Changes since langchain-anthropic==1.2.0
chore(anthropic): bump min core version (#34326)
release(anthropic): 1.3.0 (#34324)
chore(anthropic): make test agnostic of python version (#34320)
docs(anthropic): clean up docstrings (#34317)
docs(anthropic): nit comments (#34314)
feat(anthropic): accept TypedDict for built-in tool types (#34279)
refactor(standard-tests): improve VCR config (#33968)
refactor(anthropic): comments and _BUILTIN_TOOL_PREFIXES (#34305)
docs(anthropic): fix line number highlighting (#34303)
feat(anthropic): auto-apply mcp beta header (#34301)
docs(anthropic): use named betas param in docstring example (#34300)
docs(anthropic): cleanup nits (#34299)
chore(anthropic): update test_tool_search cassette (#34297)
fix(anthropic): ignore null values of caller on tool_use blocks (#34286)
feat(anthropic): support mcp_toolset in bind_tools (#34284)
feat(core,anthropic): extras on BaseTool (#34120)
feat(anthropic): document and test fine grained tool streaming (#34118)
feat(anthropic): use model profile for max output tokens (#34163)
feat(anthropic): auto append relevant beta headers for computer use (#34117)
feat(anthropic): tool search support (#34119)
feat(anthropic): add effort support (#34116)
chore: update core dep in lockfiles (#34216)
feat(anthropic): auto append relevant beta headers (#34113)
chore(anthropic): vcr integration test (#34160)
docs(anthropic,core,langchain): updates (#34106)
feat(langchain): support SystemMessage in create_agent's system_prompt (#34055)