With this release, we focused mainly on fixing issues raised and revising code to make the calendar UI and backend faster to use.
The calendar server has a patch with this release specifically focusing on scalability and migration speed.

One of the big calendar improvements is a new multi-threaded migration script which significantly improves total migration time for large Atmail 5 datasets.

New Features:

• Calendar threaded migration script

Improvements:

• Improved calendar new event experience
• Improved calendar drag and drop experience
• Improved caldav client digest support
• Improved modify event pane and refresh after save
• Generally improved UI speed
• Vastly improved calendar server performance and scalability
• Vastly improved migration speed
• Fixed various websync warnings

Issues Fixed:

• A small list of bugs in the calendar backend and UI
• Fixed event available for editing before server has allocated id
• Fixed only first user being applied for calendar permissions
• Fixed event display on resize

We recommend that all current Atmail users upgrade to the new Atmail 6.1.9 - Follow these steps to update your install in under 5 minutes.Questions? Contact us via our web-form