fix(dedupe): Track seen exceptions via attribute instead of ContextVar - #7533
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Codecov Results 📊✅ 58338 passed | ⏭️ 2727 skipped | Total: 61065 | Pass Rate: 95.53% | Execution Time: 161m 43s 📊 Comparison with Base Branch
All tests are passing successfully. ✅ Patch coverage is 100.00%. Project has 2060 uncovered lines. Coverage diff@@ Coverage Diff @@
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- Coverage 90.37% 90.11% -0.26%
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September 18, 2026 19:10
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Replace DedupeIntegration's weakref/ContextVar-based "last seen"
tracking with a
_handled_by_sentryflag set directly on theexception. This avoids the contextvar leaking across async contexts
and removes the need for
reset_last_seen(), which the client usedto call after
before_senddropped an exception.Add a regression test for the case where the same exception instance
is re-raised (e.g. Django re-raising in middleware after a view
already handled it) to confirm it's still deduped correctly.
Fixes PY-2381
Fixes #6094