Upcoming release - coreboot 4.21

The 4.21 release is planned for mid-August, 2023

Update this document with changes that should be in the release notes.

• Please use Markdown.
• See the past few release notes for the general format.
• The chip and board additions and removals will be updated right before the release, so those do not need to be added.
• Note that all changes before the release are done are marked upcoming. A final version of the notes are done after the release.

Significant or interesting changes

Add changes that need a full description here

• This section should have full descriptions and can or should have a link to the referenced commits.

Toolchain updates

• Upgrade IASL from 20221020 to 20230331
• Upgrade LLVM from 15.0.7 to 16.0.4

Additional coreboot changes

The following are changes across a number of patches, or changes worth noting, but not needing a full description.

• Changes that only need a line or two of description go here.

Platform Updates

• To be filled in immediately before the release by the release team

Plans to move platform support to a branch

• Seciton to be filled in or removed after discussion

Statistics from the 4.20 to the 4.21 release

• To be filled in immediately before the release by the release team

Significant Known and Open Issues

• To be filled in immediately before the release by the release team