The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed. Resolved: Release in which this issue/RFE has been resolved. Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
EVALUATION
The original fix for 6236036 was incomplete.
Garbage retention can still occur.
The hopefully correct fix is being done under
6460501: Synchronizer timed acquire still leaks memory
which will be backported to all releases 5+.
So I will close this as Will Not Fix.