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


## [1.0.0](v0.3.0...v1.0.0)
(2026-03-12)


### ⚠ BREAKING CHANGES

* **spec:** Combine `TaskPushNotificationConfig` and
`PushNotificationConfig`
([#1500](#1500))
* **spec:** remove duplicated ID from the create task push config
request ([#1487](#1487))
* **spec:** pluralize configs in `ListTaskPushNotificationConfigs`
([#1486](#1486))
* **spec:** Add LF prefix to the package.
([#1474](#1474))
* **spec:** Switch to non-complex IDs in requests
([#1389](#1389))
* **spec:** Standardize spelling of "canceled" to use American Spelling
throughout ([#1283](#1283))
* **spec:** Align enum format with ADR-001 ProtoJSON specification
([#1384](#1384))
* **spec:** Remove redundant `final` field from `TaskStatusUpdateEvent`
([#1308](#1308))
* **spec:** Move `extendedAgentCard` field to `AgentCapabilities`
([#1307](#1307))
* **spec:** Fixes for the last_updated_after field
([#1358](#1358))
* **spec:** modernize oauth 2.0 flows - remove implicit/password, add
device code / pkce
([#1303](#1303))
* **spec:** Make "message" field name consistent between protocol
bindings ([#1302](#1302))
* **spec:** Remove deprecated fields from a2a.proto for v1.0 release
([#1301](#1301))
* **spec:** Rename `supportsAuthenticatedExtendedCard` to
`supportsExtendedAgentCard`
([#1222](#1222))
* **spec:** Remove v1s from a2a url http bindings
* **spec:** Large refactor of specification to separate application
protocol definition from mapping to transports

### Features

* **spec:** Add `tasks/list` method with filtering and pagination to the
specification
([0a9f629](0a9f629))
* **spec:** modernize oauth 2.0 flows - remove implicit/password, add
device code / pkce
([#1303](#1303))
([525ff38](525ff38))
* **spec:** Natively Support Multi-tenancy on gRPC through an additional
scope field on the request.
([#1195](#1195))
([cfbce32](cfbce32)),
closes [#1148](#1148)
* **spec:** Provide ability for SDKs to be backwards compatible.
([#1401](#1401))
([227e249](227e249))
* **spec:** Remove v1s from a2a url http bindings
([1bd263f](1bd263f))


### Bug Fixes

* Add missing metadata field to Part message in gRPC specification
([#1019](#1019))
([b3b266d](b3b266d)),
closes [#1005](#1005)
* Add name field to FilePart protobuf message
([#983](#983))
([2b7cb6f](2b7cb6f)),
closes [#984](#984)
* Clarify blocking calls return on interrupted states
([#1403](#1403))
([0655ff3](0655ff3))
* **doc:** Makes JSON-RPC SendMessage response clearer
([#1241](#1241))
([5792804](5792804))
* **docs:** Clearer wording around context id.
([#1588](#1588))
([dec790a](dec790a))
* **grpc:** Fix inconsistent property name between gRPC and JSON-RPC in
Message object ([#1100](#1100))
([2a1f819](2a1f819))
* **grpc:** missing field in gRPC spec - state_transition_history
([#1138](#1138))
([a2de798](a2de798)),
closes [#1139](#1139)
* **grpc:** Update `CreateTaskPushNotificationConfig` endpoint to
`/v1/{parent=tasks/*/pushNotificationConfigs}`
([#979](#979))
([911f9b0](911f9b0))
* **proto:** Add icon_url to a2a.proto
([#986](#986))
([17e7f62](17e7f62))
* **proto:** Adds metadata field to A2A DataPart proto
([#1004](#1004))
([a8b45dc](a8b45dc))
* Remove unimplemented state_transition_history capability field
([#1396](#1396))
([c768a44](c768a44)),
closes [#1228](#1228)
* Restore CreateTaskPushNotificationConfig method naming
([#1402](#1402))
([d14f410](d14f410))
* Revert "chore(gRPC): Update a2a.proto to include metadata on
GetTaskRequest" ([#1000](#1000))
([e6b8c65](e6b8c65))
* Simplify Part message structure by flattening FilePart and DataPart
([#1411](#1411))
([bfae8f7](bfae8f7))
* **spec:** Add LF prefix to the package.
([#1474](#1474))
([a54e809](a54e809))
* **spec:** add metadata to `CancelTaskRequest`
([#1485](#1485))
([c441b91](c441b91)),
closes [#1484](#1484)
* **spec:** Added clarification on timestamps in HTTP query params
([#1425](#1425))
([6292104](6292104))
* **spec:** Added clarifying text around messages and artifacts
([#1424](#1424))
([b03d141](b03d141))
* **spec:** Adjust field number for `ListTasksRequest.tenant` to prevent
missing number ([#1470](#1470))
([cd16c52](cd16c52))
* **spec:** Clarify contextId behavior when message is sent with taskId
but without contextId
([#1309](#1309))
([a336a5a](a336a5a))
* **spec:** Clarify versioning strategy and client responsibilities in
protocol specification
([#1259](#1259))
([a4afeea](a4afeea))
* **spec:** Fix/1251 clarify authentication scheme
([#1256](#1256))
([3e6c7db](3e6c7db))
* **spec:** Fixes for the last_updated_after field
([#1358](#1358))
([0e204bf](0e204bf))
* **spec:** Make "message" field name consistent between protocol
bindings ([#1302](#1302))
([1e5f462](1e5f462)),
closes [#1230](#1230)
* **spec:** make `history_length` optional
([#1071](#1071))
([0572953](0572953))
* **spec:** pluralize configs in `ListTaskPushNotificationConfigs`
([#1486](#1486))
([cf735cb](cf735cb))
* **spec:** Remove config from binding.
([#1587](#1587))
([010b9cc](010b9cc))
* **spec:** Remove deprecated fields from a2a.proto for v1.0 release
([#1301](#1301))
([60f83c3](60f83c3)),
closes [#1227](#1227)
* **spec:** remove duplicated ID from the create task push config
request ([#1487](#1487))
([393898d](393898d))
* **spec:** Remove metadata field from ListTasksRequest
([#1235](#1235))
([b6ef9ee](b6ef9ee))
* **spec:** Remove reserved and fix tags ordering
([#1494](#1494))
([1997c9d](1997c9d))
* **spec:** Rename `supportsAuthenticatedExtendedCard` to
`supportsExtendedAgentCard`
([#1222](#1222))
([c196824](c196824)),
closes [#1215](#1215)
* **spec:** Standardize spelling of "canceled" to use American Spelling
throughout ([#1283](#1283))
([4dd980f](4dd980f))
* **spec:** Suggest Unique Identifier fields to be UUID
([#966](#966))
([00cf76e](00cf76e))
* **spec:** Switch to non-complex IDs in requests
([#1389](#1389))
([2596c1c](2596c1c)),
closes [#1390](#1390)
* **spec:** Update security schemes example
([#1364](#1364))
([f9a8f5b](f9a8f5b))
* Update the Java tutorials and descriptions
([#1181](#1181))
([202aa06](202aa06))


### Documentation

* **spec:** Align enum format with ADR-001 ProtoJSON specification
([#1384](#1384))
([810eaa1](810eaa1)),
closes [#1344](#1344)


### Code Refactoring

* **spec:** Combine `TaskPushNotificationConfig` and
`PushNotificationConfig`
([#1500](#1500))
([d1ed0da](d1ed0da))
* **spec:** Large refactor of specification to separate application
protocol definition from mapping to transports
([b078419](b078419))
* **spec:** Move `extendedAgentCard` field to `AgentCapabilities`
([#1307](#1307))
([40d6286](40d6286))
* **spec:** Remove redundant `final` field from `TaskStatusUpdateEvent`
([#1308](#1308))
([5b101cc](5b101cc))

---
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: Amye Scavarda Perrin <amye@amye.org>
Co-authored-by: Holt Skinner <13262395+holtskinner@users.noreply.github.com>