Changes since langchain==1.0.8
release(langchain): 1.1 (#34090)
feat(langchain): support SystemMessage in create_agent's system_prompt (#34055)
fix: don't reorder tool calls in HITL middleware (#34023)
chore(docs): fix a few refs syntax errors (#34044)
feat(model-profiles): distribute data across packages (#34024)
chore: add more robust test for runtime injection w/ explicit args_schema (#34051)
feat: ModelRetryMiddleware (#34027)
fix: deprecate setattr on ModelCallRequest (#34022)
style(langchain): fix some middleware ref syntax (#33988)
fix: resumable shell, works w/ interrupts (#33978)
feat(langchain): reference model profiles for provider strategy (#33974)
chore: increase coverage for shell, filesystem, and summarization middleware (#33928)
fix(anthropic): execute bash + file tools via tool node (#33960)
fix: adding missing async hooks (#33957)
docs: Fix doc links (#33964)
fix: add filesystem middleware in init (#33955)
chore(langchain): update deps (#33951)
fix(langchain, openai): backward compat for response_format (#33945)
fix(langchain, openai): fix create_agent / response_format for Responses API (#33939)
feat: refactor tests coverage (#33927)
chore: update README.md files (#33919)
feat(langchain): support async summarization in SummarizationMiddleware (#33918)
feat(langchain): (SummarizationMiddleware) support use of model context windows when triggering summarization (#33825)