[Feat]: Upgrade A2A to v1.0 #559

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1. Tehsmash

   added the

   Feature

   issue type on Nov 21, 2025
2. muscariello

   assigned

   Tehsmash

   on Nov 21, 2025
3. muscariello

   self-assigned this

   on Nov 30, 2025
4. muscariello

   added a commit that references this issue on Jan 24, 2026

   refactor!: upgrade SDK to A2A 1.0 specs (#572)

   ...

   This issue will close once commit 1cc993c is merged into the 'main' branch.

   1cc993c
5. ishymko commented on Feb 2, 2026

   

   ishymko

   on Feb 2, 2026

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   Hey @muscariello, @Tehsmash, wanted to check on #572 (great work BTW, thanks a lot!). If I understand correctly the next step is to merge 1.0-a2a_proto_refactor into 1.0-dev? Will you be able to take it? Please let me know if anything is needed and also send PRs my way.

   Thank you!

   FYI: I've merged main into 1.0-dev recently (#658) and enabled linter and unit tests in CI.
6. muscariello

   added a commit that references this issue on Feb 2, 2026

   refactor!: upgrade SDK to A2A 1.0 specs (a2aproject#572)

   ...

   This issue will close once commit 4d7de23 is merged into the 'main' branch.

   4d7de23
7. ishymko

   added sub-issues on Feb 12, 2026

   • [Task]: 1.0: Run TCK tests against 1.0 implementation #666
   • [Task]: 1.0: Support multi-tenancy #672
   • [Task]: 1.0: Send current task state as a first event on "Subscribe to Task" #675
   • [Task]: 1.0: Use StreamResponse as push notifications payload #678
   • [Feat]: Resource Scoping #610
8. ishymko

   added a commit that references this issue on Feb 12, 2026

   refactor!: Update to Protocol v1.0.0-rc and fix all tests (#665)

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   3358305
9. ishymko commented on Feb 17, 2026

   

   ishymko

   on Feb 17, 2026

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   Hey @muscariello FYI 1.0-dev is updated and now contains proto refactor changes (see #696 and #697).

   I will be looking and testing further from 1.0-dev, will post updates here in the comments.
10. ishymko

    added 2 commits that reference this issue on Feb 18, 2026

    fix: fix bad "list tasks" merge for JSON-RPC (#698)

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    0623015

    chore: bring back removed files

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    a86ac85
11. 8 remaining items

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12. ishymko

    added a sub-issue on Feb 19, 2026

    • [Task]: Implement tasks/list method #515
13. ishymko

    added a commit that references this issue on Feb 19, 2026

    chore: regenerate latest types from A2A main (#712)

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    427a75b
14. ishymko

    added sub-issues on Feb 23, 2026

    • [Task]: Database stores compatibility and migration #715
    • [Task]: Use google.rpc.Status formatted JSON objects for error response bodies in HTTP+JSON mapping #722
    • [Task]: Implement gRPC status for gRPC errors #723
15. ishymko

    added 3 commits that reference this issue on Mar 4, 2026

    fix: remove v1 from HTTP+REST/JSON paths (#765)

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    627ae0b

    fix: use correct REST path for Get Extended Agent Card operation

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    db64230

    fix: use correct REST path for Get Extended Agent Card operation (#769)

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    ced3f99
16. sokoliva

    added a sub-issue on Mar 9, 2026

    • [Task] add protocol_version column to Task and PushNotificationConfig models and create a migration #787
17. ishymko

    added a commit that references this issue on Mar 9, 2026

    fix: incorporate latest 1.0 proto changes (#788)

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    47a5959
18. ishymko

    removed a sub-issue on Mar 9, 2026

    • [Task] add protocol_version column to Task and PushNotificationConfig models and create a migration #787
19. ishymko

    added a commit that references this issue on Mar 16, 2026

    build: use 1.0 tag in buf config (#841)

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    dedda6c
20. ishymko

    removed sub-issues on Mar 17, 2026

    • [Task]: Research removing buf from build process #706
    • [Task]: 1.0: Run TCK tests against 1.0 implementation #666
21. ishymko

    closed this as completedon Apr 9, 2026