chore(main): release 1.3.0 (#1359)

🤖 I have created a release *beep* *boop*
---


##
[1.3.0](v1.2.3...v1.3.0)
(2026-10-27)


### Features

* **server:** release parked interrupted tasks after a configurable
timeout ([#1338](#1338))
([b22a68d](b22a68d))


### Bug Fixes

* **client:** Create separate httpx per client when none configured
([#1358](#1358))
([d316d0e](d316d0e))
* **client:** raise A2A errors for malformed JSON-RPC responses
([#1375](#1375))
([7e55413](7e55413))
* **client:** rejections from unrecognized fields
([#1354](#1354))
([91929cd](91929cd))
* **compat:** keep an unset v0.3 status message and provider as None
([#1362](#1362))
([cdb4799](cdb4799)),
closes [#1361](#1361)
* **compat:** return A2A error codes from the v0.3 JSON-RPC adapter
([#1369](#1369))
([8e32d53](8e32d53))
* **compat:** set last_updated when storing a task in v0.3 format
([#1372](#1372))
([30b6d50](30b6d50)),
closes [#1371](#1371)
* **core:** restore structured __repr__ on A2A exceptions
([#1348](#1348))
([79a6f45](79a6f45))
* **server:** allow recovery after status event validation fails
([#1365](#1365))
([ca3ef0d](ca3ef0d))
* **server:** apply history_length to legacy streaming sends
([#1364](#1364))
([261c074](261c074))
* **server:** include legacy task states in database list filters
([#1337](#1337))
([e12d494](e12d494))
* **server:** record executor failures through the event consumer
([#1366](#1366))
([ad85806](ad85806))
* **server:** reject boolean JSON-RPC request IDs
([#1350](#1350))
([05392b3](05392b3))
* skip malformed agent card signature headers
([#1335](#1335))
([b21a144](b21a144))


### Documentation

* **helpers:** note that whole numbers in a data Part come back as
floats ([#1373](#1373))
([654774f](654774f))


### Miscellaneous Chores

* release 1.3.0
([#1389](#1389))
([fb6373f](fb6373f))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: mykytanetipa <mykytanetipa@google.com>

Author: a2a-bot

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "1.2.3"
+  ".": "1.3.0"
 }

CHANGELOG.md

@@ -1,5 +1,39 @@
 # Changelog
 
+## [1.3.0](https://github.com/a2aproject/a2a-python/compare/v1.2.3...v1.3.0) (2026-10-27)
+
+
+### Features
+
+* **server:** release parked interrupted tasks after a configurable timeout ([#1338](https://github.com/a2aproject/a2a-python/issues/1338)) ([b22a68d](https://github.com/a2aproject/a2a-python/commit/b22a68d242c32edddaa8953d0040ca82897e0b9b))
+
+
+### Bug Fixes
+
+* **client:** Create separate httpx per client when none configured ([#1358](https://github.com/a2aproject/a2a-python/issues/1358)) ([d316d0e](https://github.com/a2aproject/a2a-python/commit/d316d0e85e4d229df261d0cee0e9d9c0e5263207))
+* **client:** raise A2A errors for malformed JSON-RPC responses ([#1375](https://github.com/a2aproject/a2a-python/issues/1375)) ([7e55413](https://github.com/a2aproject/a2a-python/commit/7e554137514b693cc952e6544a9eaf36c7d56643))
+* **client:** rejections from unrecognized fields ([#1354](https://github.com/a2aproject/a2a-python/issues/1354)) ([91929cd](https://github.com/a2aproject/a2a-python/commit/91929cda989caba089584ceafa7796583f25bec4))
+* **compat:** keep an unset v0.3 status message and provider as None ([#1362](https://github.com/a2aproject/a2a-python/issues/1362)) ([cdb4799](https://github.com/a2aproject/a2a-python/commit/cdb479957e81600f68f946f8ff0122667673cb35)), closes [#1361](https://github.com/a2aproject/a2a-python/issues/1361)
+* **compat:** return A2A error codes from the v0.3 JSON-RPC adapter ([#1369](https://github.com/a2aproject/a2a-python/issues/1369)) ([8e32d53](https://github.com/a2aproject/a2a-python/commit/8e32d53173f8924beb7df0d3210e28a9fe9020f9))
+* **compat:** set last_updated when storing a task in v0.3 format ([#1372](https://github.com/a2aproject/a2a-python/issues/1372)) ([30b6d50](https://github.com/a2aproject/a2a-python/commit/30b6d5067a9256447e3d5324163b091fc4bbad74)), closes [#1371](https://github.com/a2aproject/a2a-python/issues/1371)
+* **core:** restore structured __repr__ on A2A exceptions ([#1348](https://github.com/a2aproject/a2a-python/issues/1348)) ([79a6f45](https://github.com/a2aproject/a2a-python/commit/79a6f451f49fdeaec099d723542363b5bc6dead7))
+* **server:** allow recovery after status event validation fails ([#1365](https://github.com/a2aproject/a2a-python/issues/1365)) ([ca3ef0d](https://github.com/a2aproject/a2a-python/commit/ca3ef0d6c63384228db88d4984536a8189831d08))
+* **server:** apply history_length to legacy streaming sends ([#1364](https://github.com/a2aproject/a2a-python/issues/1364)) ([261c074](https://github.com/a2aproject/a2a-python/commit/261c074aa4de522dfa609882666c98c5bd1a52d0))
+* **server:** include legacy task states in database list filters ([#1337](https://github.com/a2aproject/a2a-python/issues/1337)) ([e12d494](https://github.com/a2aproject/a2a-python/commit/e12d494b4136351d5b5d07b5c6beae95a500fc4e))
+* **server:** record executor failures through the event consumer ([#1366](https://github.com/a2aproject/a2a-python/issues/1366)) ([ad85806](https://github.com/a2aproject/a2a-python/commit/ad85806d9e43249eef5e3ad9724b0a5540cf99fb))
+* **server:** reject boolean JSON-RPC request IDs ([#1350](https://github.com/a2aproject/a2a-python/issues/1350)) ([05392b3](https://github.com/a2aproject/a2a-python/commit/05392b373f70fea18349b8c66bfffb669b3b1137))
+* skip malformed agent card signature headers ([#1335](https://github.com/a2aproject/a2a-python/issues/1335)) ([b21a144](https://github.com/a2aproject/a2a-python/commit/b21a1445c8e3a4dcd9edfa1d23e7e6af8382d8b7))
+
+
+### Documentation
+
+* **helpers:** note that whole numbers in a data Part come back as floats ([#1373](https://github.com/a2aproject/a2a-python/issues/1373)) ([654774f](https://github.com/a2aproject/a2a-python/commit/654774f3d43b471e17fc2c6901998c71015ec450))
+
+
+### Miscellaneous Chores
+
+* release 1.3.0 ([#1389](https://github.com/a2aproject/a2a-python/issues/1389)) ([fb6373f](https://github.com/a2aproject/a2a-python/commit/fb6373f2e4bad3c9e6130325dd2ba092749f8998))
+
 ## [1.2.3](https://github.com/a2aproject/a2a-python/compare/v1.2.2...v1.2.3) (2026-10-17)