Changes since langchain==0.2.14
langchain[patch]: Release 0.2.15 (#25802)
date_time_parser (#25763)
all: Improve make lint command (#25344)
docs: api ref to new site somewheres (#25679)
core: pydantic output parser streaming fix (#24415)
langchain: Fix type warnings when passing Runnable as agent to AgentExecutor (#24750)
fix issue: cannot use document_variable_name to override context in create_stuff_documents_chain (#25531)
docs: fix Agent deprecation msg (#25464)
[experimental]: minor fix to open assistants code (#24682)
langchain[patch]: deprecate various chains (#25310)