Password updater working with PostgreSQL - The cron for updating legacy password hashes was running invalid queries on PostgreSQL.
Deleting orphaned attachments w/ large number of orphaned attachments - Orphaned attachment deletion was improved to be able to delete them when a large number of orphaned attachments exist.
Multiple bugfixes for retrieving image size - Multiple issues with retrieving the image size of JPEGs and temporary files were resolved.
Issues with updating from phpBB 3.0.6 - Inconsistencies in the way parent modules were treated caused issues with updating from older phpBB 3.0 versions.
Forum / topic icon blurriness - Fixed issues with forum and topic icons looking blurry on some browsers.