DOOM Retro v2.7.5 is now available. It may be downloaded here (a 64-bit version may be downloaded here), and its release notes are as follows:

• Optimizations have been made to further improve the overall performance and stability of DOOM Retro.
• Minor changes have been made to text that is output to the console.
• Further improvements have been made to the console’s autocomplete feature.
• The following changes have been made to the support of gamepads:
  • The buttons on many DirectInput and XInput gamepads are now mapped correctly.
  • Gamepads will no longer vibrate if the player punches the air.
  • The guide button found on some gamepads can now be bound to an action using the bind CCMD.
• A bug has been fixed whereby the flash of the player’s weapon would sometimes be positioned incorrectly if the player was firing when dropping down from a higher sector and the weaponbounce CVAR was on.
• Further improvements have been made to the support of DEHACKED lumps.