https://www.thinkfacility.com/changelogs/anthropic-sdk-python/Releases and changelog entries for anthropic-sdk-python.https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.3.053331507d023fd5ffe4c22afca2d0a318a279ecaTue, 01 Sep 2026 17:36:55 +0000Anthropicrelease1.3.0 (2026-09-01) Full Changelog: v1.2.0...v1.3.0 Features api: beta user profiles: add external_user_onboarded_at, remove relationship in favor of access_type ( 74080c3 ) api: manual updates ( 1dc3ce0 ) api: organization compliance settings, user-profile order_by, memory-store and toolset schema updates ( 429e719 ) Bug Fixes aws: resolve base_url from aws_region under skip_auth and with_options ( #564 ) ( b6d1732 ) batches: add results to GA raw/streaming response wrappers ( cbf9715 ) ci: don't hard-wrap detect-breaking-changes output ( b5be779 ) client: derive multipart filename for file…https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.2.07e69b6faa05a64236306727b5893ac68105526a1Thu, 27 Aug 2026 20:28:58 +0000Anthropicrelease1.2.0 (2026-08-27) Full Changelog: v1.1.0...v1.2.0 Features api: beta files/skills namespaces use GA shapes; drop dated beta header pins ( 9df4565 ) Bug Fixes aws,bedrock: sign raw request bytes so binary file uploads work ( #531 ) ( f50e910 ) ci: resolve assignment aliases in detect-breaking-changes ( f2c4925 ) sessions: make event accumulator forward-compatible with new event types ( #533 ) ( cbbaf6e ) tools: let read return a view_range of a file over the size cap ( #538 ) ( b68e876 ) tools: preserve exact file bytes in the agent toolset and memory tool (no newline translation) ( #540 ) (…https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.1.04f2d9c53e2e67838658caee3d2a62b57a2c2f222Wed, 26 Aug 2026 17:14:40 +0000Anthropicrelease1.1.0 (2026-08-26) Full Changelog: v1.0.0...v1.1.0 Features api: add updates thinking display mode (beta) ( eb4a73f ) api: add missing anthropic-beta values ( dbebd15 ) api: add support for Organization API endpoints ( 5a5b8fc ) Bug Fixes docs: correct link for long requests error ( #1884 ) ( 4474f31 ), closes #1883 tools: keep the tool runner going on pause_turn ( #343 ) ( ab1ec60 ) Chores docs: clarify skill version latest support and memory version retention ( a754f3b ) internal: cancel superseded CI runs ( c061ab1 ) internal: minor workflow reformat ( 1569002 ) internal: remove the legacy…https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.0.0b63ae3db1166f24a2ca650c085d6631bcdb5370dThu, 20 Aug 2026 19:58:48 +0000Anthropicrelease1.0.0 (2026-08-20) Full Changelog: v0.125.0...v1.0.0 ⚠ BREAKING CHANGES client: upgrade to httpx2 and some minor breaking changes. See MIGRATION.md for details Features client: upgrade to httpx2 and some minor breaking changes. See MIGRATION.md for details ( 33e2967 ) Bug Fixes beta: stop warning about output_format= on the parse/stream/tool_runner helpers ( 59bf261 ) Chores streaming: restore the original event imports in lib/streaming/_types.py ( 87e9e01 ) Documentation examples: use adaptive thinking in thinking examples ( b5870af )https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.125.05a6158eacdca9c3ffcff6ea4ee7db78cff1322f9Wed, 19 Aug 2026 22:00:31 +0000Anthropicrelease0.125.0 (2026-08-19) Full Changelog: v0.124.0...v0.125.0 Features api: managed agents web search config and self hosted sandbox memory ( b75afd6 )https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.124.067279113c4c8ff1d3588b5a3b6445a893e8c0f8aWed, 19 Aug 2026 16:51:20 +0000Anthropicrelease0.124.0 (2026-08-19) Full Changelog: v0.123.0...v0.124.0 Features api: Files and Skills APIs are now GA; add computer use and browser use toolsets ( 9a09e84 )https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.123.0acc2d37bf4170ef4a9a79f6ffaa35ed2b17842d7Wed, 19 Aug 2026 13:31:54 +0000Anthropicrelease0.123.0 (2026-08-18) Full Changelog: v0.122.0...v0.123.0 Features api: additions to files and memory stores ( 09ce187 ) api: updates to skill, files, and user profiles ( c6cbffd ) client: add helpers for accessing the workspace ID in response headers ( f79882b ) Bug Fixes api: remove unsupported mid_conv_system content block ( 6f15b8d ) client: compute platform headers without spawning a subprocess ( baca9f4 ) client: export custom status errors from _exceptions. all ( #459 ) ( 2950ec4 ) client: export ServiceUnavailableError and DeadlineExceededError from the package root ( #468 ) ( 0dcd06d…https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.122.02a15b3f828dbf05ed04ea1a53f40e54ed36f1db4Thu, 13 Aug 2026 18:35:49 +0000Anthropicrelease0.122.0 (2026-08-13) Full Changelog: v0.121.0...v0.122.0 Features api: add output_behavior to dream creation (create a new memory store or update the input store in place) ( 852c4bb ) Bug Fixes bedrock,aws: run SigV4 signing off the event loop in async clients ( #334 ) ( 2bae6c8 ) bedrock: expose beta.messages.parse, stream and tool_runner ( #366 ) ( 6eca7bb ) client: add models ( 52e9d94 ) client: keep token exchange bound per client across copy() ( #388 ) ( c13e6e3 ) client: read PathLike contents passed inside a file tuple ( 070f953 ) client: treat empty ANTHROPIC_API_KEY /…https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.121.0598223e417a87b6f46acd40934279b5890f7d204Fri, 07 Aug 2026 17:10:51 +0000Anthropicrelease0.121.0 (2026-08-07) Full Changelog: v0.120.2...v0.121.0 Features api: add mid-conversation-tool-changes-2026-07-01 beta ( c7d1531 ) api: add support for session budgets, advisor tool, pinned inference location and skills auto-loading from GitHub ( 193bae0 ) Chores api: remove retired Claude Opus 4.1 models ( 5352a33 ) docs: small updates to descriptions ( b8d4176 ) docs: updates to a few documentation strings ( 3a5dd69 ) ensure all dependencies have major version constraints ( #274 ) ( d52999b )https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.120.2f2172d6210af645ef1da5d39c9ad42ebc6f22966Tue, 28 Jul 2026 17:38:09 +0000Anthropicrelease0.120.2 (2026-07-28) Full Changelog: v0.120.1...v0.120.2 Bug Fixes mcp: support mcp sdk v2 alongside v1 ( #300 ) ( 177f88c )