3.6.21 - {"cli": { "speaks_json": true } }

Enhancements ➕➕

• Add --output json support to flow ls command by @Br1an67 in #20907
• Fix match_related type hints and add Python examples for DeploymentEventTrigger by @devin-ai-integration[bot] in #20902
• Support multihost Postgres connection strings in LISTEN/NOTIFY listener by @devin-ai-integration[bot] in #20926
• Move event trimming from EventPersister to docket-based db_vacuum service by @tom21100227 in #20811
• Add --output json to task-run ls, work-pool ls, and concurrency-limit ls by @zzstoatzz in #20967
• Add --output json support to block inspect and block type inspect by @zzstoatzz in #20981
• Add --output json support to flow-run logs and task-run logs by @zzstoatzz in #20982
• Add --output json support to server services ls by @jellyfish0316 in #20983
• Add --output json support to cloud workspace and webhook commands by @zzstoatzz in #20984
• Add --output json support to work-queue ls and preview by @zzstoatzz in #20985
• Add --output json support to work-pool preview by @zzstoatzz in #20986
• Add --output json support to profile ls and config view by @zzstoatzz in #20987
• Add composite index on task_run(state_type, start_time) by @desertaxle in #20940
• Defer task worker import in CLI task command by @zzstoatzz in #20925
• Lazy-load top-level CLI command registration by @zzstoatzz in #20930
• Add centralized exit code hint registry by @desertaxle in #20959
• Add PREFECT_CLIENT_SERVER_VERSION_CHECK_ENABLED setting by @devin-ai-integration[bot] in #20973
• Cache serialized context and env vars in ProcessPoolTaskRunner.submit() by @devin-ai-integration[bot] in #20972

Bug Fixes 🐞

• Fix postgres_listener to preserve Kerberos/GSSAPI and TLS connection params by @devin-ai-integration[bot] in #20890
• Fix non-deterministic flow scanning in prefect deploy by @ashwanth0110 in #20874
• Remove Panel border from work-pool create sample code output by @Br1an67 in #20906
• Fix broken link in PrefectHTTPStatusError message by @devin-ai-integration[bot] in #20938
• Prevent Rich console from word-wrapping CLI JSON output by @zzstoatzz in #20947
• Fix database reset failing on PostgreSQL with orphaned state_id references by @devin-ai-integration[bot] in #20941
• Mark followers as seen and clean up lost follower Redis keys by @devin-ai-integration[bot] in #20955
• Fix expiration check on in-memory cache hits in ResultStore._read/_aread by @devin-ai-integration[bot] in #20988

Development & Tidiness 🧹

• Add clearer CLI benchmark regression gating feedback by @zzstoatzz in #20916
• Fix flaky test: mock git_clone in pip_install_reqs test by @devin-ai-integration[bot] in #20949
• Add apt retry configuration to Dockerfile to handle transient network errors by @devin-ai-integration[bot] in #20943

Documentation 📓

• Document prebuilt integration images and version pinning for workers by @rcash in #20893
• Improve MCP discoverability in existing docs IA by @gabcoyne in #20660
• Update rate limit docs to match unified limits by @zangell44 in #20927
• Add pull_with_block YAML example to Bitbucket integration docs by @toroleapinc in #20935
• Add missing PREFECT_API_URL env var in the self-hosted Docker Compose file by @Kiskadee-dev in #20897
• Add note about server default limit for client queries by @audreydng in #20909
• Document that deployment steps are just Python functions by @Sagargupta16 in #20956
• Minor cleanup from custom steps clarification by @zzstoatzz in #20963

Full Changelog: 3.6.20...3.6.21