v2.3.0 (2026-07-01)

What's Changed

🚀 Features

• Add native Z.AI (Zhipu AI) provider with thinking support by @eliasaronson in #4273

🐛 Bug Fixes

• fix(test): set provider_name on TestModel non-streaming responses by @syf2211 in #6066
• Keep Bedrock tool results non-empty for empty lists by @Whning0513 in #6155
• fix(huggingface): don't silently drop file content in tool returns by @HaozheZhang6 in #5881
• fix: skip OpenAI thinking-only chat history messages by @adtyavrdhn in #6182
• Don't send defer_loading without tool_search on models without native tool search by @adtyavrdhn in #6144
• Route remaining instrumentation serialization through safe_to_json by @dsfaccini in #6073
• fix: reconstruct multimodal ToolReturnPart.content via a ToolReturnContent discriminator by @DouweM in #6191
• Fix AGUIAdapter.dump_messages reordering ToolReturnPart after UserPromptPart by @amarjaleelbanbhan in #5969
• fix: track new_messages() boundary by position so a rebuilt resumed request isn't leaked by @klplentific in #6034
• Preserve tool_kind in Vercel AI and AG-UI message round-trips by @adtyavrdhn in #5873
• Make durable-exec MCP get_tools caching replay-deterministic by @dsfaccini in #5883
• Preserve FilePart.content.vendor_metadata in AG-UI and Vercel AI adapter round-trips by @Navaneethp007 in #6095
• Resolve dynamic toolset get_instructions in an activity under Temporal by @dsfaccini in #5925

New Contributors

• @Whning0513 made their first contribution in #6155
• @eliasaronson made their first contribution in #4273
• @amarjaleelbanbhan made their first contribution in #5969
• @klplentific made their first contribution in #6034
• @Navaneethp007 made their first contribution in #6095

Full Changelog: v2.2.0...v2.3.0