LangServe

What's Changed

• Add streaming support for tuple chat widget by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/499
• Rebuild assets for playground for local dev by @eyurtsev in https://github.com/langchain-ai/langserve/pull/502
• Release 0.0.46 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/501

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.45...v0.0.46

What's Changed

• Adds playground chat widget for message list inputs, additional global callback for chunks by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/489
• Release 0.0.45 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/498

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.44...v0.0.45

What's Changed

• Update Hosted LangServe Signup Link by @jakerachleff in https://github.com/langchain-ai/langserve/pull/485
• Make playground work with apps behind a proxy with root_path by @nat-n in https://github.com/langchain-ai/langserve/pull/472
• Update JS docs links by @jacoblee93 in https://github.com/langchain-ai/langserve/pull/490
• Exclude playground asset paths from OpenAPI docs by @nat-n in https://github.com/langchain-ai/langserve/pull/488
• Update .clabot by @eyurtsev in https://github.com/langchain-ai/langserve/pull/493
• docs: add IaC section to the docs with first examples for Pulumi. by @dirien in https://github.com/langchain-ai/langserve/pull/491
• Release 0.0.44 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/494

New Contributors

• @nat-n made their first contribution in https://github.com/langchain-ai/langserve/pull/472
• @dirien made their first contribution in https://github.com/langchain-ai/langserve/pull/491

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.43...v0.0.44

What's Changed

• Update .clabot by @eyurtsev in https://github.com/langchain-ai/langserve/pull/480
• Fix: Pass dependencies to doc endpont for stream by @eyurtsev in https://github.com/langchain-ai/langserve/pull/483
• Release 0.0.43 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/484

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.42...v0.0.43

What's Changed

Improvements and bug fixes

• patch: name used for tracing should take into account APIRouter path by @eyurtsev in https://github.com/langchain-ai/langserve/pull/476

Documentation

• Example: Add ollama example for a local LLM by @eyurtsev in https://github.com/langchain-ai/langserve/pull/436
• Update README.md to include absolute link to langserve by @eyurtsev in https://github.com/langchain-ai/langserve/pull/445
• README.md: fix typos in with_types arguments by @eyurtsev in https://github.com/langchain-ai/langserve/pull/446
• Examples: Update agent example to include astream events by @eyurtsev in https://github.com/langchain-ai/langserve/pull/448
• Examples: Improve agent with history example to show astream events usage by @eyurtsev in https://github.com/langchain-ai/langserve/pull/451
• Examples: Add chat widget to agent by @eyurtsev in https://github.com/langchain-ai/langserve/pull/452
• Example: Add custom agent streaming by @eyurtsev in https://github.com/langchain-ai/langserve/pull/453
• Examples: Remove duplicated examples by @eyurtsev in https://github.com/langchain-ai/langserve/pull/455
• Update Readme to include path information when disabling the playground by @eyurtsev in https://github.com/langchain-ai/langserve/pull/464
• Examples: Add multiple servers example by @eyurtsev in https://github.com/langchain-ai/langserve/pull/469
• release version 0.0.42 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/477

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.41...v0.0.42

What's Changed

• Readme: Add information about astream_events by @eyurtsev in https://github.com/langchain-ai/langserve/pull/424
• Fix: Drop non json serializable values in the config prior to sending it to the server (#425) by @eyurtsev in https://github.com/langchain-ai/langserve/pull/425
• Release 0.0.41 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/426

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.40...v0.0.41

What's Changed

Improvements

• Adds astream events API to langserve

PRs

• docs: fix links README by @baskaryan in https://github.com/langchain-ai/langserve/pull/391
• Example: Add agent with history by @eyurtsev in https://github.com/langchain-ai/langserve/pull/399
• Update README with new example by @eyurtsev in https://github.com/langchain-ai/langserve/pull/400
• Add astream_events support to langserve by @eyurtsev in https://github.com/langchain-ai/langserve/pull/412
• Add astream_events support to Remote Runnable by @eyurtsev in https://github.com/langchain-ai/langserve/pull/415
• Strip internal keys from metadata by @eyurtsev in https://github.com/langchain-ai/langserve/pull/416
• patch: rename internal function name by @eyurtsev in https://github.com/langchain-ai/langserve/pull/417
• astream events: Add serializtion path tests by @eyurtsev in https://github.com/langchain-ai/langserve/pull/418
• Tests: re-organize utilities and chat model utility by @eyurtsev in https://github.com/langchain-ai/langserve/pull/419
• Tests: test stream events with chat model output by @eyurtsev in https://github.com/langchain-ai/langserve/pull/420
• Tests: inlclude astream events endpoint in testing enabled/disabled endpoint config by @eyurtsev in https://github.com/langchain-ai/langserve/pull/421
• Add StreamEventRequest type, update OpenAPIDocs by @eyurtsev in https://github.com/langchain-ai/langserve/pull/422
• Bump version for release 0.0.40 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/423

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.39...v0.0.40

What's Changed

Improvements and Bug Fixes

• Playground: Use 1 and 0 for feedback score instead of 1 and -1 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/388

Docs & Examples

• Add examples table and reformat README by @eyurtsev in https://github.com/langchain-ai/langserve/pull/372
• README.md: Add client links to examples tables by @eyurtsev in https://github.com/langchain-ai/langserve/pull/373
• README: Add more documentation, some reformatting, add more links to examples by @eyurtsev in https://github.com/langchain-ai/langserve/pull/374
• Update agent client example with streaming/stream log by @eyurtsev in https://github.com/langchain-ai/langserve/pull/379
• Example: Add example of configurable runnable used in agent executor by @eyurtsev in https://github.com/langchain-ai/langserve/pull/382
• Release 0.0.39 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/390

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.38...v0.0.39

What's Changed

Improvements and code changes

• Add ability to pass path dependencies through add_routes by @eyurtsev in https://github.com/langchain-ai/langserve/pull/361
• Update env vars for hosted langserve by @jakerachleff in https://github.com/langchain-ai/langserve/pull/347

Documentation and CI

• docs: AWS deployment (via Copilot CLI) by @JGalego in https://github.com/langchain-ai/langserve/pull/307
• Update link to CLA by @eyurtsev in https://github.com/langchain-ai/langserve/pull/359
• Example: Add auth using global dependencies by @eyurtsev in https://github.com/langchain-ai/langserve/pull/360
• Add auth explanations to readme by @eyurtsev in https://github.com/langchain-ai/langserve/pull/363
• Update .clabot by @eyurtsev in https://github.com/langchain-ai/langserve/pull/364
• Update README.md by @lucianotonet in https://github.com/langchain-ai/langserve/pull/350
• Improvement: Support awaitable for per request config modifier by @eyurtsev in https://github.com/langchain-ai/langserve/pull/366
• Example: Per user logic using per request modifier by @eyurtsev in https://github.com/langchain-ai/langserve/pull/368
• Bump langchain by @eyurtsev in https://github.com/langchain-ai/langserve/pull/369
• Example: Add per user retriever with auth using APIHandler by @eyurtsev in https://github.com/langchain-ai/langserve/pull/370
• Version 0.0.38 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/371

New Contributors

• @lucianotonet made their first contribution in https://github.com/langchain-ai/langserve/pull/350
• @JGalego made their first contribution in https://github.com/langchain-ai/langserve/pull/307

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.37...v0.0.38

What's Changed

• Update API Handler marking some fields as private by @eyurtsev in https://github.com/langchain-ai/langserve/pull/329
• Update feedback enabled endpoint by @eyurtsev in https://github.com/langchain-ai/langserve/pull/332
• Expose API Handler by @eyurtsev in https://github.com/langchain-ai/langserve/pull/333
• Clean up endpoints by @eyurtsev in https://github.com/langchain-ai/langserve/pull/338
• Update widgets example by @eyurtsev in https://github.com/langchain-ai/langserve/pull/339
• Update README.md with chat widget information by @eyurtsev in https://github.com/langchain-ai/langserve/pull/340
• Only run per request modifier for invoke,batch,stream,astream_log by @eyurtsev in https://github.com/langchain-ai/langserve/pull/341
• Version 0.0.37 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/342

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.36...v0.0.37

What's Changed

• Chat Backend with session_id by @eyurtsev in https://github.com/langchain-ai/langserve/pull/310
• Allow user to configure callbacks server side by @eyurtsev in https://github.com/langchain-ai/langserve/pull/317
• Add backend persisted chat with user id example by @eyurtsev in https://github.com/langchain-ai/langserve/pull/318
• Release 0.0.36 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/323
• Remove test that seems to cause deadlock for python 3.9 during unit tests by @eyurtsev in https://github.com/langchain-ai/langserve/pull/319

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.35...v0.0.36

What's Changed

• Passthrough example by @eyurtsev in https://github.com/langchain-ai/langserve/pull/305
• auto enable feedback for hosted langserve by @jakerachleff in https://github.com/langchain-ai/langserve/pull/302
• Update passthrough dict documentation by @eyurtsev in https://github.com/langchain-ai/langserve/pull/306
• Add a Deploy to Railway Button by @PaulLockett in https://github.com/langchain-ai/langserve/pull/252
• Fix request url path by @169 in https://github.com/langchain-ai/langserve/pull/304
• Release 0.0.35 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/309

New Contributors

• @PaulLockett made their first contribution in https://github.com/langchain-ai/langserve/pull/252
• @169 made their first contribution in https://github.com/langchain-ai/langserve/pull/304

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.34...v0.0.35

What's Changed

Improvements and features

• Add filtering for LangServe by run name through allow list by @akira in https://github.com/langchain-ai/langserve/pull/291
• Validate that endpoints specified in enable or disabled endpoints are passed as a sequence of str rather than just str by @eyurtsev in https://github.com/langchain-ai/langserve/pull/297

New Contributors

• @akira made their first contribution in https://github.com/langchain-ai/langserve/pull/291

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.33...v0.0.34

What's Changed

• Update .clabot by @eyurtsev in https://github.com/langchain-ai/langserve/pull/269
• Added deployment option to Azure in the documentation by @sowsan in https://github.com/langchain-ai/langserve/pull/266
• Bump overall test timeout by @eyurtsev in https://github.com/langchain-ai/langserve/pull/273
• Refactor in preparation to add ability to enable/disable individual endpoints by @eyurtsev in https://github.com/langchain-ai/langserve/pull/271
• Bump aiohttp in lock file by @eyurtsev in https://github.com/langchain-ai/langserve/pull/278
• Moving API Handler to its own file by @eyurtsev in https://github.com/langchain-ai/langserve/pull/277
• Add trailing / to URLs in README.md by @eyurtsev in https://github.com/langchain-ai/langserve/pull/282

Fixes

• Bug Fix: Use deep copy in RemoteClient astream log@eyurtsev in https://github.com/langchain-ai/langserve/pull/280
• Enforce trailing slash in remote runnable by @eyurtsev in https://github.com/langchain-ai/langserve/pull/287

Features

• Enable/disable endpoints by @eyurtsev in https://github.com/langchain-ai/langserve/pull/281

You can enable / disable which endpoints are exposed. Use enabled_endpoints if you want to make sure to never get a new endpoint when upgrading langserve to a newer verison. See README.md for more details.

# Enable
add_routes(app, chain, enabled_endpoints=("invoke", "batch", "config_hashes"))
# Disable
add_routes(app, chain, disabled_endpoints=["playground"]) 

• Document Enabling/Disabling Endpoints in README.md by @eyurtsev in https://github.com/langchain-ai/langserve/pull/289

Examples

• Add configurable retriever example by @eyurtsev in https://github.com/langchain-ai/langserve/pull/267

New Contributors

• @sowsan made their first contribution in https://github.com/langchain-ai/langserve/pull/266

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.32...v0.0.33

What's Changed

• Fix mimetype handling on windows by @eyurtsev in https://github.com/langchain-ai/langserve/pull/259
• Update widget by @eyurtsev in https://github.com/langchain-ai/langserve/pull/261
• Handle AIMessageChunk, attempt to gather non-dict values by @dqbd in https://github.com/langchain-ai/langserve/pull/262
• Add feedback buttons to stream_log runs by @dqbd in https://github.com/langchain-ai/langserve/pull/203
• New JS build by @dqbd in https://github.com/langchain-ai/langserve/pull/264
• Version 0.0.32 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/265

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.31...v0.0.32

What's Changed

• Fix race conditions of defaults and schemas by @dqbd in https://github.com/langchain-ai/langserve/pull/251
• Fix streaming duplicate requests when refocusing by @dqbd in https://github.com/langchain-ai/langserve/pull/256
• Version 0.0.31 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/258

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.30...v0.0.31

What's Changed

• Use pytest asyncio auto mode by @nfcampos in https://github.com/langchain-ai/langserve/pull/247
• add default configs for all served runnables by @jakerachleff in https://github.com/langchain-ai/langserve/pull/209
• add auto metadata logging for stream log by @jakerachleff in https://github.com/langchain-ai/langserve/pull/249
• Release 0.0.30 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/250

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.29...v0.0.30

What's Changed

• Update conversational retriever chain example by @eyurtsev in https://github.com/langchain-ai/langserve/pull/238
• Update examples by @eyurtsev in https://github.com/langchain-ai/langserve/pull/239
• update README with screenshots by @eyurtsev in https://github.com/langchain-ai/langserve/pull/240
• Reorganize readme, add documentation to config hash endpoints by @eyurtsev in https://github.com/langchain-ai/langserve/pull/241
• Fix python docs build by @efriis in https://github.com/langchain-ai/langserve/pull/242
• remove eager mode on feedback by @jakerachleff in https://github.com/langchain-ai/langserve/pull/216
• Update pydantic compatibility message, and add one to openapi docs as well by @eyurtsev in https://github.com/langchain-ai/langserve/pull/243
• v0.0.29 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/244

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.28...v0.0.29

What's Changed

• restrict fastapi, lock langsmith higher version by @efriis in https://github.com/langchain-ai/langserve/pull/227
• Update .clabot by @eyurtsev in https://github.com/langchain-ai/langserve/pull/231
• Empty commit by @eyurtsev in https://github.com/langchain-ai/langserve/pull/232
• bug: typo in README and slight cognitive overload terminology lift by @craigsdennis in https://github.com/langchain-ai/langserve/pull/226
• Update .clabot by @eyurtsev in https://github.com/langchain-ai/langserve/pull/235
• Add support for API route via prefix by @eyurtsev in https://github.com/langchain-ai/langserve/pull/236
• Release 0.0.28 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/237

New Contributors

• @craigsdennis made their first contribution in https://github.com/langchain-ai/langserve/pull/226

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.27...v0.0.28

What's Changed

• Do not enable langsmith tracer globally by @eyurtsev in https://github.com/langchain-ai/langserve/pull/205
• Minor: Update names to not include Test prefix by @eyurtsev in https://github.com/langchain-ai/langserve/pull/222
• Enable configurable by default langserve side by @eyurtsev in https://github.com/langchain-ai/langserve/pull/219
• Apply noqa to specific statement rather than entire file by @eyurtsev in https://github.com/langchain-ai/langserve/pull/223
• Update Splash Screen with warning about openapi docs by @eyurtsev in https://github.com/langchain-ai/langserve/pull/221
• Minor: language update in splash screen by @eyurtsev in https://github.com/langchain-ai/langserve/pull/224
• Version 0.0.27 by @eyurtsev in https://github.com/langchain-ai/langserve/pull/225

Full Changelog: https://github.com/langchain-ai/langserve/compare/v0.0.26...v0.0.27