Performance Improvements

• #21249 - Avoid extraneous user query when no event rules are present
• #21259 - Cache ObjectType lookups for the duration of a request
• #21260 - Defer object serialization for events pipeline processing
• #21263 - Prefetch related objects after creating/updating objects via REST API
• #21300 - Cache custom field lookups for the duration of a request
• #21302 - Avoid redundant uniqueness checks in ValidatedModelSerializer
• #21303 - Cache post-change snapshot on each instance after serialization
• #21327 - Always leverage get_by_natural_key() to resolve ContentTypes

Bug Fixes

• #20212 - Fix support for image attachment thumbnails when using S3 storage
• #20383 - When editing a device, clearing the assigned unit should also clear the rack face selection
• #20902 - Avoid SyncError exception when Git URL contains an embedded username
• #20977 - "Run again" button should respect script variable defaults
• #21115 - Include attribute_data in ModuleType YAML export
• #21129 - Store queue name on the Job model to ensure deletion of associated RQ task when a non-default queue is used
• #21168 - Fix Application Service cloning to preserve parent object
• #21173 - Ensure all plugin menu items are registered regardless of initialization order
• #21176 - Remove checkboxes from IP ranges in mixed-type tables
• #21202 - Fix scoped form cloning clearing the scope field when scope_type changes
• #21214 - Clean up AutoSyncRecord when detaching from DataSource
• #21242 - Navigation menu items for authentication should not require staff_only permission
• #21254 - Fix AttributeError exception when checking for latest release
• #21262 - Assigned scope should be replicated when cloning a prefix
• #21269 - Fix replication of front/rear port assignments from the module type when installing a module