15.12.0 (2026-05-21)
Features
- agents: stamp tool execution environment on tool-call provider metadata (#13277) (ef421e5)
- ui: submit elicitation responses with Enter key (#13288) (c74574d)
Bug Fixes
- app: prevent nested spans table scrolling (#13320) (af751b6)
- app: route PXI markdown links through router (#13345) (7490254)
- cost: update built-in model token prices (#13346) (eceff55)
- playground: block custom base URL paired with env-var provider key (#13377) (bb31a52)
- playground: drop dated model deployments from picker lists (#13362) (0068159)
- playground: show View Trace link on errored runs when span exists (#13355) (80ced9f), closes #13130