What's Changed

• feat: add meter by @poshinchen in #219
• models - openai - images - b64 validate by @pgrayy in #251
• chore: Inline event loop helper functions by @zastrowm in #222
• feat: add structured output support using Pydantic models by @theagenticguy in #60
• fix: Emit warning that default region behavior will be changing by @zastrowm in #254
• models - openai - b64encode method by @pgrayy in #260
• chore/update metrics by @poshinchen in #248
• iterative streaming by @pgrayy in #241
• Initial A2A server Integration by @jer96 in #218
• litellm - bug in v1.73.0 by @pgrayy in #270
• Update @tool to return an AgentTool that also acts as a function by @zastrowm in #258

New Contributors

• @theagenticguy made their first contribution in #60

Full Changelog: v0.1.8...v0.1.9

What's Changed

• Fix: Enable underscores in direct method invocations to match hyphens by @zastrowm in #178
• feat: implement summarizing conversation manager by @stefanoamorelli in #112
• chore: moved truncation logic to conversation manager and added should_truncate_results by @poshinchen in #192
• refactor: Disallow similar tool names in the tool registry by @zastrowm in #193
• ci: add integration test workflow by @dbschmigelski in #201
• fix: add inference profile to litellm test and remove ownership check… by @dbschmigelski in #209
• chore: allow custom tracer provider to Agent by @poshinchen in #207
• build(a2a): add a2a deps and mitigate otel conflict by @jer96 in #232
• chore(otel): raise exception if exporter unavailable by @jer96 in #234
• fix: Update PR Integration Test Workflow by @AdnaneKhan in #237
• fix: remove unused dependency swagger-parser by @zastrowm in #220
• fix: Update throttling logic to use exponential back-off by @zastrowm in #223
• feat: Simplify contribution template + pr scripts to run by @zastrowm in #221
• docstring parser by @dbschmigelski in #239

New Contributors

• @stefanoamorelli made their first contribution in #112
• @poshinchen made their first contribution in #192
• @jer96 made their first contribution in #232
• @AdnaneKhan made their first contribution in #237

Full Changelog: v0.1.7...v0.1.8

What's Changed

• models - unsupported content types by @pgrayy in #144
• feat: Add CachePoint type definition to ContentBlock by @moritalous in #142
• [Docs] add meta copyright header by @seyeong-han in #153
• refactor: Update conversation manager interface by @Unshure in #161
• models - correct tool result content by @pgrayy in #154
• test: set OTEL_ env vars correctly for tests by @awsarron in #169
• Fix agent default callback handler by @awsarron in #170
• chore: Add permissions to workflows by @Unshure in #166
• Remove redundant permissions block by @Unshure in #172
• Fix: Preserve deeply nested schemas by @lukehau in #133
• fix: ignore mypy error from latest OpenTelemetrySDK update by @zastrowm in #180
• Add permission block to call-tst-lint job by @Unshure in #186
• fix: Handle empty choices in OpenAI model provider by @mrityunjayshukla in #185
• Remove codeowners by @zastrowm in #181
• chore: enhance error messaging when MCP tools are used without sessio… by @dbschmigelski in #175

New Contributors

• @seyeong-han made their first contribution in #153
• @lukehau made their first contribution in #133
• @mrityunjayshukla made their first contribution in #185
• @dbschmigelski made their first contribution in #175

Full Changelog: v0.1.6...v0.1.7

What's Changed

• style(callback_handler): fix docstring for PrintingCallbackHandler.call by @awsarron in #126
• chore(tests): Add unit tests for user agent changes by @clareliguori in #125
• Increasing Coverage Message Processor : From 79% to 94% by @fede-dash in #115
• feat: Add non-streaming support to BedrockModel by @Unshure in #75
• fix: Added hyphen to allowed characters in tool name validation by @xiehust in #55
• models - content - documents by @pgrayy in #138
• models - anthropic - document - plain text by @pgrayy in #141
• fix(telemetry): correct environment variable precedence for OTEL config by @JackYPCOnline in #86
• Automate deployment to PYPI by @Unshure in #145

New Contributors

• @xiehust made their first contribution in #55

Full Changelog: v0.1.5...v0.1.6

What's Changed

• models - openai - argument none by @pgrayy in #97
• docs(readme): add open PRs badge + link to samples repo + change 'Docs' to 'Documentation' by @awsarron in #100
• docs(readme): add logo by @awsarron in #101
• docs(readme): add logo, title, badges, links to other repos, standardize headings by @awsarron in #102
• style(readme): use dark logo for clearer visibility when system is using light color scheme by @awsarron in #104
• fix(readme): use logo that changes color automatically depending on user's color preference scheme by @awsarron in #105
• feat(handlers): add reasoning text to callback handler and related tests by @josephgultekin in #109
• feat: Add dynamic system prompt override functionality by @Shubhamraut01 in #108
• 🔥🕊️ Rise of the Phoenix: Event Loop Refactor by @fede-dash in #106
• fix(telemetry): fix agent span start and end when using Agent.stream_async() by @awsarron in #119
• feat: Update SlidingWindowConversationManager by @Unshure in #120
• v0.1.5 by @awsarron in #121

New Contributors

• @josephgultekin made their first contribution in #109
• @Shubhamraut01 made their first contribution in #108
• @fede-dash made their first contribution in #106

Full Changelog: v0.1.4...v0.1.5

What's Changed

• fix: Updated GitHub Action to use GitHub native approvals by @yonib05 in #67
• models - litellm - capture usage by @pgrayy in #73
• fixing various typos in markdowns and scripts by @didier-durand in #74
• fix(docs): add missing quotation marks in pip install commands by @JackYPCOnline in #80
• fix: Merge strands-agents user agent into existing botocore config by @clareliguori in #76
• feature: models - openai by @pgrayy in #65
• fixing typos in .py and .md by @didier-durand in #78
• docs: update contributing guide to manage python env with hatch shell by @wzxxing in #46
• Add ensure_ascii=False to json.dumps() calls in telemetry tracer by @moritalous in #37
• lint - openai client protocol by @pgrayy in #87
• Lower OpenTelemetry minimum version by @zastrowm in #89

New Contributors

• @didier-durand made their first contribution in #74
• @JackYPCOnline made their first contribution in #80
• @wzxxing made their first contribution in #46
• @moritalous made their first contribution in #37

Full Changelog: v0.1.3...v0.1.4

What's Changed

• fix: update direct tool call references by @cagataycali in #56
• Update README.md - corrected spelling of "model" by @samisb in #59
• style guide by @pgrayy in #49
• Update version to 0.1.3 by @Unshure in #63

New Contributors

• @cagataycali made their first contribution in #56
• @samisb made their first contribution in #59

What's Changed

• Update README.md mention of tools repo by @ryanycoleman in #29
• Update README to mention Meta Llama API as a supported model provider by @ryanycoleman in #21
• fix: tracing of non-serializable values, e.g. bytes by @awsarron in #34
• fix(bedrock): use the AWS_REGION environment variable for the Bedrock model provider region if set and boto_session is not passed by @awsarron in #39
• v0.1.2 by @awsarron in #41

New Contributors

• @ryanycoleman made their first contribution in #29

Full Changelog: v0.1.1...test

What's Changed

• Update the PyPI package description by @zastrowm in #15
• docs: update README with LlamaAPI by @yanxi0830 in #18
• Update readme to include badges by @zastrowm in #17
• actions: fix docs dispatch by @pgrayy in #19
• actions: remove dispatch docs by @pgrayy in #22
• fix: set user-agent for Bedrock API calls by @clareliguori in #23
• v0.1.1 release by @Unshure in #26

New Contributors

• @zastrowm made their first contribution in #15
• @clareliguori made their first contribution in #23

Full Changelog: v0.1.0...v0.1.1

Strands Agents SDK intertwines the twin strands of agents and tools, creating an SDK where autonomous intelligence can evolve.