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Anthropic @anthropics
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wire 2026-07-24
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BUFFA v0.9.1 PATCHES REGRESSION THAT BROKE ORDINARY SCHEMAS

By RepoJournal · Filed · About Anthropic · Composed from the cited sources · methodology

iainmcgin meorphis-anthropic github-actions[bot] Bryan Thompson github-actions
5 people shipped this
iainmcgin @iainmcgin 2 cited meorphis-anthropic @meorphis-anthropic 2 cited github-actions[bot] @github-actions[bot] 1 cited Bryan Thompson @bryan-anthropic github-actions @github-actions

Buffa shipped an emergency patch overnight after v0.9.0 broke codegen on schemas with a few hundred proto files, small enough to hit in production.

Buffa v0.9.1 [1] fixes a critical regression where v0.9.0's element-memory bound, designed for untrusted wire input, was incorrectly applied to the tooling's own descriptor sets. Codegen started rejecting ordinary schemas with `element memory limit exceeded`, forcing an immediate patch [2]. Three other fixes ride along: field-scoped open-enum reflection, CI publishing guardrails, and a duplicate env key that blocked the publish workflow [3]. Across the plugin ecosystem, 103 PRs landed this period driving routine SHA bumps and upstream tracking across official, community, and knowledge-work plugin repos. Claude for Foundation Models added release automation with release-please and conventional commit linting [4] [5], turning hand-cut releases into changelog-driven deploys.

Action items

References

  1. [1] release: v0.9.1 ↗ anthropics/buffa
  2. [2] release: v0.9.1 (#335) ↗ anthropics/buffa
  3. [3] v0.9.1 ↗ anthropics/buffa
  4. [4] ci: add release-please for automated releases and changelog ↗ anthropics/ClaudeForFoundationModels
  5. [5] ci: lint PR titles as Conventional Commits ↗ anthropics/ClaudeForFoundationModels

$ ls anthropics/reviews/ # the step-back reads

the week in review Sonnet 5.5 becomes the default model the month in review Sandbox and SDK holes dominate Anthropic's September
Full archive → Weekly reviews →

Quick answers

What shipped in Anthropic on July 24, 2026?
Buffa shipped an emergency patch overnight after v0.9.0 broke codegen on schemas with a few hundred proto files, small enough to hit in production. In total, 9 commits, 103 pull requests, and 1 releases landed.
Who contributed to Anthropic on July 24, 2026?
5 developers shipped this update, including iainmcgin, github-actions[bot], Bryan Thompson, github-actions, and meorphis-anthropic.
What were the notable Anthropic updates?
release: v0.9.1, release: v0.9.1 (#335), and v0.9.1.
♥

$ log @anthropics --recent

Python and Java SDKs take claude-haiku-5-5, typed computer and browser tool calls 49 shipped sandbox-runtime drops connections on invalid upstream status, buffa tightens its parsers 111 shipped Claude Code symlink TOCTOU allows arbitrary file write 15 shipped Sandbox path entries stop silently dropping bracketed directories 6 shipped

$ log --all # elsewhere on the wire

@openclaw OpenClaw fixes premature approval expiry, embedding readiness, and startup integrity proofs Agentic Coding Cline drops dead CLI flags, gemini-cli fixes auth retry loop, Gemini adds OTLP headers

$ ls showcases/

Rails Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux OpenAI

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