1.8.3

What's Changed

✨ New Features

• feat: Add Windows Playwright tests to nightly builds by @vjgit96 in #12264

📝 Documentation Updates

• docs: docling dependencies for langflow desktop and updated Desktop env vars by @mendonk in #12273
• docs: contribute to next release candidate branch and not main by @mendonk in #12247
• docs: gemini3 tool calling is temporarily disabled by @mendonk in #12274

Full Changelog: 1.8.2...1.8.3

1.8.2

What's Changed

🐛 Bug Fixes

• fix: Postgres JSON column fails with "Token NaN is invalid" when Agent stores message (psycopg InvalidTextRepresentation) by @AryamanSi17 in #11977
• fix: use timezone=true on flow_version created_at field by @jordanrfrazier in #12180
• fix: Proper refresh of Groq models by @erichare in #12158
• fix: make LANGFUSE_BASE_URL the preferred URL variable by @mendonk in #12154
• fix: nightly now properly gets 1.9.0 branch by @Adam-Aghili in #12215

📝 Documentation Updates

• docs: uv included in 1.8.1 images by @mendonk in #12135
• docs: replace the file upload utility by @mendonk in #12153
• docs: add search icon by @mendonk in #12216

Others

• ci: allow docs-only pull requests to skip tests by @mendonk in #12174
• chore: merge branch release-1.8.1 into main by @Adam-Aghili in #12185
• chore: remove hash history by @jordanrfrazier in #12183
• chore: release nightlies from of release branch by @Adam-Aghili in #12181

New Contributors

• @AryamanSi17 made their first contribution in #11977

Full Changelog: 1.8.1...1.8.2

v1.8.1

What's Changed

🐛 Bug Fixes

• fix(ui): Correct AstraDB icon size to use relative units by @Cristhianzl in #12137
• fix(api): Handle Windows ChromaDB file locks when deleting Knowledge Bases by @Cristhianzl in #12132
• fix: Fix image preview for Windows paths in playground by @Cristhianzl in #12136
• fix: Properly propagate max tokens param to Agent by @erichare in #12151
• fix: include uv/uvx in runtime Docker image by @Adam-Aghili in #12127
• fix: preserve api key configuration on flow export by @HimavarshaVS in #12129
• fix(mcp): Handle missing config file in MCP client availability detection by @Cristhianzl in #12172

Others

• chore: update fastapi dep by @jordanrfrazier in #12141
• Fix: Tweaks override ENV VARIABLES by @dkaushik94 in #12152

Full Changelog: v1.8.0...v1.8.1

1.8.0

What's Changed

✨ New Features

• feat: Add OpenSearch multimodal multi-embedding component by @edwinjosechittilappilly in #10714
• Feat: add storybook setup by @Wallgau in #10721
• feat: Add support for vLLMs and custom URL support by @jpramos123 in #10336
• feat: No size constraints for sticky notes (#10393) by @ochosi in #10394
• feat: Add configurable API key validation source (db/env) by @Cristhianzl in #10783
• feat: Add feature flag check to simplified_run_flow_session by @edwinjosechittilappilly in #10834
• feat: custom worker count for IBM models in OpenSearch by @edwinjosechittilappilly in #10866
• feat: updated Composio Github icon by @Uday-sidagana in #10764
• feat: Add a Unified Model Providers configuration by @HimavarshaVS in #10565
• feat: add tenacity retry in openserach by @edwinjosechittilappilly in #10917
• feat: Ability to add custom colors for sticky notes. by @deon-sanchez in #10961
• feat: Add Correlation ID for CHAIN & LLM Traces in ArizePhoenixTracer Integration by @ialisaleh in #10813
• feat: Handle error events in OpenAI response streaming by @edwinjosechittilappilly in #10844
• feat: Add Hook for Auto Refresh of Model Provider Input by @deon-sanchez in #10996
• feat: Add support for passing env vars to run command by @edwinjosechittilappilly in #10986
• feat: Remove Auto Add Agentic Flows at startup by @edwinjosechittilappilly in #11058
• feat: Sync read and write functionality in file comps by @erichare in #11048
• feat: Support instance caching for docling by @erichare in #11030
• feat: add ollama get models logic with capabilities check by @edwinjosechittilappilly in #11157
• feat: fix async tests by @edwinjosechittilappilly in #11176
• feat: add terminal node detection to Graph class by @Jkavia in #10789
• feat: update Ace Editor's theme, border, background, and add mode-aware styling by @rodrigosnader in #8894
• feat: Add asymmetric JWT authentication with RS256/RS512 support by @Cristhianzl in #10755
• feat: Improvements to Sticky Notes by @deon-sanchez in #11057
• feat: Add Message support to Smart Transform component by @rodrigosnader in #11160
• feat: Add customizable HTTP headers support to MCPToolsComponent by @Cristhianzl in #11023
• feat: Add specialized handler for tool calling improvements by @Cristhianzl in #10857
• feat: add Mustache template support for prompts by @ogabrielluiz in #9876
• feat: Create controller shell and schema model for new workflow API by @Jkavia in #11111
• feat: add context menu functionality to edges by @viktoravelino in #11241
• feat: add versioned hash to component index by @jordanrfrazier in #11244
• (feat) Dev APIs: Add lifecycle events with AGUI protocol by @dkaushik94 in #10780
• feat: add text operations component by @Empreiteiro in #11201
• feat: stream_tool_updates option to show tool calls in playground chat by @stevehaertel in #10928
• feat: add agenctic ux v0 with component generator by @edwinjosechittilappilly in #11286
• feat: Add functionality to expand compact flow format by @ogabrielluiz in #10785
• feat: adds markdown as an output for the URL component by @philnash in #11312
• feat: Model Provider Input Patches for Design by @deon-sanchez in #11218
• feat: Add pluggable services architecture in lfx and comprehensive testing by @ogabrielluiz in #10111
• feat: introduce component hash history by @jordanrfrazier in #11311
• feat: Add global variable support for MCP server headers by @stevehaertel in #11300
• feat: Add PUT endpoint for flows upsert by @ogabrielluiz in #11368
• feat: Add Available Models Support for Embeddings component by @edwinjosechittilappilly in #11320
• feat: Implement synchronous workflow execution API by @Jkavia in #11255
• feat: Modular dependency installation for langflow-base by @ogabrielluiz in #6732
• feat: Add global variable mode to TextInputComponent by @edwinjosechittilappilly in #11420
• feat: Transform sticky notes to compact 260x100px rectangles by @rodrigosnader in #10149
• feat(api): Add real-time SSE support for webhook flow execution by @Cristhianzl in #11028
• feat: Allow renaming and deleting the Starter Project folder by @viktoravelino in #11462
• feat: Job execution status endpoint, status tracking, DB models by @dkaushik94 in #11438
• feat: Implement initial Langflow Assistant API with streaming support by @Cristhianzl in #11374
• feat: add Gemini 3 models by @edwinjosechittilappilly in #11393
• feat(loop): implement isolated subgraph execution for LoopComponent by @ogabrielluiz in #11034
• feat: Missing 'Disconnect' Option in Model Providers Settings by @deon-sanchez in #11373
• feat: add copy functionality to output modal with tooltip support by @viktoravelino in #11493
• feat: Add Python flow execution support for Assistant by @Cristhianzl in #11553
• feat: fork branch for main by @Wallgau in #11183
• feat: update pre-release flow to be useable for qa by @Adam-Aghili in #11322
• feat: adds inspection panel to show node inputs by @lucaseduoli in #11263
• feat: create guardrails component by @Empreiteiro in #11451
• feat(auth): Pluggable AuthService with abstract base class by @ogabrielluiz in #10702
• feat: update opensearch component with raw search component by @edwinjosechittilappilly in #11491
• feat: add smart column ordering and clean output toggle to Split Text component by @viktoravelino in #11626
• feat: merge Release v1.8.0 into main by @vjgit96 in #11827
• feat: use uv sources for CPU-only PyTorch by @RamGopalSrikar in #11833
• feat: comment out ep release from nightly release by @Adam-Aghili in #11888
• feat: Re-add OSS/enterprise plugin support with safe SSO migration by @HimavarshaVS in #11879
• feat: updates to Docling Remote and Chunker components by @ricofurtado in #11684
• feat: token usage tracking in responses api by @phact in #11302
• feat: use uv sources for CPU-only PyTorch by @RamGopalSrikar in #11884
• feat: lazy load imports for language model component by @jordanrfrazier in #11737
• feat: generate requirements.txt from dependencies by @jordanrfrazier in #11810
• feat: Opensearch update and parameterise timeouts by @edwinjosechittilappilly in #11881
• feat: add litellm component by @jordanrfrazier in #11805
• feat: Add Openlayer Integration by @viniciusdsmello in #10699
• feat: Add full provider variable metadata and multi-variable support by @edwinjosechittilappilly in #11446
• feat: Update model metadata for Anthropic, Google, OpenAI by @edwinjosechittilappilly in https://github.com/langflow-ai/lang...

1.8.0.rc6

What's Changed

✨ New Features

• feat: add flow version control by @jordanrfrazier in #11859
• feat: Support the new ModelInput in Astra DB by @erichare in #11203
• feat(lfx): add adapter registries by @HzaRashid in #11990

🐛 Bug Fixes

• fix: coerce UUID session_id to string in ChatOutputResponse by @HzaRashid in #11958
• fix: Custom Component Generator Template contains broken URLs returning 404 errors by @olayinkaadelakun in #11866
• fix: MCP Server Modal Improvements by @deon-sanchez in #12017
• fix: knowledge Base Table — Row Icon Appears Clipped/Cut for Some Entries by @deon-sanchez in #12009
• fix: change loop description by @deon-sanchez in #12018
• fix: playground does not scroll down to the latest user message upon sending (Regression) by @deon-sanchez in #12006
• fix: Knowledge Base Improvements by @deon-sanchez in #12023
• fix: standardize "README" title and update API key configuration notes in 3 main flow templates by @deon-sanchez in #12005
• fix(test): Reduce response length assertions in flaky integration tests by @Cristhianzl in #12057

Full Changelog: 1.8.0.rc5...1.8.0.rc6

1.8.0.rc5

What's Changed

✨ New Features

• feat: schemas for pluggable deployment service by @HzaRashid in #11979
• feat: Add Concatenate and Merge operations to DataFrame Operations by @Cristhianzl in #11601
• feat: add secret key rotation script and documentation by @ogabrielluiz in #10978

🐛 Bug Fixes

• fix: Sanitize database credentials in error messages by @Cristhianzl in #11621
• fix: Resolve ruff check failures in lfx deployment service by @ogabrielluiz in #11992
• fix: update pydantic to 2.12.5 for fastapi-pagination compatibility by @ogabrielluiz in #11566

Others

• ci: add lfx paths to CI path filters by @ogabrielluiz in #11212

Full Changelog: 1.8.0.rc4...1.8.0.rc5

1.8.0.rc4

What's Changed

✨ New Features

• feat: traces v0 by @Adam-Aghili in #11689

🐛 Bug Fixes

• fix(test): Fix superuser timeout test errors by replacing heavy client fixture by @Cristhianzl in #11972
• fix: Fixes Kubernetes deployment crash on runtime_port parsing by @ogabrielluiz in #11968

Others

• chore: remove CodeFlash integration by @ogabrielluiz in #11670
• chore: clean up files created during testing by @Adam-Aghili in #11844

Full Changelog: 1.8.0.rc3...1.8.0.rc4

1.8.0.rc3

What's Changed

✨ New Features

• feat: merge Release v1.8.0 into main by @vjgit96 in #11827
• feat: use uv sources for CPU-only PyTorch by @RamGopalSrikar in #11833
• feat: comment out ep release from nightly release by @Adam-Aghili in #11888
• feat: Re-add OSS/enterprise plugin support with safe SSO migration by @HimavarshaVS in #11879
• feat: updates to Docling Remote and Chunker components by @ricofurtado in #11684
• feat: token usage tracking in responses api by @phact in #11302
• feat: use uv sources for CPU-only PyTorch by @RamGopalSrikar in #11884
• feat: lazy load imports for language model component by @jordanrfrazier in #11737
• feat: generate requirements.txt from dependencies by @jordanrfrazier in #11810
• feat: Opensearch update and parameterise timeouts by @edwinjosechittilappilly in #11881
• feat: add litellm component by @jordanrfrazier in #11805
• feat: Add Openlayer Integration by @viniciusdsmello in #10699
• feat: Add full provider variable metadata and multi-variable support by @edwinjosechittilappilly in #11446
• feat: Update model metadata for Anthropic, Google, OpenAI by @edwinjosechittilappilly in #11916
• feat: add functionality to merge file upload and folder upload by @olayinkaadelakun in #11604
• feat: agentics IBM bundle by @gliozzo in #11490
• feat: KnowledgeBase Enhancements + Knowledge Ingestion flow + Polymorphic Job Tracking by @deon-sanchez in #11541

🐛 Bug Fixes

• fix: add iter method to noopresult by @HzaRashid in #11517
• fix: add public config endpoint to fix shareable playground grey screen by @RamGopalSrikar in #11606
• fix: improve condition check for streaming token callback in handle_on_chain_stream by @ricofurtado in #11362
• fix: default remote code execution in CSV agent by @Adam-Aghili in #11762
• fix: add better stream error handling to openai responses api by @lucaseduoli in #11467
• fix: correctly pass headers in mcp stdio connections by @jordanrfrazier in #11804
• fix: uvx split command by @jordanrfrazier in #11835
• fix: Clear input fields data operations by @HimavarshaVS in #11773
• fix: Add plugin to load routes by @HimavarshaVS in #11759
• fix: reduce Node.js heap size to 4GB in Docker builds to prevent OOM by @vjgit96 in #11872
• fix: Inconsistent Toggle Visual State in Admin User Edit by @deon-sanchez in #11757
• fix: api component sending body with GET requests by @mendonk in #11828
• fix: Persistent Tooltip on Open Table Modal (Headers) by @olayinkaadelakun in #11865
• fix: reduce visual lag in frontend by @jordanrfrazier in #11686
• fix: add handle to file input to be able to receive text by @lucaseduoli in #11825
• fix(tests): Resolve caio context leak causing EAGAIN on CI by @Cristhianzl in #11936
• fix: add ModelInput to listed components by @HimavarshaVS in #11886
• fix: preserve [complete] extra in langflow-base pre-release constraint by @vjgit96 in #11931
• fix: upgrade opentelemetry stack by @Adam-Aghili in #11933
• fix: search filter for agent component by @jordanrfrazier in #11939

📝 Documentation Updates

• docs: llms.txt and llms-full.txt by @mendonk in #11786
• docs: require postgresql version 15 by @mendonk in #11806
• docs: import code by line number by @mendonk in #11793
• docs: use npm in makefile and cursor rules by @mendonk in #11784
• docs: azure default temperature by @mendonk in #11829
• docs: CSV agent RCE by @mendonk in #11798
• docs: Add AGENTS.md development guide by @Cristhianzl in #11922

🛠 Maintenance Tasks

• refactor: inspection panel and playground by @viktoravelino in #11907

✅ Tests

• test: add wait for selector in mcp server tests by @jordanrfrazier in #11883
• test: Fix unawaited coroutine warnings in Ollama mock tests by @Cristhianzl in #11930

Others

• fix-le-354: Fixing 404 error response by @dkaushik94 in #11760
• chore: use self hosted ephemeral runner by @Adam-Aghili in #11253
• docs: OpenAPI spec content updated without version change by @github-actions[bot] in #11787
• Revert "fix: Add plugin to load routes" by @HimavarshaVS in #11878
• Revert "feat: use uv sources for CPU-only PyTorch (#11833)" by @Adam-Aghili in #11882
• chore: onnxruntime<=1.23 by @Adam-Aghili in #11889
• LE-270: Hydration and Console Log error by @olayinkaadelakun in #11628
• ci: wire pre_release input to cross-platform tests by @vjgit96 in #11925
• chore: add AGENTS.md for AI coding agents by @ogabrielluiz in #11411
• chore: fix litellm icon, move to bundles by @jordanrfrazier in #11938

New Contributors

• @viniciusdsmello made their first contribution in #10699
• @gliozzo made their first contribution in #11490

Full Changelog: 1.8.0.rc2...1.8.0.rc3

1.8.0.rc2

What's Changed

✨ New Features

• feat: add smart column ordering and clean output toggle to Split Text component by @viktoravelino in #11626

🐛 Bug Fixes

• fix(test): Skip Tavily API key fill when global variable is loaded by @Cristhianzl in #11733

Full Changelog: 1.8.0.rc1...1.8.0.rc2

1.8.0.rc1

What's Changed

✨ New Features

• feat: create guardrails component by @Empreiteiro in #11451
• feat(auth): Pluggable AuthService with abstract base class by @ogabrielluiz in #10702
• feat: update opensearch component with raw search component by @edwinjosechittilappilly in #11491

🐛 Bug Fixes

• fix: Filter out MCP and models_and_agents categories and MCPTools component from sidebar by @olayinkaadelakun in #11513
• fix: Fix flaky Market Research test timeout on CI by @Cristhianzl in #11665
• fix: handle missing capabilities in Ollama API response by @RamGopalSrikar in #11603

📝 Documentation Updates

• docs: draft hide internal endpoints in spec by @mendonk in #11469

Others

• ci: make docs deployment manual-only by @ogabrielluiz in #11602

Full Changelog: 1.8.0.rc0...1.8.0.rc1