Release notes

HOL Guard v3.19.0

Stable

Published Original GitHub release for v3.19.0

Documented changes

3 typed entries

Verified contributors

Credits being verified. Attribution coverage is unknown.

Attribution coverage

attribution not yet verified; history inventory partial.

Scope

Guard v3.19.0 is a stable release published 2026-10-03. Upstream documents: **mcp:** add ContribOS MCP server contribution ([#3472](https://github.com/hashgraph-online/hol-guard/issues/3472)) ([e10177b](https://github.com/hashgraph-online/hol-guard/commit/e10177b7fc2533cf150327eeb893882a5f6392f4)) Its comparison base is v3.18.2. Attribution for this release is being verified.

Changes

Added

1

Fixed

2

Upgrade and compatibility

None documented.

Compare with the previous release

Predecessor on the same channel: v3.18.2

Verified contributors

Credits derive from public pull-request authorship, verified commit authorship, or verified co-authorship — never from thanks text or release metadata. Each distinct contributor is listed once; the evidence ledger paginates every published credit record.

Evidence ledger0 credits

No credits are published for this release yet.