arize-phoenix: v19.4.0

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

• advertise remote MCP server in README (#14574) (37fb247)

Miscellaneous Chores

• release arize-phoenix 19.4.0 (#14590) (7435236)