• 16.1RC3 third and probably last release candidate for 16.1
• eSync: several fixes to improve syncing with Outlook and avoid running out of memory
• MySQL/Ubuntu 16.04: switch off sql_mode ONLY_FULL_GROUP_BY enabled in MySQL 5.7+
• Mobile: fix error popup when changing application on mobile device in minimal 16.1 install
• eSync/Calendar: reading events in chunks of 100, to keep memory down for huge calendars
• Mail: Fix mail unsubscribe does not refresh mail tree anymore
• CalDAV/InfoLog: do not export stardate > duedate, as some clients (eg. CalDAV Sync for Android) have problems with it
• eSync/InfoLog: do not export stardate > duedate, as it crashes Outlook
• ImportExport: fix PHP Fatal in import wizard in minimal install
• Projectmanager: booking new timesheets on project did not updated total in project sums