[ServiceBus] Changelog update
# Release History
-## 7.3.2 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
+## 7.3.2 (2021-08-10)
### Bugs Fixed
+
- Fixed a bug that `azure.servicebus.aio.AutoLockRenewer` crashes on disposal if no messages have been registered (#19642).
- Fixed a bug that `azure.servicebus.AutoLockRenewer` only supports auto lock renewal for `max_workers` amount of messages/sessions at a time (#19362).
-### Other Changes
-
## 7.3.1 (2021-07-07)
### Fixed
