Change:
key of the resolution node and the ephemeral public key transmitted in the message. <del> 7.6. </del> <ins> 7.7. </ins> Group keys are derived using the HKDF-Extract and HKDF-Expand functions as defined in RFC5869, as well as the functions defined

Discussion:
The is no longer needed, since CIKs are referenced by hash. ProposalIDs were no longer usable to refer to proposals since we enabled multiple proposals per MLSPlaintext The syntax description for Welcome was invalid
Merge with master obsoleted some changes. I re-implemented the "supportedversion"->"version" change, and added a "keyid" extension to address Benjamin's comment.
Here's the Weekly Digest for : - - Last week 4 issues were created. Of these, 0 issues have been closed and 4 issues are still open. :greenheart: , by :greenheart: , by :greenheart: , by :greenheart: , by - - Last week, 14 pull requests were created, updated or merged. Last week, 8 pull requests were updated. :yellowheart: , by :yellowheart: , by :yellowheart: , by :yellowheart: , by :yellowheart: , by :yellowheart: , by :yellowheart: , by :yellowheart: , by Last week, 6 pull requests were merged. :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by - - Last week there were 10 commits. :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by - - Last week there were 3 contributors. :bustinsilhouette: :bustinsilhouette: :bustinsilhouette: - - Last week there were no stargazers. - - Last week there were no releases. - - That's all for last week, please :eyes: Watch and :star: Star the repository to receive next weekly updates. :smiley: You can also .
Here's the Weekly Digest for : - - Last week 9 issues were created. Of these, 6 issues have been closed and 3 issues are still open.

:greenheart: , by :greenheart: , by :greenheart: , by :heart: , by :heart: , by :heart: , by :heart: , by :heart: , by :heart: , by :speaker: , by It received 2 comments. - - Last week, 13 pull requests were created, updated or merged. Last week, 3 pull requests were updated. :yellowheart: , by :yellowheart: , by :yellowheart: , by Last week, 10 pull requests were merged. :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by :purpleheart: , by - - Last week there were 38 commits. :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by :hammerandwrench: by - - Last week there were 2 contributors. :bustinsilhouette: :bustin_silhouette: - - Last week there was 1 stargazer. :star: You are the star!

:star2: - - Last week there were no releases. - - That's all for last week, please :eyes: Watch and :star: Star the repository to receive next weekly updates. :smiley: You can also .*