General changes:

• #2148 Various database performance improvements.

Map changes:

• #2147 "Draw box to zoom" feature has been disabled.
• #2086 Floor switches are now enabled in Combined Floor mode.

Bugfixes:

• #2120 Queue for thumbnails should no longer sometimes be erroneously cleared.
• #2149 When having Combined Floors enabled, accessing dungeons through the Explore feature no longer loads a blank map (hotfixed).
• #2153 Attempting to view routes for a dungeon that does not have seasons (ie. WotLK or Classic routes) no longer sometimes generates an error.
• #2151 Loading more routes on the discover pages no longer generates a list of routes with 2 columns instead of 4 columns.

MDT Importer changes:

• #2125 Importing arrows from MDT is now supported.