In terms of a changelog for 15063.502, this does include all the improvements and fixes applied in the general Patch Tuesday release a fortnight (or so) ago, plus:
- Addressed issue with notifications (SMS, Calendar) for an activity tracker.
- Addressed issue with video playback artifacts during transitions from portrait to landscape on mobile devices.
Plus the usual security and optimisation tweaks under the hood to OneCore and the UWA modules.
Today's update is available to any phone already on the Creators Update and on the Release Preview ring (see the Reading list below for more!) For the Windows Insider Programme, see inside 'Settings/Update & security'.
See also:
- Phone by phone: WP8/Windows 10 Mobile official upgrade paths
- How to: Get your Lumia 930 or 1520 onto the Creators Update
- How to return your Windows 10 Mobile Insiders phone to 'production' status
- How to upgrade smoothly from Windows Phone 8.1 to Windows 10 Mobile
- How to reset and refresh your Windows 10 Mobile smartphone