What the developer wrote
Authored by ziggie
docs: add release-notes for 21
What changed, and why it matters
This commit only adds a line to the release notes document describing a bug fix that was already merged in a previous pull request. It does not change any program code, so it cannot by itself introduce or fix a security issue. The underlying bug it describes was a deadlock during shutdown that could freeze invoice processing, but this commit is purely documentation.
No action is needed for this documentation commit. If reviewing the underlying fix, inspect PR #10719 to verify the channel link shutdown ordering and hodl subscription cleanup.
Security signals we found
release note references a prior deadlock fix in invoice registry
no code changes in this commit
Evidence from the diff
The diff is a documentation-only addition to docs/release-notes/release-notes-0.21.0.md. It records that PR #10719 fixed a shutdown race in the channel link that could deadlock the invoice registry when peers disconnect concurrently. No source code is modified in this commit, so there is no direct security-relevant code change to evaluate here. The actual fix resides in the referenced pull request, not in this commit.
Changed components
docs/release-notes/release-notes-0.21.0.mdInspect captured patch +7 / −0
diff --git a/docs/release-notes/release-notes-0.21.0.md b/docs/release-notes/release-notes-0.21.0.md
index ad58f77..256eea8 100644
--- a/docs/release-notes/release-notes-0.21.0.md
+++ b/docs/release-notes/release-notes-0.21.0.md
@@ -70,6 +70,13 @@
the chain watch filter on restart. This was a pre-existing bug since
private taproot channels were first introduced.
+* [Fixed a shutdown race in the
+ channel link](https://github.com/lightningnetwork/lnd/pull/10719)
+ that could deadlock the invoice registry during concurrent peer disconnect.
+ The link now waits for `htlcManager` to fully exit before tearing down hodl
+ subscriptions and the hodl queue, preventing orphaned subscriptions from
+ blocking invoice resolution.
+
# New Features
- [Basic Support](https://github.com/lightningnetwork/lnd/pull/9868) for onion
Why this scored 15/100
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