Gundemonium Collection
-Improved gamepad support.
-Added an INI setting for Steam overlay pop-up position.
-Fixed INI settings related to refresh rate.
-Fixed a minor bug with the Friends display mode in leaderboards.

Gundemonium Recollection
-Fixed a small display error in the Ain Soph Aur leaderboards.
-Fixed a small display issue with certain weapons in Holiday colors.

GundeadliGne
-Majorly overhauled Online Duet, eliminating a large amount of past issues.
-Added ability to create invite-only lobbies in Online Duet.
-Added ability to use Holiday colors in Online Duet.
-Added distinction between overheat sounds when both players use Eryth.
-Added an overheat cooldown display when Eryth is overheated.
-Changed Steam overlay pop-up to appear in the bottom-left by default.
-Fixed some issues with the non-Friends lobby list.
-Fixed some bugs related to Eternal Babel mode line count.
-Fixed a small bug when restarting from the pause menu.
-Fixed a bug that could cause replays desyncs. Only new replays are fixed.
-Fixed a bug allowing invalid input settings, causing issues in some menus.
-Fixed a bug in Duet Play Chapter 4 when one player runs out of lives.

Hitogata Happa
-Added subtitles to voices that previously lacked text.
-Added an INI setting for toggling subtitle display.
-Changed Steam overlay pop-up to appear in the top-left by default.