release: 1.12.0

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "1.11.0"
+  ".": "1.12.0"
 }

CHANGELOG.md

@@ -1,5 +1,50 @@
 # Changelog
 
+## 1.12.0 (2026-10-07)
+
+Full Changelog: [v1.11.0...v1.12.0](https://github.com/anthropics/anthropic-sdk-python/compare/v1.11.0...v1.12.0)
+
+### Features
+
+* **api:** add claude-haiku-5-5 and typed computer and browser toolset tool calls ([f6346e6](https://github.com/anthropics/anthropic-sdk-python/commit/f6346e63b7507a596e6e8acc9425cae2dfc7bf24))
+* **api:** add disabled to thinking types in model capabilities ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+* **api:** add display_name to RBAC roles and deprecate name ([f63f99c](https://github.com/anthropics/anthropic-sdk-python/commit/f63f99c17583fbdc7e0ba7b92f8f259724403146))
+* **api:** add include_default parameter to list workspaces ([5d4b37b](https://github.com/anthropics/anthropic-sdk-python/commit/5d4b37b36b96e24fb605993216c39db378b14d4c))
+* **api:** add lifecycle stage fields and filter to /v1/models ([0c96c02](https://github.com/anthropics/anthropic-sdk-python/commit/0c96c0212f4bfb6f592639c59378583cd80ee352))
+* **api:** add line to model objects ([a85c649](https://github.com/anthropics/anthropic-sdk-python/commit/a85c649ff834f54c6809eaceb38e3317c3805fb4))
+* **api:** add url_sources to the Managed Agents web_fetch tool config ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+* **api:** add web search and code execution support to model capabilities ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+
+
+### Bug Fixes
+
+* **api:** send the beta header by default when listing spend limits ([e2690b4](https://github.com/anthropics/anthropic-sdk-python/commit/e2690b4e733b0453d05bb770f32743618cfc9c92))
+* **client:** send empty strings in query params and multipart forms ([80e69f1](https://github.com/anthropics/anthropic-sdk-python/commit/80e69f1a204bd5bfdd090e6d32ce36c846544c1a))
+* **tools:** keep a local edit made after a memory upload whose response was lost ([#990](https://github.com/anthropics/anthropic-sdk-python/issues/990)) ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+
+
+### Chores
+
+* **client:** track whether the client timeout was set explicitly ([36a223f](https://github.com/anthropics/anthropic-sdk-python/commit/36a223feb1cc309bb9e2fcba371b430455a5555a))
+* **docs:** correct example groups in rate limit list description ([71fcf2f](https://github.com/anthropics/anthropic-sdk-python/commit/71fcf2fbf2caa7b28b228c50b23b94acc78467a9))
+* **docs:** describe a federation rule's target by its type ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+* **docs:** fix example IDs in sessions, agents and vault credentials ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+* **docs:** update Managed Agents multiagent and thread descriptions ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+* **docs:** update the activity summaries endpoint description ([d9bd4bf](https://github.com/anthropics/anthropic-sdk-python/commit/d9bd4bf6f558822e16a2d6a65fd333ee4d3596ab))
+* **docs:** update the description of the Model line field ([4444463](https://github.com/anthropics/anthropic-sdk-python/commit/4444463ed4f434b248e92c6757b60b8b10a66285))
+* **internal:** add REVIEW.md with review instructions ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+* **internal:** format the code blocks of the docs with one run of ruff ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+* **internal:** refactor deprecated models ([7b0c7d5](https://github.com/anthropics/anthropic-sdk-python/commit/7b0c7d5f4febd73b102559cbf7abcf72ff6ea775))
+* **tests:** run tests skipped for a query param bug that is now fixed ([d606929](https://github.com/anthropics/anthropic-sdk-python/commit/d6069290e87ef9fba83d232d0fee94528bae1d3c))
+* **tests:** run tests that an older mock server could not serve ([bffd222](https://github.com/anthropics/anthropic-sdk-python/commit/bffd22228215ef677530b6cbea5756b7a24203d1))
+* **tests:** run the batch results raw and streaming response tests ([#978](https://github.com/anthropics/anthropic-sdk-python/issues/978)) ([78d815d](https://github.com/anthropics/anthropic-sdk-python/commit/78d815d78b33cfea5f4aa78c57a30b341fa8ff42))
+* **tests:** run the tests skipped for incomplete example responses ([06a75bc](https://github.com/anthropics/anthropic-sdk-python/commit/06a75bc59e17e80de9a7fe95f47faf810b48fa46))
+
+
+### Documentation
+
+* **api:** state the agent tools limit as 256 ([e4eff6b](https://github.com/anthropics/anthropic-sdk-python/commit/e4eff6b3aa651febf5413894a2e220a05aa32c00))
+
 ## 1.11.0 (2026-09-30)
 
 Full Changelog: [v1.10.0...v1.11.0](https://github.com/anthropics/anthropic-sdk-python/compare/v1.10.0...v1.11.0)

README.md

@@ -6,6 +6,8 @@ The Claude SDK for Python provides access to the [Claude API](https://docs.anthr
 
 ## Documentation
 
+Tool helpers (`@beta_tool`, the tool runner and `ToolError`) are documented in [tools.md](tools.md). The browser and computer toolset classes have their own guides, [browser-toolset.md](browser-toolset.md) and [computer-toolset.md](computer-toolset.md).
+
 Full documentation is available at **[platform.claude.com/docs/en/api/sdks/python](https://platform.claude.com/docs/en/api/sdks/python)**.
 
 ## Installation

REVIEW.md

@@ -0,0 +1,24 @@
+# Review instructions
+
+## Report these as Important, as well as functional bugs
+
+- A violation of this repository's `CLAUDE.md`. Quote the rule
+- A new public name, parameter or option that the PR description does not list
+- A behavior change that still applies with the PR's feature switched off
+- A new runtime check of an API response, or a client-side copy of validation
+  that the API does
+- Code that validates, reorders, defaults or drops part of a request the caller
+  built
+- Code that fails on an enum member, union variant or field this version does
+  not know
+- A fix made to one copy of logic that exists more than once
+- A behavior change with no test that fails before it and passes after
+- A hand-written list of fields, variants or names that generated code also
+  carries, with no tripwire test
+- A comment that restates the code, or that runs past three lines on a symbol
+  that is not public
+
+## Don't report these
+
+- A missing runtime check of an API response, or missing client-side validation
+- What an application can do to its own process, credentials or telemetry