DOOM Retro v2.3 is now available. It 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.
• Changes have been made to the format of savegames and so are not compatible with previous versions of DOOM Retro.
• Motion blur when the player turns quickly can now be enabled by setting the new vid_motionblur CVAR to a value greater than its default of 0%.

Motion blur.
• The am_xhaircolor CVAR has been renamed to am_crosshaircolor.
• The vid_scaledriver CVAR has been renamed to vid_scaleapi.
• The default of the vid_scaleapi CVAR is no longer "". When DOOM Retro is run for the first time, the best available API is chosen, changing this CVAR to "direct3d", "opengl" or "software".
• A bug has been fixed whereby some CVARs weren’t being reset to their correct values, or at all, when using either the reset or resetall CCMDs.
• Entering reset all in the console will now work the same as entering the resetall CCMD.
• Toggling “always run” using the CAPSLOCK key while in the console will no longer inadvertently affect player messages from appearing.
• Many minor changes have been made to text that is output to the console.
• A new -nomapinfo command-line parameter has been implemented that will stop any MAPINFO lumps from being parsed in PWADs at startup.
• If there is a MAPINFO lump present in nerve.wad that contains invalid map markers, the PWAD will no longer exit with an error, and a warning will be displayed in the console instead.
• The SHIFT key will now be ignored when pressing Y or N in response to a centered message.
• A bug has been fixed whereby no value would be displayed when entering the r_hud CVAR in the console without a value.
• When entering a CVAR in the console without a value, the CVAR’s description, current value and default value will now be displayed.
• The shadows of cyberdemons have been raised slightly.
• The values of CVARs in doomretro.cfg now have thousands delimiters.
• Thousands delimiters may now be used when entering values of CVARs in the console.
• Monster spawners are now disabled when using kill all in the console.
• All automap controls (pressing the G key to toggle the grid for instance) may now be used when there’s an external automap, provided they don’t conflict with any other controls.
• A bug has been fixed whereby certain items wouldn’t teleport in some rare instances. (An example of this is one of the yellow skull keys in MAP23 of Going Down.)
• Lost souls spawned by pain elementals now move towards their target in their attack frame.
• The playerstats CCMD now displays 8 additional stats:
  • the number of maps completed,
  • the distance traveled (where 1 foot equals 16 map units),
  • the amount of ammo picked up (divided into bullets, cells, rockets and shells),
  • the amount of armor picked up, and
  • the amount of health picked up.
• The units used to display the new “Distance traveled” stat in the playerstats CCMD can be changed from feet/miles to metres/kilometres by changing the new units CVAR from its default of imperial to metric.
• The effects of changing the r_translucency CVAR will now be immediate in the HUD.
• When the r_translucency CVAR is off, the console and the alternate HUD will now no longer be translucent.
• The alternate HUD is now enabled by default.
• A texture has been corrected in MAP13 of doom2.wad.
• The player’s path may now be displayed in the automap by enabling the new am_path CVAR. It is off by default.

The player’s path.
• The color of the player’s path may be changed using the new am_pathcolor CVAR. It is 95 (a light gray) by default.
• The console is now automatically closed when the spawn CCMD is used.
• Spaces are now allowed in the playername CVAR.
• The playername CVAR is now changed back to its default of "you" if it is changed to an empty string.
• The values of the r_detail CVAR are now displayed correctly in the output of the cvarlist CCMD.
• The +use and +fire actions will now respawn a dead player when in the automap.
• A bug has been fixed that stopped some string CVARs from being able to be changed in the console.
• The digits in the status bar are no longer lowered by 1 pixel in Back to Saturn X E1: Get Out Of My Stations and Back to Saturn X E2: Tower in the Fountain of Sparks.
• The “Cheated” stat in the playerstats CCMD now increases when using some CCMDs and command-line parameters that would be considered cheating.
• The console is now automatically closed when the ammo, armor and health CVARs are changed.
• If the health CVAR is changed to a smaller value, the effects of the damage to the player will now be shown.
• If the ammo, armor and health CVARs are changed to a larger value, the screen will now flash.
• The player will now be resurrected if the health CVAR is changed in the console when they are dead.
• There is now a read-only version CVAR that may be used to determine which version of DOOM Retro created a doomretro.cfg file.
• The super shotgun will now be displayed correctly when fired in Ancient Aliens.
• The default gamepad sensitivity (set using the gp_senstivity CVAR) has been increased from 48 to 64.
• The +forward2, +back2, +strafeleft2, +straferight2 and +use2 actions have been removed. The controls that were bound to these actions are now bound to +forward, +back, +strafeleft, +straferight and +use, respectively.
• The right thumbstick on gamepads is now bound to the +use action and may be pressed as an alternative to the A button to open doors, use switches, etc.
• A bug has been fixed whereby certain player stats were being reset to 0 at startup.
• The effects of the IDDT cheat are now removed from the automap when the player changes levels.
• The shaking of the screen when the player is injured and the r_shakescreen CVAR is on has been improved slightly.
• A bug has been fixed whereby firing the chaingun would increase the “Shots Fired” stat by 1, but would increase the “Shots Hit” stat by 2 if the shot successfully hit a monster.
• If the player has the invulnerability power-up when using kill player in the console, the inverted screen effect will now be removed.
• The map title in the automap is now positioned better when using a taller character set from a PWAD (such as Ancient Aliens).
• The folder where savegames are saved and loaded can now be specified using the -savedir command-line parameter.
• The suicide bombers in Valiant will now explode as intended.
• If a TITLEPIC lump exists in a PWAD, and there is no CREDIT lump to accompany it, then the CREDIT lump in the IWAD won’t be displayed during the title sequence.