Daily Tooling Brief — 2026-11-01

We’ve deprecated fast mode for Claude Opus 4.8, with removal on November 30, 2026. After removal, requests to claude-opus-4-8 with speed: "fast" will return an error. To continue using fast mode, migrate to Claude Opus 5.5.

* Drop support for Python 3.10 ([2677298](https://github.com/googleapis/python-genai/commit/2677298eaa011df6662d6379280441d75a4693aa))

- Added `permissions.blockWritesOutsideWorkingDirectories`: Write, Edit and NotebookEdit refuse paths outside the working directories in every permission mode

Computer Use generally available (GA): Released the Computer Use tool to general availability (GA) across the Interactions and GenerateContent APIs.

- Deprecated fast mode for Opus 4.8 as of October 30, 2026; it will be removed on November 30, 2026. After removal, fast mode requests on Opus 4.8 return an error and do not fall back to standard Opus 4.8. Migrate to Opus 5.5 to keep the speedup

Code written for Claude Haiku 4.5 can break on Claude Haiku 5.5. Manual extended thinking (budget_tokens), the sampling parameters temperature, top_p, and top_k, and assistant message prefill can each return a 400 error. computer_20250124 also returns a 400 error: use the computer_toolset_20260801 toolset on the Claude API and Google Cloud, or computer_20251124 on Amazon Bedrock.

Released GPT-6 Rosalind, bringing specialized biological reasoning with scientific tool use to complex life sciences research. Access is available to organizations approved for Rosalind Research through the trusted-access program for internal research by authorized users.

* **api:** add agent context compaction settings ([#4209](https://github.com/openai/openai-python/issues/4209)) ([f552fcf](https://github.com/openai/openai-python/commit/f552fcffcf774520e946121704b5fbbf7ba986e8))

* fix(core): support opt-in private network endpoints for MCP OAuth flows by @luisfelipe-alt in https://github.com/google-gemini/gemini-cli/pull/29844