2.52.0a6

This is an alpha release for internal testing.

2.53.0

Bug Fixes 🐛

Openai Agents

• Patch execute_final_output() functions following library refactor by @alexander-alderman-webb in #5453
• Patch execute_handoffs() functions following library refactor by @alexander-alderman-webb in #5452
• Patch run_single_turn_streamed() functions following library refactor by @alexander-alderman-webb in #5451
• Patch run_single_turn() functions following library refactor by @alexander-alderman-webb in #5450
• Patch models functions following library refactor by @alexander-alderman-webb in #5449
• Patch tool functions following library refactor by @alexander-alderman-webb in #5445

Other

• Close the connection we're reading driver_type from by @sentrivana in #5427

Documentation 📚

• Document openai-agents control-flow by @alexander-alderman-webb in #5447

Internal Changes 🔧

Openai Agents

• New tool field and library error log by @alexander-alderman-webb in #5454
• Avoid calling SDK-internal functions by @alexander-alderman-webb in #5437

Other

• Improve Craft config with title stripping and artifact filtering by @BYK in #5444
• Use fixed clickhouse action, remove aws-sam-cli dependency by @sentrivana in #5457
• Remove references to unsupported attribute types by @alexander-alderman-webb in #5425
• Pin setuptools for linting and chalice tests by @alexander-alderman-webb in #5438

2.52.0a5

Documentation 📚

• Document openai-agents control-flow by @alexander-alderman-webb in #5447

Internal Changes 🔧

• (ci) Improve Craft config with title stripping and artifact filtering by @BYK in #5444
• (openai-agents) Avoid calling SDK-internal functions by @alexander-alderman-webb in #5437
• Remove references to unsupported attribute types by @alexander-alderman-webb in #5425

Other

• [do not merge] feat: Span streaming & new span API by @sentrivana in #5317

2.52.0a4

• [do not merge] feat: Span streaming & new span API by @sentrivana in #5317

2.52.0a3

New Features ✨

• feat(integration): add gen_ai.conversation.id if available by @constantinius in #5307

Bug Fixes 🐛

Mcp

• fix(mcp): Nest MCP spans under HTTP transactions by @alexander-alderman-webb in #5292
• fix(mcp): Handle all awaitable return types by @alexander-alderman-webb in #5415

Span Streaming

• fix(span-streaming): Always preserialize attributes by @sentrivana in #5407
• fix(span-streaming): Warn about thread usage if any batcher is active by @sentrivana in #5408

Other

• fix(anthropic): Token reporting by @alexander-alderman-webb in #5403
• fix(celery): Close the connection we're reading driver_type from by @sentrivana in #5427
• fix(google-genai): Token reporting by @alexander-alderman-webb in #5404
• fix(openai): Token reporting by @alexander-alderman-webb in #5406
• fix(openai-agents): Inject propagation headers for HostedMCPTool when streaming by @alexander-alderman-webb in #5405
• fix: Fix list attribute type by @sentrivana in #5417
• fix: Adapt to new packaging in toxgen by @sentrivana in #5382

Internal Changes 🔧

Fastmcp

• test(fastmcp): Wrap prompt in Message by @alexander-alderman-webb in #5411
• test(fastmcp): Remove test_fastmcp_without_request_context() by @alexander-alderman-webb in #5412
• test(fastmcp): Use AsyncClient for SSE by @alexander-alderman-webb in #5400
• test(fastmcp): Use TestClient for Streamable HTTP by @alexander-alderman-webb in #5384
• test(fastmcp): Simulate stdio transport with memory streams by @alexander-alderman-webb in #5333

Mcp

• test(mcp): Use AsyncClient for SSE by @alexander-alderman-webb in #5396
• test(mcp): Use TestClient for Streamable HTTP by @alexander-alderman-webb in #5383
• test(mcp): Remove unused stdio helpers by @alexander-alderman-webb in #5409

Other

• ci: Pin setuptools for linting and chalice tests by @alexander-alderman-webb in #5438
• ci: Fix lint step by @sentrivana in #5418
• ci: 🤖 Update test matrix with new releases (02/02) by @github-actions in #5413
• ci: Update tox and pin packaging version for tox by @alexander-alderman-webb in #5381

Other

• [do not merge] feat: Span streaming & new span API by @sentrivana in #5317
• Update CHANGELOG.md by @alexander-alderman-webb in bcec5780
• release: 2.52.0 by @alexander-alderman-webb in 3d2154ce
• Revert "feat(ai): Add original input length meta attribute (#5375)" by @alexander-alderman-webb in #5419

2.52.0

New Features ✨

Other

• feat(integration): add gen_ai.conversation.id if available by @constantinius in #5307

Bug Fixes 🐛

Google Genai

• fix(google-genai): Token reporting by @alexander-alderman-webb in #5404
• fix(google-genai): deactivate google genai when langchain is used by @shellmayr in #5389

Mcp

• fix(mcp): Nest MCP spans under HTTP transactions by @alexander-alderman-webb in #5292
• fix(mcp): Handle all awaitable return types by @alexander-alderman-webb in #5415

Other

• fix(anthropic): Token reporting by @alexander-alderman-webb in #5403
• fix(arq): handle settings_cls passed as keyword argument by @nc9 in #5393
• fix(dramatiq): cleanup isolated scope and transaction when message is skipped by @frankie567 in #5346
• fix(openai): Token reporting by @alexander-alderman-webb in #5406
• fix(openai-agents): Inject propagation headers for HostedMCPTool when streaming by @alexander-alderman-webb in #5405
• fix: Fix list attribute type by @sentrivana in #5417
• fix: Adapt to new packaging in toxgen by @sentrivana in #5382

Internal Changes 🔧

Fastmcp

• test(fastmcp): Wrap prompt in Message by @alexander-alderman-webb in #5411
• test(fastmcp): Remove test_fastmcp_without_request_context() by @alexander-alderman-webb in #5412
• test(fastmcp): Use AsyncClient for SSE by @alexander-alderman-webb in #5400
• test(fastmcp): Use TestClient for Streamable HTTP by @alexander-alderman-webb in #5384
• test(fastmcp): Simulate stdio transport with memory streams by @alexander-alderman-webb in #5333

Mcp

• test(mcp): Use AsyncClient for SSE by @alexander-alderman-webb in #5396
• test(mcp): Use TestClient for Streamable HTTP by @alexander-alderman-webb in #5383
• test(mcp): Remove unused stdio helpers by @alexander-alderman-webb in #5409
• test(mcp): Simulate stdio transport with memory streams by @alexander-alderman-webb in #5329

Other

• ci: Fix lint step by @sentrivana in #5418
• ci: 🤖 Update test matrix with new releases (02/02) by @github-actions in #5413
• ci: Update tox and pin packaging version for tox by @alexander-alderman-webb in #5381
• ci: migration to the new codecov action by @MathurAditya724 in #5392

Other

• Revert "feat(ai): Add original input length meta attribute (#5375)" by @alexander-alderman-webb in #5419

2.52.0a2

New Features ✨

Span Streaming

• feat(span-streaming): Add spans to telemetry pipeline, add span name and attributes (3) by @sentrivana in #5399
• feat(span-streaming): Add span batcher (2) by @sentrivana in #5398

Internal Changes 🔧

• test(mcp): Simulate stdio transport with memory streams by @alexander-alderman-webb in #5329

Other

• [do not merge] feat: Span streaming & new span API by @sentrivana in #5317

2.52.0a1

New Features ✨

Openai

• feat(openai): Set system instruction attribute for Responses API by @alexander-alderman-webb in #5376
• feat(openai): Set system instruction attribute for Completions API by @alexander-alderman-webb in #5358

Other

• feat(ai): Add original input length meta attribute by @alexander-alderman-webb in #5375
• feat(openai-agents): Set system instruction attribute on gen_ai.chat spans by @alexander-alderman-webb in #5370
• feat(span-streaming): Add experimental trace_lifecycle switch (1) by @sentrivana in #5397
• feat(transport): Report 413 responses for oversized envelopes by @alexander-alderman-webb in #5380

Bug Fixes 🐛

• fix(ai): Keep single content input message by @alexander-alderman-webb in #5345
• fix(arq): handle settings_cls passed as keyword argument by @nc9 in #5393
• fix(dramatiq): cleanup isolated scope and transaction when message is skipped by @frankie567 in #5346
• fix(google-genai): deactivate google genai when langchain is used by @shellmayr in #5389

Internal Changes 🔧

• ci: migration to the new codecov action by @MathurAditya724 in #5392
• ref: Replace set_data_normalized() with Span.set_data() for system instructions by @alexander-alderman-webb in #5374

Other

• [do not merge] feat: Span streaming & new span API by @sentrivana in #5317
• Update CHANGELOG.md by @alexander-alderman-webb in 8517eb0a
• release: 2.51.0 by @alexander-alderman-webb in 93e89e4c

2.51.0

New Features ✨

Openai

• feat(openai): Set system instruction attribute for Responses API by @alexander-alderman-webb in #5376
• feat(openai): Set system instruction attribute for Completions API by @alexander-alderman-webb in #5358
• feat(integrations): OpenAI/OpenAI Agents detect and report the time to first token metric (TTFT) as gen_ai.response.time_to_first_token by @constantinius in #5348

Openai Agents

• feat(openai-agents): Set system instruction attribute on gen_ai.chat spans by @alexander-alderman-webb in #5370
• feat(openai-agents): Set system instruction attribute by @alexander-alderman-webb in #5355
• feat(integrations): openai-agents streaming support by @constantinius in #5291

Other

• feat(ai): Add original input length meta attribute by @alexander-alderman-webb in #5375
• feat(anthropic): Set system instruction attribute by @alexander-alderman-webb in #5353
• feat(asyncio): Allow to turn task spans off by @sentrivana in #5367
• feat(gen_ai): add function set_conversation_id and managing functions on the Scope and apply it on the Span on .finish() by @constantinius in #5362
• feat(google-genai): Set system instruction attribute by @alexander-alderman-webb in #5354
• feat(langchain): Set system instruction attribute by @alexander-alderman-webb in #5357
• feat(pydantic-ai): Set system instruction attribute by @alexander-alderman-webb in #5356
• feat(transport): Report 413 responses for oversized envelopes by @alexander-alderman-webb in #5380

Bug Fixes 🐛

• fix(ai): Keep single content input message by @alexander-alderman-webb in #5345

Internal Changes 🔧

• ci(release): Fix changelog-preview permissions by @BYK in #5368
• ref: Replace set_data_normalized() with Span.set_data() for system instructions by @alexander-alderman-webb in #5374
• ci: Fix path in AI integration tests by @alexander-alderman-webb in #5347

2.51.0a1

New Features ✨

Integrations

• feat(integrations): OpenAI/OpenAI Agents detect and report the time to first token metric (TTFT) as gen_ai.response.time_to_first_token by @constantinius in #5348
• feat(integrations): openai-agents streaming support by @constantinius in #5291

Other

• feat(anthropic): Set system instruction attribute by @alexander-alderman-webb in #5353
• feat(asyncio): Allow to turn task spans off by @sentrivana in #5367
• feat(gen_ai): add function set_conversation_id and managing functions on the Scope and apply it on the Span on .finish() by @constantinius in #5362
• feat(google-genai): Set system instruction attribute by @alexander-alderman-webb in #5354
• feat(langchain): Set system instruction attribute by @alexander-alderman-webb in #5357
• feat(openai-agents): Set system instruction attribute by @alexander-alderman-webb in #5355
• feat(pydantic-ai): Set system instruction attribute by @alexander-alderman-webb in #5356

Internal Changes 🔧

• ci(release): Fix changelog-preview permissions by @BYK in #5368
• ci: Fix path in AI integration tests by @alexander-alderman-webb in #5347

Other

• [do not merge] feat: Span streaming & new span API by @sentrivana in #5317