Hi TF-A Community,

We are pleased to announce the formal release of Trusted Firmware-A version 2.7, Trusted Firmware-A Tests version 2.7 , Hafnium version 2.7 and TF-A OpenCI Scripts 2.7 Releases now involve the tagging of multiple sub repositories.

These went live on 1st June 2022.

Notable Features of the Version 2.7 Release across all repositories include:

* Poseidon CPU Library * Branch Record Buffer Extension (FEAT_BRBE) for Non-secure World support (Armv9.2) * Statistical Profiling Extension (FEAT_SPEV1P2) support (Armv8.7) * WFE and WFI instructions with Timeout (FEAT_WFxT) support (Armv8.7) * Alternate Floating-Point (FEAT_AFP) support (Armv8.7) * Extended Cache Index (FEAT_CCIDX) support (Armv8.3) * Twenty-Five Errata Mitigations covering Cortex-A710, A510, A78, X2 * Spectre Branch History Buffer (BHB) mitigations * New Architectural Features Detection Mechanism (Experimental Feature) * System Memory Management Unit (SMMU) Granule Protection Checks (GPC) for Secure and Non-secure World transactions * Measured Boot Driver improvements * Threat Model Documentation updates * Hafnium Firmware Framework for Arm A-profile (FF-A) v1.1 continued support * Hafnium Memory Tagging Extension (MTE) stack tagging support * FF-A Secure Partition Manager (SPM) operating at EL3 added (Experimental Feature) * Eight (8) new platforms added * Thirty-Eight (38) platforms updated

Please refer to the TF-A [1], Hafnium [2] and TF-A Tests [3] changelogs for the complete summary of changes the previous release.

TF-A [4], TF-A Test [5], Hafnium [6] and TF-A OpenCI Scripts [7] repositories are available.

[1] https://trustedfirmware-a.readthedocs.io/en/latest/change-log.html#version-2...https://trustedfirmware-a.readthedocs.io/en/latest/change-log.html#version-2-7

[2] https://review.trustedfirmware.org/plugins/gitiles/hafnium/hafnium/+/HEAD/do...https://review.trustedfirmware.org/plugins/gitiles/hafnium/hafnium/+/HEAD/docs/ChangeLog.md#v2_7

[3] Change Log & Release Notes — Trusted Firmware-A Tests documentation (trustedfirmware-a-tests.readthedocs.io)https://trustedfirmware-a-tests.readthedocs.io/en/latest/change-log.html#

[4] https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/tag/?h=v2.7

[5] https://git.trustedfirmware.org/TF-A/tf-a-tests.git/tag/?h=v2.7

[6] https://git.trustedfirmware.org/hafnium/hafnium.git/tag/?h=v2.7

[7] https://git.trustedfirmware.org/ci/tf-a-ci-scripts.git/tag/?h=v2.7 https://git.trustedfirmware.org/ci/tf-a-ci-scripts.git/tag/?h=v2.7

Thanks, and best regards,

Daniel Boulby