✓ No known CVEs patched
✓ No known CVEs patched in this version
Topics
agents
ai-monitoring
ai-observability
aiengineering
anthropic
datasets
+10 more
evals
langchain
llamaindex
llm-eval
llm-evaluation
llmops
llms
openai
prompt-engineering
smolagents
Affected surfaces
auth
Summary
AI summaryUpdates 19.4.0, Bug Fixes, and Miscellaneous Chores across a mixed release.
Full changelog
19.4.0 (2026-07-22)
Features
- components: align span kind icon and timeline bar colors with token treatment (#14573) (51cf276)
- components: make IDBadge the consolidated click-to-copy ID element (#14567) (9445683)
- js: upgrade phoenix-otel to openinference-vercel v3 for AI SDK v7 spans (#14563) (30f0827)
- tracing: redesign span header into identity and meta rows (#14568) (b1a6359)
Bug Fixes
- server: apply IP rate limiting when PHOENIX_HOST_ROOT_PATH is set (#14612) (5ae4b51)
- server: serve HEAD on the OAuth2/OIDC discovery documents (#14611) (9e289aa)
- ui: keep PXI button in nav beside drawers (#14577) (59d992f)
Documentation
Miscellaneous Chores
Weekly OSS security release digest.
The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.
No spam, unsubscribe anytime.
Share this release
Related context
Related tools
Earlier breaking changes
- varize-phoenix-v19.0.0 GraphQL createUserApiKey and createSystemApiKey reject API-key callers.
- varize-phoenix-v18.0.0 Changes session time-range filters to use interval-overlap semantics.
- varize-phoenix-v17.0.0 Adds system settings for admin-managed assistant enablement and trace recording policy
- varize-phoenix-v16.0.0 Sandboxing and Code Evaluators introduce breaking changes in Phoenix v16.0.0.
- varize-phoenix-v15.7.0 Removes v1 /chat route and associated code
Beta — feedback welcome: [email protected]