2013

2.3.1D

1020Clarify HII variable store definitions.

April 3, 2013

2.3.1D

1019 Alignment RequirementsClarification

April 3, 2013

2.3.1D

1018 HII Font Errata

April 3, 2013

2.3.1D

1013 HII Errata

April 3, 2013

2.3.1D

1012 Touchup to text of GPT

April 3, 2013

2.3.1D

1011 Typo regarding Debug Port in UEFI Spec

April 3, 2013

2.3.1D

1003 Missing “(” in section 11.7

April 3, 2013

2.3.1D

1000Clarification to the IFR_REF4 opcode

April 3, 2013

2.3.1C

921 Length of IPv6 Device Path is incorrect

June 13, 2012

2.3.1C

917 UNDI drive does not need toBe initialized as runtime driver

June 13, 2012

2.3.1C

915 For x64,Change Floating Point DefaultConfiguration to Double-Extended Precision

June 13, 2012

2.3.1C

914 Error Descriptor Reset FlagClarification

June 13, 2012

2.3.1C

913 Enum definition does not match what ourCurrentCompilers implement.

June 13, 2012

2.3.1C

912 UEFI 2.3.1 Type

June 13, 2012

2.3.1C

909 Update to returnCodes for AllocatePool / AllocatePages

June 13, 2012

2.3.1C

907 iSCSI Device Path error

June 13, 2012

2.3.1C

882 Indications Variable - OS/FW feature &CapabilityCommunication

June 13, 2012

2.3.1C

882 Indications Variable - OS/FW feature &CapabilityCommunication

June 13, 2012

2.3.1C

874 Provide a mechanism for providing keys in setup mode

June 13, 2012

2.3.1C

831 PXEBootCSA Type definitionCleanup

June 13, 2012

2.3.1B

896 StartImage andConnectController returnCodes

April 10, 2012

2.3.1B

893 SMMCommunication ACPI Table Update

April 10, 2012

2.3.1B

891Component Name Protocol References

April 10, 2012

2.3.1B

890 DriveConfiguration Protocol Phantom.

April 10, 2012

2.3.1B

888 typo in EFI_USB_HC Protocol

April 10, 2012

2.3.1B

887 union is declared twice in same section

April 10, 2012

2.3.1B

885 Errata in the GPT Table structureComment

April 10, 2012

2.3.1B

884 EFI_BOOT_KEY_DATA relies on implementation-definedBehavior

April 10, 2012

2.3.1B

881 netboot6 - multicast versus unicast

April 10, 2012

2.3.1B

880 netboot6Clarification/errata

April 10, 2012

2.3.1B

879 Reference to unsupported specification in SCSIChapter (14.1)

April 10, 2012

2.3.1B

878 Updated HII “Selected Form”Behaviors to Reflect NewCallback Results

April 10, 2012

2.3.1B

877 TableChecksum updateBy the A CPI_TABLE_PROTOCOL.InstallAcpiTable

April 10, 2012

2.3.1B

876 ToClarify EDID_OVERRIDE attribute definitions and expected operations

April 10, 2012

2.3.1B

873 Section 9.3.7 incorrectly assumes that all uses ofBBS device paths are non-UEFI

April 10, 2012

2.3.1B

872Change to SIMPLE_TEXT_INPUT_EX_PROTOCOL.Re gisterKeyNotify/UnregisterKeyNotify

April 10, 2012

2.3.1B

871 Typo in InstallMultipleProtocolInterfaces

April 10, 2012

2.3.1B

870Clarify FrameBufferSize definition under EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE struct

April 10, 2012

2.3.1B

869 Reference to FIPS 180 inChapter 27.3 is obsolete and incorrect

April 10, 2012

2.3.1B

867Clarify requirment for use of EFI_HASH_SERVICE_BINDING_PROTOCOL

April 10, 2012

2.3.1B

866 PK, KEK, db, dbx relationsClarification

April 10, 2012

2.3.1B

865 Modify Protective MBRBootIndicator definition

April 10, 2012

2.3.1B

864 Typo in Question-Level Validation section

April 10, 2012

2.3.1B

863 Attributes of the Globally Defined Variables

April 10, 2012

2.3.1B

862 User identity typo

April 10, 2012

2.3.1B

861 Globally Defined Variables Errata

April 10, 2012

2.3.1B

858 Superfluous and incorrect image hash description

April 10, 2012

2.3.1B

857 Absolute pointer typo

April 10, 2012

2.3.1B

855Clarification of UEFI driver signing/Code definitions

April 10, 2012

2.3.1B

853 The EFI_HASH_PROTOCOL.Hash() description needsClarification on padding responsibilities

April 10, 2012

2.3.1B

852 Various EFI_IFR_REFRESH_ID errata.

April 10, 2012

2.3.1B

851 For EFI_IFR_REFRESH opcode,Clarify RefreshInterval = 0 means no auto-refresh.

April 10, 2012

2.3.1B

850Clarification of responsibility for array allocation in EFI_HASH_PROTOCOL

April 10, 2012

2.3.1B

849 IFR EFI_IFR_MODAL_TAG_OP is also valid under EFI_IFR_FORM_MAP_OP

April 10, 2012

2.3.1B

848Clarification of semantics of SecureBoot variable

April 10, 2012

2.3.1B

847 When enrolling a PK, the platform shall not require a reboot to leave SetupMode

April 10, 2012

2.3.1B

845 EFI_SCSI_PASS_THRU_PROTOCOL replacement

April 10, 2012

2.3.1B

842 Text to explain how the UEFI revision is referred

April 10, 2012

2.3.1B

836 StructureComment for EFI_IFR_TYPE_VALUE references unknown value type.

April 10, 2012

2.3.1B

828 Network Driver Options

April 10, 2012

2.3.1B

826Comments against Mantis 790

April 10, 2012

2.3.1B

825 DMTF SMCLP errata

April 10, 2012

2.3.1B

819 Mantis 715 was not fully implemented

April 10, 2012

2.3.1B

812 Errata – DUID-UUID usage

April 10, 2012

2.3.1B

809 Errata – Messaging Device PathClarification

April 10, 2012

2.3.1B

808 Errata –Boot File URL

April 10, 2012

2.3.1B

807 Give specific TPL rules to Stall()Boot services

April 10, 2012

2.3.1B

771 SHA1 and MD5 references

April 10, 2012

2.3.1A

MinorCorrections in toes to tickets 772, 785, 794, 804, also formattingCorrection for _WIN_CERTIFICATE_UEFI_GUID typedef’s parameters

September 7, 2011

2.3.1A

820 Driver Health Needs to have Mantis 0000169 implemented

August 17, 2011

2.3.1A

819 ECR715 was not fully implemented

August 17, 2011

2.3.1A

806 Text update to Driver Health Description -Clarify role of user interaction

August 17, 2011

2.3.1A

805Correct Wrong Palette Information in 28.3.7.2.3 example

August 17, 2011

2.3.1A

804ClarifyContraints and alternatives when enrolling PK, KeK, db or dbx keys

August 17, 2011

2.3.1A

803 Fix AcpiExp device node text description.

August 17, 2011

2.3.1A

801ClarifyIFR Opcode Summary and Description #4

August 17, 2011

2.3.1A

800Clarify IFR Opcode Summary and Description #3

August 17, 2011

2.3.1A

797Clarify IFR Opcode Summary and Description #2

August 17, 2011

2.3.1A

796Clarify IFR Opcode Summary and Description #1

August 17, 2011

2.3.1A

795 Typo in ReadKeyStrokeEx()

August 17, 2011

2.3.1A

794 Incomplete text describingClearing of Platform Key

August 17, 2011

2.3.1A

793 Inconsistent wording about RemainingDevicePath

August 17, 2011

2.3.1A

790 Add warning to ReadKeyStrokeEx for partial key press

August 17, 2011

2.3.1A

789Clarify HII opcode definition

August 17, 2011

2.3.1A

788 SasEx entry in Table 86-Device Node TableContains optional Reserved entry that does not exist in device path

August 17, 2011

2.3.1A

786 PCI I/O Dual AddressCycle attributeClarification

August 17, 2011

2.3.1A

785 Allowing more general use of UEFI 2.3.1 Variable time-based authentication

August 17, 2011

2.3.1A

780 Errata in returnCode descriptions

August 17, 2011

2.3.1A

778 EFI_HI I_CONFIG_ACCESS_PROTOCOL.CallBack() Errata

August 17, 2011

2.3.1A

777 Specified signature sizes incorrect in Section 27.6.1

August 17, 2011

2.3.1A

776 Clarifycomputation of EFI_VARIABLE_ AUTHENTICATION_2 hash value

August 17, 2011

2.3.1A

774 Define EFI_BLOCK_IO_PROTOCOL_REVISION3

August 17, 2011

2.3.1A

773Clarify the value for opcode EFI_IFR_REFRESH_ID_OP

August 17, 2011

2.3.1A

772 Definition of EFI_IMAGE_SECURITY_DATABAE_GUID incorrect

August 17, 2011

2.3.1A

770 Remove references to UEFI 2.1 spec

August 17, 2011

2.3.1A

767 The ReadBlocks function forBlockIO andBlockIO2 need synchronization

August 17, 2011

2.3.1A

212 (revisit) final sentence section 28.2.15 missing final words.

April 21, 2011

2.3.1

765 ECR to limit the hash and encryption algorithms used with PKCSCertificates

April 5, 2011

2.3.1

762 DevicePath in the Image Execution Information Table.

April 5, 2011

2.3.1

761 Table 195. Information for Types of Storage

April 5, 2011

2.3.1

760 SuggestedChanges to 2.3.1 final draft spec

April 5, 2011

2.3.1

759 UEFI Errata - wincerts for rest of hash algorithms

April 5, 2011

2.3.1

755 Errata in Legacy MBR table and Legacy MBR GUID

April 5, 2011

2.3.1

754 USB timeout parameter mismatch.

April 5, 2011

2.3.1

751 Fix USB HC2 erroneous references to IsSlowDevice

March 11, 2011

2.3.1

750 Fix section 27.2.5 “related definitions” re: RSA public key exponent

March 11, 2011

2.3.1

749 Fix Table 10 (Global Variables) WithCorrect Attributes

March 11, 2011

2.3.1

748Clarify Standard GUID Text Representation

March 11, 2011

2.3.1

744 ProcessorContext information structure definition notClear

March 11, 2011

2.3.1

741 Errata:Corrected text for section 7.2.1.4 step 7

March 11, 2011

2.3.1

740 Errata: signatureheadersize inconsistencyCorrections

April 6, 2011

2.3.1

736 Insert SMMCommunication ACPI Table and related data structures to the UEFI Specification

April 5, 2011

2.3.1

735Clarification on Tape Header Format

March 11, 2011

2.3.1

734 SecureBoot variable

April 5, 2011

2.3.1

733 Errata: 27.6.1 signatureheadersize definition

March 11, 2011

2.3.1

732 Amendment to Mantis 711: section 7.2.1.6

March 11, 2011

2.3.1

729 Errata:Clarification of Microsoft references in appendix Q

March 11, 2011

2.3.1

728 Netboot 6 errata - DUID-UUID

March 11, 2011

2.3.1

727 Errata on returnCode for User Info Identity policy record

March 11, 2011

2.3.1

726 Errata/clean-up of EFI_DHCP4_TRANSMIT_RECEIVE_ TOKEN definition

March 11, 2011

2.3.1

724 SetVariable Update 2

March 11, 2011

2.3.1

723 User Identification (UID) Errata – EFI User Manager Notify & EnrollClarification

April 5, 2011

2.3.1

722 User Identification (UID) Errata –Credential Provider EnrollClarification

April 5, 2011

2.3.1

721 User Identification (UID) Errata – SetInfoClarification

March 11, 2011

2.3.1

720 User Identification (UID) Errata –Credential Provider EnrollClarification

March 11, 2011

2.3.1

716 EFI_EXT_SCSI_PASS_THRU_ PROTOCOL.GetNextTarget() IN OUT parameter Target input value shallBe 0xFFs

March 11, 2011

2.3.1

715CPER Record and section fieldClarification

March 11, 2011

2.3.1

713 Remove the errata revision from the EFI_IFR_VERSION format.

March 11, 2011

2.3.1

711 SetVariable Update

March 11, 2011

2.3.1

709 NewCallback() Action Requests Related To Individual Forms.

Feb. 3, 2011

2.3.1

708 Errata (non-blockingBLOCK IO)

April 5, 2011

2.3.1

707 Errata revision in the EFI_IFR_VERSION format

Feb. 3, 2011

2.3.1

705 REPC signature definition stillConfusing

Feb. 3, 2011

2.3.1

704 Unload() definition is wrong

Feb. 3, 2011

2.3.1

702Clarifications on Variable Storage for Questions

Feb. 3, 2011

2.3.1

696 Update System Table with this new #define for EFI_SYSTEM_TABLE_REVISION

Feb. 3, 2011

2.3.1

695 Add Port Ownership probing

Feb. 3, 2011

2.3.1

687 Update System Table with this new #define for 2.3.1

Jan. 17, 2011

2.3.1

686 HII -Clarify FormsBrowser ‘standard’ user interfactions.

Feb. 3, 2011

2.3.1

685 HII - New op-code to enable event initiated refresh ofBrowserContext data

Feb. 3, 2011

2.3.1

682 [UCST] Modal Form

Feb. 3, 2011

2.3.1

681 Typo: Pg. 56

Jan. 17, 2011

2.3.1

680 Netboot6 handleClarification

Jan. 17, 2011

2.3.1

679 UEFI Authenticated Variable & Signature Database Updates

Jan. 17, 2011

2.3.1

678 Section 27.6.2: Imagehash reference needs toBe removed

Jan. 17, 2011

2.3.1

677 Section 27.2.5 & 27.6.1: Typo in X509 Signature Type

Jan. 17, 2011

2.3.1

674 Section 3.2: Missing variable type for SetupMode variable

Jan. 17, 2011

2.3.1

671 Errata: USB device path example is incorrect

Jan. 17, 2011

2.3.1

668 LUN implementations are notConsistent

Feb. 3, 2011

2.3.1

661 USB 3.0 Updates

Oct. 29, 2010

2.3.1

645 Non-blocking interface forBLOCK oriented devices (BLOCK_IO_EX transition toBLOCK_IO_2)

Oct. 29, 2010

2.3.1

634 FormsBrowser DefaultBehavior

Jan. 17, 2011

2.3.1

634 FormsBrowser DefaultBehavior

Oct. 29, 2010

2.3.1

616 Security ProtocolCommand to support encrypted HDD

Jan. 17, 2011

2.3.1

616 Security ProtocolCommand to support encrypted HDD

Oct. 29, 2010

2.3.1

612 UEFI system Partition FAT32 data Region Alignment

Oct. 29, 2010

2.3.1

484 Key Management Service Protocol

Oct. 28, 2010

2.3.1

484 Key Management Service (KMS) Protocol

Oct. 29, 2010

2.3.1

478 (REVISIT) Update to ALTCFG references

March 11, 2011

2.3 D

667Clarification to the UEFIConfiguration Table definition

Oct. 28, 2010

2.3 D

664 Appendix update for IPV6 networkBoot

Oct. 28, 2010

2.3 D

663 Update ARM PlatformBinding to allow OS loader to assume unaligned access support is enabled

Nov. 10, 2010

2.3 D

662 ARM ABI errata

Oct. 28, 2010

2.3 D

659Clarify section length definition in the error record

Oct. 28, 2010

2.3 D

653 Errata to the Appendix N (Common Platform Error Record)

Oct. 28, 2010

2.3 D

652Clarification to the TimeZone value usage

Oct. 28, 2010

2.3 D

651 update to IPSec for tunnel mode support

Oct. 28, 2010

2.3 D

650 networking support errata

Oct. 28, 2010

2.3 D

638 Add facility for dynamic IFR dynamicCross-references

Oct. 28, 2010

2.3 D

538 IPV6 PXE

Oct. 28, 2010

2.3C

640 String ReferenceCleanup

July 14, 2010

2.3C

639Callback() does not describe FORM_OPEN/FORM_CLOSEBehavior

July 14, 2010

2.3C

637Clarification for Date/Time Question usage in IFR expressions.

July 14, 2010

2.3C

636 Mistaken Reference to “Date” inside ofBoolean question description

July 14, 2010

2.3C

635 Missing GUID label forConfig Access protocol

July 14, 2010

2.3C

633 Explicitly Specify ACPI Table Signature Format

July 14, 2010

2.3C

632ClarifyBlock IO ReadBlocks and WriteBlocks functions handling of media stateChange events

July 14, 2010

2.3C

625 Minor typo in surrogateCharacter description section

July 14, 2010

2.3C

622 Identify() function errata

July 14, 2010

2.3C

621 Typos in an EFI_HII_CONFIG_ACCESS_ PROTOCOL.Callback() member

July 14, 2010

2.3C

620Carification of need for Path MTU support for IPV4 and IPV6

July 14, 2010

2.3C

613 PAUSE Key

July 14, 2010

2.3C

611 LanguageCorrection requested for InstallProtocolInterface() and InstallConfigurationTable(), Ref# 583

July 14, 2010

2.3C

610 RSA data structureClarification

July 14, 2010

2.3C

609 StartImage returnCode update

July 14, 2010

2.3C

583 How do we know an EFI_HANDLE is Valid/Invalid

July 14, 2010

2.3C

508 Update networking references, incl ipv6

July 14, 2010

2.3B

608 more media detectClean-up

Feb. 24, 2010

2.3B

605Clarify user identity Find API

Feb. 24, 2010

2.3B

601 UNDI update as part of media detectChanges

Feb. 24, 2010

2.3B

600 Update toConfigAccess/ConfigRouting

Feb. 24, 2010

2.3B

598 ARP is only an IPV4Concept.

Feb. 24, 2010

2.3B

590 Media detectClean-up

Feb. 24, 2010

2.3B

589 Device path representation of IPv4/v6 text

Feb. 24, 2010

2.3B

588 UEFI User Identity - ReturnCodes

Feb. 24, 2010

2.3B

587 UEFI User Identity - NamingConsistency

Feb. 24, 2010

2.3B

586Clarification of PXE2.1 specification for IPV4 interoperability issues

Feb. 24, 2010

2.3B

585 Errata to EFI_IFR_SET op-code

Feb. 24, 2010

2.3B

584 EFI_PXE_BASE_CODE_DHCPV6_PACKET missing for pxeBc protocol

Feb. 24, 2010

2.3B

583 How do we know an EFI_HANDLE is Valid/Invalid

Feb. 24, 2010

2.3B

580 ACPI_SUPPORT_PROTOCOLClarifications related to FADT and the DSDT/FACS

Dec. 15, 2009

2.3B

578 ATA Passthrough updates / questions

Dec. 15, 2009

2.3B

577Clarifications on the user identity protocol

Dec. 15, 2009

2.3B

576Clarifications in the Routing Protocol

Dec. 15, 2009

2.3B

575 Machine hand-off/MP state modification

Feb. 24, 2010

2.3B

574 Add an “OPTIONAL” tag to a parameter in NewPackageList

Dec. 15, 2009

2.3B

573 EFI_DESCRIPTION_STRING and EFI_DESCRIPTION_BUNDLE adjustments

Feb. 24, 2010

2.3B

572 EFI_IFR_SECURITY shouldBe EFI_IFR_SECURITY_OP in Table 194

Dec. 15, 2009

2.3B

568 ATA_STATUS_BLOCK name errata

Dec. 15, 2009

2.3B

567 Various miscellaneous typos/updates

Feb. 24, 2010

2.3B

566 Minor update to HII->NewString function description

Dec. 15, 2009

2.3B

560Correct erroneous example in ExtractConfig()

Dec. 15, 2009

2.3B

559 Extraneous “default” tag in EFI_IFR_SECUITY grammar

Dec. 15, 2009

2.3B

558Clarify VLANConfig publication requirements

Dec. 15, 2009

2.3B

557Corrected Image Execution Information omission & ambiguity

Dec. 15, 2009

2.3B

556 additional IPSec errata/issues

Dec. 15, 2009

2.3B

549Binary prefixChange

Dec. 15, 2009

2.3B

547Clean-Up In HII Sections

Dec. 15, 2009

2.3B

546 typo in GOP definiton

Dec. 15, 2009

2.3B

545 Action parameter of the EFI_HI I_CONFIG_ACCESS_PROTOCOL.CallBack()

Dec. 15, 2009

2.3B

542 Device Path DescriptionChanges

Dec. 15, 2009

2.3B

540 Register name usage

Dec. 15, 2009

2.3B

539CHAP node fix for iSCSI

Dec. 15, 2009

2.3B

537 Add missing ACPI ADR Device Path Representation

Dec. 15, 2009

2.3B

536 IPSec errata

Dec. 15, 2009

2.3B

534 Size of Partition Entry restriction

Dec. 15, 2009

2.3B

533 GPT editorialCleanup

Dec. 15, 2009

2.3B

532 “LegacyBIOSBootable” GPT attribute

Dec. 15, 2009

2.3B

531Clarify HII Variable Storage

Dec. 15, 2009

2.3B

519 AddConsole table (chapt 11) for EFI_SIMPLE_TEXST_INPUT_EX_PROTOCOL

Dec. 15, 2009

2.3B

518 Typos in the UEFI2.3 specification

Feb. 24, 2010

2.3B

515 Authenticated VariablesClarification

Feb. 24, 2010

2.3B

514 HIIConfiguration String SyntaxClarification

Feb. 24, 2010

2.3B

507Clarify ACPI Protocol’s position onChecksums

Dec. 15, 2009

2.3B

479 TPM guideline added to section 2.6.2

Dec. 15, 2009

2.3B

476 Text adjustment toConfigAccess &ConfigRouting

Dec. 15, 2009

2.3B

460 Section 2.6 languageChange

Dec. 15, 2009

2.3B

454 Dynamic support of media dectection - network stack

Dec. 15, 2009

2.3B

431 UEFI 2.3 Feb Draft: Section 30.4

Feb. 24, 2010

2.3B

301 Errata to the Authentication Protocol

Dec. 15, 2009

2.3B

215 previously added to Device Driver (wrong), nowBusDriver (correct)

Dec. 15, 2009

2.3A

522Bugs in EFI_CERT_BLOCK_RSA_2048_SHA256, ISCSI device path,CHAP device path

Sept 15, 2009

2.3A

518 typos

Sept 15, 2009

2.3A

517 IP stack related protocol update

Sept 15, 2009

2.3A

516 User Identity ProtocolBugs

Sept 15, 2009

2.3A

513 add support for gateways in ipv4 & ipv6 device path nodes

Sept 15, 2009

2.3A

506 TCP6/MTFTP6 StatusCode Definition

Sept 15, 2009

2.3A

505 TCP4/MTFTP4 statusCodes

Sept 15, 2009

2.3A

490Correction 28.2.5.6, Table 185. Information for Types of Storage

Sept 15, 2009

2.3A

478 Update to ALTCFG references

Sept 15, 2009

2.3A

477 Text adjustment toConfigAccess/ConfigRouting

Sept 15, 2009

2.3

463 Update EFI_IP6_PROTOCOL.Neighbors() API

May 7, 2009

2.3

462 ExitBootServices timers deavtivation

May 7, 2009

2.3

461IP4 Mode Data definition update

May 7, 2009

2.3

460Chapter 2.6 language update

May 7, 2009

2.3

457Change KeyData.PackedValue to 0x40000200, page 63.

May 7, 2009

2.3

456 How to handle PXEBoot w/o NII Section 21.3

May 7, 2009

2.3

454 Dynamic support of media detection - network stack

May 7, 2009

2.3

453 Errata to support dynamic media detection - UNDI

May 7, 2009

2.3

452 Support to dynamically detect media errata - SNP

May 7, 2009

2.3

450 Missing opcode headers and formatting, section 28.3.8.3.x.

May 7, 2009

2.3

449 Add missing EFI_IFR_GET, EFI_IFR_SET and EFI_IFR_MAP to the syntax.Section 28.2.5.7.

May 7, 2009

2.3

448 Section 28.2.5.4 Questions, Syntax, Update question-option-tag; Add EFI_IFR_READ and EFI_IFR_WRITE in the question syntax.

May 7, 2009

2.3

447Section 28.2.5.11.2 Moving Forms, Update line that starts with EFI_IFR_FORM to: EFI_IFR_FORM or EFI_IFR_FORM_MAP (and all references in EFI_IFR_REF)

May 7, 2009

2.3

446 Section 28.2.5.2 Forms, Syntax,Change 3rd line to: form := EFI_IFR_FORM form-tag-list | EFI_IFR_FORM_MAP form-tag-list

May 7, 2009

2.3

445 Table 194: EFI_IFR_FORM_MAP_OP, 2ndColumn shouldBe 0x5d (not 05xd)

May 7, 2009

2.3

444 Form Set Syntax: Section 28.2.5.1.1, section shouldBe subheading, not heading level 5; Section 28.2.5.1, Syntax, line 3, text after := is not aligned with other text on line 2, 4

May 7, 2009

2.3

443 Section 28.3.8.3.38, EFI_IFR_MAP, Prototype, line 4, outdent 2 spaces.

May 7, 2009

2.3

442 Section 28.3.8.3.64, EFI_IFR_SET, Prototype, lines 3-8, indentBy 2 spaces

May 7, 2009

2.3

440Change the defined type of EFI_STATUs from INTN to UINTN

May 7, 2009

2.3

439 Incorrect definitions of UEFI_CONFIG_LANG and UEFI_CONFIG_LANG_2 in UEFI 2.3 Feb18 draft

Feb 25, 2009

2.3

438 UEFI 2.3 Feb 13 Draft:Chapter 28 Formatting Issues

Feb 18, 2009

2.3

437 Errata to 2.3 draft material from UEFI Spec 2_3_Draft_Jan29

Feb 18, 2009

2.3

436 UEFI 2.3 split Figure 88 into 3 figures

Feb. 12, 2009

2.3

435 Partition SignatureClarification

Feb. 12, 2009

2.3

434 UEFI 2.3 Feb Draft: 28.3.8.3.58

Feb. 12, 2009

2.3

432 UEFI 2.3 Feb Draft: Appendix M.

Feb. 12, 2009

2.3

431 UEFI 2.3 Feb Draft: Section 30.4

Feb. 12, 2009

2.3

418Change Appendix O from “UEFI ACPI Table” to “UEFI ACPI Data

Feb 18, 2009

2.3

413Correct the definition of UEFI_CONFIG_LANG

Feb 18, 2009

2.3

410 UNDIBuffer usage

Feb 18, 2009

2.3

408 ARMBindingCorrections

Feb. 12, 2009

2.3

406 Missing EFI System Table Revision In UEFI 2.3 Draft

Feb. 12, 2009

2.3

395 New “Non-removable MediaBootBehavior” section

Feb. 12, 2009

2.3

394 Omission in EFI_USB2_HC_PROTOCOL

Feb. 12, 2009

2.3

388 Add HIICallback types (FORM_OPEN, FORM_CLOSE) when a form is opened orClosed.

Feb. 12, 2009

2.3

376 Add ARM processorBinding to UEFI

Jan. 12, 2009

2.3

326 Add Firmware Management Protocol

Feb. 12, 2009

2.2A

429 EFI_HASH_SERVICE_BINDING_PROTOCOL GUID define misses _GUID

Feb. 12, 2009

2.2A

404 RemoveConstraint form EFI_TIME.YearComment

Feb. 12, 2009

2.2A

400 FreePool() description error

Feb. 12, 2009

2.2A

393 UEFI 2.1/2.2Boot ManagerBehaviorClarification

Feb. 12, 2009

2.2A

392 MBR errata in UEFI 2.2

Feb. 12, 2009

2.2A

391 Polarity of INCONSISTENT_IF and NO_SUBMIT_IF IFR opcodes wrong

Feb. 12, 2009

2.2A

390 UEFI 2.2 Miscellaneous HII-related errata

Feb. 12, 2009

2.2A

389 UEFI 2.2 HII-Related Formatting Issues

Feb. 12, 2009

2.2A

387 UEFI 2.1/UEFI 2.2A (ch. 12)

Feb. 12, 2009

2.2A

384 Fix HII package description omission.

Feb. 12, 2009

2.2A

379 UEFI 2.1/UEFI 2.2 HII-Related Errata

Feb. 12, 2009

2.2A

378 UEFI 2.1 & UEFI 2.2 HIICallbackClarifications

Feb. 12, 2009

2.2A

377 MissingBLTBuffer figure.

Feb. 12, 2009

2.2A

375 Extra periods errata in UEFI 2.2

Feb. 12, 2009

2.2A

374 UEFI 2.1 & UEFI 2.2A (10.7-10.10)

Feb. 12, 2009

2.2A

373 UEFI 2.2,Chs. 9.5 & 9.6.2 & 9.6.3 (Device Path) Errata

Feb. 12, 2009

2.2A

372 UEFI 2.2 remove “Draft for Review”

Feb. 12, 2009

2.2A

371 UEFI 2.1 & UEFI 2.2 Typos (ch. 10)

Feb. 12, 2009

2.2A

370 EFI_SYSTEM_TABLE Errata (UEFI 2.1/UEFI 2.2)

Feb. 12, 2009

2.2A

368 EFI_FONT_DISPLAY_INFO.FontInfo description incorrect

Feb. 12, 2009

2.2A

366 UEFI 2.x: Erroneous references to EFI_BOOT_SERVICES_TABLE, EFI_RUNTIME_SERVICES_TABLE

Feb. 12, 2009

2.2A

364 UEFI 2.2 Typos & Formatting Issues (ch. 9)

Feb. 12, 2009

2.2A

362 UEFI 2.2 Typos (Next)

Feb. 12, 2009

2.2A

361 UEFI 2.2 Typos & Formatting Issues

Feb. 12, 2009

2.2A

359 TPL Table

Feb. 12, 2009

2.2A

358 Missing signature for UEFI 2.2.

Feb. 12, 2009

2.2

398 Update to M348 to fix small typo

Jan. 11, 2009

2.2

397 PCICopyMem() misspelling

Jan. 11, 2009

2.2

394 Omission in EFI_USB2_HC_PROTOCOL

Jan. 11, 2009

2.2

357Clarify EFI_IFR_DISABLE_IFBehavior with regard to dynamic values

Jan. 11, 2009

2.2

351 Fix an unaligned field in a device path

Jan. 11, 2009

2.2

350 EFI_HII_STRING_PROTOCOL Typos

Jan. 11, 2009

2.2

348 EFI_IFR_RESET_BUTTON is incorrectly listed as a question

Jan. 11, 2009

2.2

347 Replace first paragraph of the “Description” section for the ExitBootServices()

Sept. 25, 2008

2.2

346 Nest, Sections 10.11 & 10.12 Under 10.10

Sept. 25, 2008

2.2

344Correct missing statusCodes returned section for Form() in EFI_USER_CREDENTIAL_PROTOCOL.

Sept. 25, 2008

2.2

343Correct missing parameter for User() function in EFI_USER_CREDENTIAL_PROTOCOL

Sept. 25, 2008

2.2

340 UEFI 2.2 Editorial / Formatting Issues

Sept. 25, 2008

2.2

339 Update missing TPL restrictions

Sept. 25, 2008

2.2

337 Replace the EFI_CRYPT_HANDLE reference (in the IPSsec API)with a self-contained, independent definition.

Sept. 25, 2008

2.2

335 User Authentication errata

Sept. 25, 2008

2.2

334 Standardized “Unicode” References

Jan. 11, 2009

2.2

333Correct the incorrect ‘;’ at the end of EFI_GUID #defines

Sept. 25, 2008

2.2

332Correct SendForm description Type, PackageGuid and FormsetGuid parameters

Sept. 25, 2008

2.2

331 Definition for EFI_BROWSER_ACTION and the related #defines were not present–Insert.

Sept. 25, 2008

2.2

330 EFI_IFR_REF:ChangeCross reference to a question

Sept. 25, 2008

2.2

327Clarify the support in DHCP4 protocol for “Inform” (DHCPINFORM) messages.

Sept. 25, 2008

2.2

325 MinorCorrection 28.3.8.3.20

July 25, 2008

2.2

324 ATA Pass-Thru ECR Update

July 25, 2008

2.2

323 VLAN modificationBecause of IPV6

July 25, 2008

2.2

322Chapter 2 updates for IP6 net stack

July 25, 2008

2.2

321Enable PCIe 2.0 andBeyond support in the UEFI error records

July 25, 2008

2.2

320Clarifcation for WIN_CERTIFICATE types & relationship with signature database types

July 25, 2008

2.2

319 UEFI IPSec protocol

July 25, 2008

2.2

315 EFI TCP6 Protocol

July 25, 2008

2.2

314 EFI MTFTP6 Protocol

July 25, 2008

2.2

313 EFI IPv6Configuration Protocol

July 25, 2008

2.2

312 EFI IPv6 Protocol

July 25, 2008

2.2

311EFI DHCPv6 Protocol

July 25, 2008

2.2

310 EFI UDPv6 Protocol

July 25, 2008

2.2

309 IPv6 Address display formatClarification

July 25, 2008

2.2

306 Some errata to the animation support

July 25, 2008

2.2

304 Errata to UpdateCapsule()

July 25, 2008

2.2

303 Add ability to have aCapsule that initiates a reset & doesn’t return to theCaller

July 25, 2008

2.2

301 Errata to the Authentication Protocol

July 25, 2008

2.2

300 MTFTP errata

July 25, 2008

2.2

299 PIWG Firmware File/Firmware Volume Typo Errata

July 25, 2008

2.2

294 LocateDevicePath with multi-instance device path

July 25, 2008

2.2

291 HII Errata / Update

July 25, 2008

2.2

288 Additional wording fixes for GPT Entry AttributeBit 1

July 25, 2008

2.2

282 Updated Requirements Section For ATA Pass Through (M242)

July 25, 2008

2.2

279 Firmware/OS Trusted Key Exchange and Image Validation

July 25, 2008

2.2

242 UEFI ATA Pass-Through Protocol

July 25, 2008

2.2

237 UEFI User Identification Proposal (from USST)

July 25, 2008

2.2

215 new Start() RemainingDevicePath Syntax

July 25, 2008

2.2

212 UEFI HII Standards Mapping

July 25, 2008

2.2

211UEFI Setup Question / Form Access Update

July 25, 2008

2.2

210 UEFI HII Animation addition

July 25, 2008

2.2

202 EAP Management

July 25, 2008

2.2

201EAP

July 25, 2008

2.2

200 VLAN

July 25, 2008

2.2

199 FTP API

July 25, 2008

2.2

198 GUID Partition Entry AttributesClarification and Definition

July 25, 2008

2.2

169 EFI Driver Health Protocol

July 25, 2008

2.2

157 Floating-Point ABIChanges For X86, X64 & Itanium

July 25, 2008

2.1C

Re-format Revision History fromBulleted lists to one row per Mantis ticket/ EngineeringChange Request

June 5, 2008

2.1C

60 iSCSI Device Path Update

June 5, 2008

2.1C

59 Add returnCode to Diagnostics Protocol

June 5, 2008

2.1C

58 Language update for EfiReservedMemory type usage

June 5, 2008

2.1C

57Clarify text for Extended SCSI Pass Thru Protocol.GetNextTargetLun()

June 5, 2008

2.1C

56Clarification on ResetSystem

June 5, 2008

2.1C

55Clarification on UpdateCapsule

June 5, 2008

2.1C

54 ACPI Table Protocol GUID Update

June 5, 2008

2.1C

52 New GUID for Driver Diagnostics and DriverConfiguration Protocols with new GUID

June 5, 2008

2.1C

283 Minor update toClarify a typedef/returnCode in HII

June 5, 2008

2.1C

281 Runtime memory allocation

June 5, 2008

2.1C

280 Some minor errata to keyboard related topics

June 5, 2008

2.1C

278Change references to EFI_SIMPLE_INPUT_PROTOCOL into EFI_SIMPLE_TEXT_INPUT_PROTOCOL

June 5, 2008

2.1C

266 PKCS11.5 structure does notCorrectly specify the portion of theCited RFC that pertains to theCertificate struct/algorithm

June 5, 2008

2.1C

249 Latest update to UCST Errata list

June 5, 2008

2.1C

248Correction to text inChapter 8.2 of UEFI 2.1B

June 5, 2008

2.1C

246 New returnCode

June 5, 2008

2.1C

245 Remove extraneous text inChapter 29

June 5, 2008

2.1C

244 Replace references to EFI_FIRMWARE_VOLUME_INFO_ PPI with EFI_PEI_FIRMWARE_VOLUME_INFO_PPI

June 5, 2008

2.1C

221ImageBlock Structure name typos in 27.3.7.2

June 5, 2008

2.1C

220 Replace references to RFC 3066 to RFC 4646

June 5, 2008

2.1C

219 IA-32 and x64 stack need toBe 16-byte aligned

June 5, 2008

2.1C

218 SATA update to section 9.3.5.6

June 5, 2008

2.1C

217 EFI_PLATFORM_TO_DR IVER_CONFIGURATION_PROTOCOL.Query() Update

June 5, 2008

2.1C

216 UEFI 2.1 textCorrections

June 5, 2008

2.1C

214 Device_IO + typos

June 5, 2008

2.1C

213 UEFI HII Errata

June 5, 2008

2.1C

209 ESP number/locationClarifications

June 5, 2008

2.1C

208 Driver Protocol Names and GUIDs

June 5, 2008

2.1C

207 Updated Wording for the File Path

June 5, 2008

2.1C

206Clarify return values for extended scsi passthru protocol

June 5, 2008

2.1C

203 Platform Error Record - x64 register state errata

June 5, 2008

2.1C

193 Loaded Image device paths for EFI Drivers loaded from PCI Option ROMs

June 5, 2008

2.1C

189 Graphics Output ProtocolClarification

June 5, 2008

2.1B

51 Long physicalBlocks updates

December 11, 2007

2.1B

205Change LoadImage() parameter name from FilePath to DevicePath; endsConfusion with EFI_LOADED_IMAGE_PROTOCOL

December 11, 2007

2.1B

197 EFI Loaded Image Device Path Protocol

December 11, 2007

2.1B

190 Extensive errata form UCST including OPCodesChanges ro resolveConflicts.

December 11, 2007

2.1B

187Clarify input protocols.

December 11, 2007

2.1B

186Change PCIR struct to match PCI FW Spec 3.0

December 11, 2007

2.1B

185Change EFI term to UEFI forConsistency

December 11, 2007

2.1B

184 SNIA/DDF Wording Update

December 11, 2007

2.1B

182Clarify EFI_MTFTP4_TOKEN

December 11, 2007

2.1B

181Correct MNP GUIDCollision

December 11, 2007

2.1B

177 remove ending paragraph (editing text) in section 9.6

December 11, 2007

2.1B

175 Update to SendForm API

December 11, 2007

2.1B

174 Error record addition for dma remapping units

December 11, 2007

2.1B

173 MinorChanges to the description of two of the fields in theCommon Platform Error Record, in Appendix N

December 11, 2007

2.1B

172 Typo for ResetSystem()

December 11, 2007

2.1B

170 (Addition of) Driver Family Override Protocol

December 11, 2007

2.1B

168 Remove LOAD_OPTION_GRAPHICS

December 11, 2007

2.1B

165 Fix EFI_GRAPHICS_OUTPUT_PIXEL

December 11, 2007

2.1B

164 Update to USB2_HC_PROTOCOL Table

December 11, 2007

2.1B

162 UEFI PIWG Device Path Errata

December 11, 2007

2.1B

160Clean up references to PCIR

December 11, 2007

2.1B

158 Errata to the UEFI 2.1Configuration sections

December 11, 2007

2.1B

156 SendForm API Errata

December 11, 2007

2.1B

159 Adjust some of the #define names in the Simple Text Input Ex protocol

December 11, 2007

2.1A

UEFI 2.1 incorporating Errata through 4-27-07

April 27, 2007

2.1

Second release

January 23, 2007

2.0

First release of specification.

January 31, 2006