v1.9.0

What's Changed

• Add FailureDetails.is_caused_by() and fully-qualified error types by andystaples in #194
• Performance [P2]: Reduce orchestration history replay allocations by Bernd Verst (@berndverst) in #204
• Performance [P2]: Defer synchronous Azure token acquisition by Bernd Verst (@berndverst) in #199
• Performance [P1]: Single-flight async Azure token refresh by Bernd Verst (@berndverst) in #198
• Performance [P2]: Reuse sandbox registration transport on retries by Bernd Verst (@berndverst) in #206
• history_export: resolve activity dependencies per invocation (retire process-global bind_context) by andystaples in #210
• Performance [P1]: Bound async worker task creation by Bernd Verst (@berndverst) in #200
• Performance [P3]: Cache Azure managed SDK version lookup by Bernd Verst (@berndverst) in #203
• Performance [P3]: Index sandbox activity overlap validation by Bernd Verst (@berndverst) in #205
• Performance [P3]: Lazily load sandbox runtime API exports by Bernd Verst (@berndverst) in #208
• Performance [P2]: Make entity method signature caching effective by Bernd Verst (@berndverst) in #202
• Performance [P2]: Cache type-discovery signature structure by Bernd Verst (@berndverst) in #207
• Add sync and async client parity by andystaples in #213
• Performance [P3]: Serialize history events in one pass by Bernd Verst (@berndverst) in #201
• Defer async client channel creation until first use by andystaples in #226
• Add orchestration send_event support by andystaples in #225

Full Changelog: v1.8.0...v1.9.0