AI agents, week of 2026-11-02

Releases

• A2UI python/a2ui-core/v0.5.0: a2ui-core 0.5.0

  2026-11-02 · github.com/a2ui-project/a2ui

  - BREAKING CHANGE : DataContext refuses a function whose allowed callers is agentOnly , before running it, so a binding, check or function call action that calls one reports an EXPRESSION ERROR instead of running it, as the v1.0 specification requires. RpcHandler still runs such…

  A2UI
• ACP v1.15.1: Rust Crate v1.15.1

  2026-11-02 · github.com/agentclientprotocol/agent-client-protocol

  Other - reconcile v1.15 spec text, unstable RFDs and the proxy-chains RFD ( 2743)

• Letta v0.34.38: Release v0.34.38

  2026-11-02 · github.com/letta-ai/letta-code

  What's Changed docs(agents): treat internal names and IDs as internal in public examples by @cpacker in https://github.com/letta-ai/letta-code/pull/5446 docs: add speech word timings example by @letta-integration[bot] in https://github.com/letta-ai/letta-code/pull/5442 feat(suba…

  LettaLetta
• pi v1.5.0

  2026-11-02 · github.com/earendil-works/pi

  New Features - Extension update changelogs : see what changed in installed extension packages on the next fresh launch after an update. Package authors can choose the changelog path, and collapseChangelog condenses the notices. See Show a changelog. - Faster streaming : large to…

• Roder roder/v0.4.7: roder 0.4.7 (2026-11-02)

  2026-11-02 · github.com/RoderAI/roder

  Features Support native Chat Completions for custom inference providers Custom endpoints can use Roder's native Rust Chat Completions transport with protocol = "chat completions" , including streaming answers and tool-call round trips. Optional model IDs, deployed context-window…

  Roder