Minecraft wiki entry for Development_versions, associated text: Enable Text To Speech for Chat Option in Music Settings
Added a UI Profile "Pocket" and "Classic (like in Windows 10)" in Advanced Video Settings
Various tweaks to Add-Ons, including improvements to loading.
Stronger validation of Add-Ons manifest
Tweaked opacity of pop-up windows for easier reading.
Creative search tab now selects the search box when switching tabs and when typing any character even if the box is not selected.
"Your home bed was missing or obstructed" message now appears if the player dies and their bed was destroyed.