v1.2.3

1.2.3 (2026-10-17)

Bug Fixes

• client: ignore the patch version when preferring a 1.0 interface (#1304) (cbb2d84)
• client: normalize malformed agent card parsing errors (#1307) (486f0f6)
• compat: block on a v0.3 gRPC and REST send without configuration (#1334) (8160310), closes #1321
• compat: treat a v0.3 history_length of 0 as unlimited in JSON-RPC and REST (#1312) (e86695c)
• jcs: count open containers for the nesting bound, so an empty container leaf is refused (#1294) (5653daf)
• server: isolate push notification failures from the task lifecycle (#1329) (0ee47d7)
• server: mark internal lifecycle events done so a cancelled stream frees its producer (#1336) (a4c4fc9)
• server: reject push URLs in shared address space (#1326) (01da00b)
• server: release the ActiveTask after a direct Message response (#1297) (49ebce6)
• server: run follow-up messages in the sender's contextvars (#1317) (a016002)
• server: warn when an AgentCard is missing required fields (#1279) (4f4101c)
• telemetry: let trace_function alone decide a span's status (#1309) (59dcbfb)