This patch release addresses several important issues and brings an updated Bulgarian translation. Many crashes were fixed in the scripting API, compatibility with GameMaker: Studio 1.4.9999 was fixed (no more need for re-saving in the room editor) and setting the compression level to the default for older maps was fixed.
This is a companion discussion topic for the original entry at https://www.mapeditor.org/2020/03/03/tiled-1-3-3-released.html