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PyPI · #1413 most downloaded on PyPI
Last release 18 days ago
17 Sep 2026
Release timing varies
gaps range from 8 days to 3 months
Rarely documented
notes for 2 of 20 stable releases
Nothing withdrawn
no release was ever pulled
1 years old
27 releases · first in 2025
One column per month.
Adds the 1.0 enforcement pipeline that runs after middleware: strip against the schema and validate.
Adds the 1.0 enforcement pipeline that runs after middleware: strip against the schema and validate.
Adds protobuf wire support and compatibility middleware.
Snapshot metadata now lets a producer declare only its authoritative activity types, so projectors like A2UI middleware don't delete activity other producers own.
MESSAGES_SNAPSHOT now applies in snapshot order instead of appending unseen messages at the end, repairing re-keyed message ordering.
Fixes scoped activity deletion without reordering history and preserves full activity snapshot authority.
Bounds the replay buffer and caps SSE and protobuf framing buffers to avoid retaining entire responses.
Stops upstream reads and cancels the HTTP reader on stream failure, not only on completion.
Reasoning events no longer overwrite an activity message sharing the same id.
Each run now gets its own set of blocked tool-call IDs, so a stalled run's filtered events are no longer leaked.
FilterToolCallsMiddleware clears blocked tool-call IDs on run boundaries.
Guards JSON.parse and surfaces stream errors in legacy convert and a2a middleware.
The wire protocol version is now the generated PROTOCOL_VERSION ("1.0").
Enforcement pipeline now runs after middleware and strips/validates against the schema, changing which events pass through.
MESSAGES_SNAPSHOT ordering and activity-ownership semantics changed; re-verify snapshot handling.
Framing buffers are now capped; oversized unbounded streams will error instead of growing.
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No release notes were approved for this version — the changelog entry is missing.
No release notes were approved for this version — the changelog entry is missing.
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Release 2026-08-27
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github-actions released this 27 Aug 12:11
release/2026-08-27
9f39302
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Package Version Install
@ag-ui/client 0.0.59 npm install @ag-ui/client@0.0.59
@ag-ui/core 0.0.59 npm install @ag-ui/core@0.0.59
@ag-ui/encoder 0.0.59 npm install @ag-ui/encoder@0.0.59
@ag-ui/proto 0.0.59 npm install @ag-ui/proto@0.0.59
Package Version Install
ag-ui-protocol 0.1.21 pip install ag-ui-protocol==0.1.21
Package Version Install
AGUI.Abstractions 0.0.6 dotnet add package AGUI.Abstractions --version 0.0.6
AGUI.Formatting 0.0.6 dotnet add package AGUI.Formatting --version 0.0.6
AGUI.Protobuf 0.0.6 dotnet add package AGUI.Protobuf --version 0.0.6
AGUI.Client 0.0.6 dotnet add package AGUI.Client --version 0.0.6
AGUI.Server 0.0.6 dotnet add package AGUI.Server --version 0.0.6
Package Version Install
ag-ui-langgraph 0.0.44 pip install ag-ui-langgraph==0.0.44
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Release 2026-08-20
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github-actions released this 20 Aug 15:56
release/2026-08-20
68e142a
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Package Version Install
@ag-ui/agno 0.0.6 npm install @ag-ui/agno@0.0.6
@ag-ui/crewai 0.0.4 npm install @ag-ui/crewai@0.0.4
@ag-ui/llamaindex 0.2.0 npm install @ag-ui/llamaindex@0.2.0
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Release 2026-08-18
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github-actions released this 18 Aug 09:00
release/2026-08-18
f0d2253
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Package Version Install
@ag-ui/ag2 0.0.2 npm install @ag-ui/ag2@0.0.2
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