13.4.0 (2026-02-26)
Features
- ability to show sql in stdout (#11697) (f21d681)
- add nav counters for projects, datasets, evaluators, and prompts (#11671) (77780fc)
- add PHOENIX_MIGRATE_INDEX_CONCURRENTLY flag for rolling deployments (#11543) (058e0ca)
- add px api graphql command to Phoenix CLI (#11675) (67e8111)
- app: add BashBlock for standalone shell snippets (#11744) (6460df9)
- app: migrate bundler from Vite/Rollup to rolldown-vite (#11722) (e7d0153)
- evals: add refusal evaluator (#11718) (45a88fc)
- integration icons (#11739) (a48e93e)
- upgrade ai sdk to v6 (#11552) (b18325b)
Bug Fixes
- add gemini-3.1-pro-preview model name (#11668) (d1ab741)
- app: prevent browser caching of dev server assets (#11700) (a85dd3e)
- cost: update built-in model token prices (#11690) (96608d1)
- deps: update arize-phoenix-client to 1.29.1 (#11716) (f925730)
- dev: make dev environment work in fresh worktrees (#11746) (2b669b0)
- Flaky integration test (#11611) (23a683b)
- playground: avoid anthropic reasoning menu reshaping (#11729) (623d722)
- revise storybook deps to be rolldown compatible (#11734) (6fe365c)
- security: update dependencies in internal_docs and scripts direc… (#11749) (05d3ea4)
- ui: address additional a11y violations (#11685) (d676e62)
- ui: improve ProjectActionMenu popover alignment and dialog sizes (#11698) (dc8dd8a)
- update slack invitation link (#11612) (316833e)
- Update the copy and action of copy button for the phoenix installation (#11707) (5bffeb3)
Documentation
- add agent-assisted setup with PROMPT.md (#11672) (69f8a06)
- add Claude Agent SDK integration (#11725) (b3f0906)
- Add section for builtin evaluators (#11602) (b155892)
- add tool call eval notebook (#11741) (510e309)
- evaluators: restructure evaluator sidebar (#11616) (0ae95ca)
- openapi (#11717) (74eae4e)
- openapi symlink (#11714) (995f2ac)
- update README frameworks and providers to reflect current ecosystem (#11686) (2428fbc)