PrBoom-Plus 2.6um

• fixed episode selection when playing Doom 2
• fixed Doom 1 level progression
• print a blinking arrow next to the currently highlighted menu item
• print another blinking arrow to the right of the currently selected menu setting
• support the DOOMWADPATH environment variable
• add some extra states, sprites and mobjtypes from Doom Retro and Crispy Doom
• fullscreen desktop for the software renderer
• improved v1.2 compat:
  • fixed a desync on the internal demo in DTH1.WAD
  • fixed the walkways to the BFG rising a little too high on 1_ON_1.WAD
  • moving floors (except plats) should not make the floor stop sound
• fixed infinite loop in macOS launcher
• added CMake build system
• fixed the mainfest to allow 64 bit builds
• fixed PortMidi support on 64-bit Windows
• disabled the "popping skull player death" easter egg
• do not wait for VSync if running a timedemo
• added -statdump parameter from Chocolate Doom
• added mouse-strafe divisor setting
• removed and/or replace all non-free data lumps
• improved Boom random seed
• added -stroller param
• include secret exit in -levelstat
• added configurable quickstart window
• disallow 180-turn with strafe on
• fixed endianess for 32-bit ZDoom nodes
• show Extended Help screen when pressing the Help key
• made armor color depend on type, not amount
• added Chocolate Doom mouse behavior option
• fixed Boom autoswitch behavior
• reinstated the "WEAPON ATTACK ALIGNMENT" menu option
• changed "SECRET AREAS" menu option to "REPORT REVEALED SECRETS"
• fixed endianess for DeePBSP V4 nodes
• show error message boxes on Windows, except when video-dumping a demo
• unbind game speed changing keys in default config
• fixed heap buffer overflows in UDP multiplayer code
• fixed -longtics having no effect
• changed video capture to an ffmpeg-based approach
• track demo joins for TAS-detection purposes
• fixed some episode transition issues when using UMAPINFO
• added automap rotate and overlay keybindings to menus
• fixed a bug in DeHackEd string replacements with a length of exactly four
• added "Dropped Item" menu support
• enabled automap Follow Mode by default
• disabled chorus and reverb for Fluidsynth by default
• fix segfault with -viewangle parameter
• next levels no longer reset if endscreen is disabled in UMAPINFO
• added 200 Sounds for DEHEXTRA
• respawn when using IDDQD while dead
• fixes for empty DeHackEd lumps and entries
• restrict "next level" button usage to in-level only
• added adaptations for fluidsynth 2.0
• added "No Vertical Mouse" setting and keybind
• save / load -complevel 9 friction
• added extensible demo format + "PR+UM" signature
• made canonical resolutions (320x200, 320x240, 640x400 and 640x480)
  always available in menu, regardless of what video driver/SDL report
• fixed aspect ratio for canonical resolutions; be sure to set "Aspect Ratio" to "Auto"
  and "Status Bar and Menu Appearance" to "Not Adjusted" for both 320x200 and 640x400
• set minimum windows size to prevent window from shrinking when changing video modes
• "Screen Multiple Factor" now functions like a "window size factor"
  (i.e. like "-1", "-2", "-3" in Chocolate Doom) and has no effect in fullscreen modes
• added "Integer Screen Scaling" option (à la Crispy Doom), which restricts the screen
  size to integer multiples of the game resolution, under Options -> General, page 5
• both executables now share the same config file "prboom-plus.cfg", with all config
  keys always preserved - including the GL-related ones
• switched to the unified executable "prboom-plus" with optional OpenGL rendering
• portmidi: pitch bends are now reset when stopping song
• added support for more mouse buttons
• fixed resolution-independent mouse sensitivity
• added demo restart functionality - record a new demo on map restart
• setup menus remember last active item
• fixed the KFA cheat sting not read from .bex patches
• UMAPINFO docs updated re: "bossaction" field
• fixed a crash when running out of space while typing in a file path into the autoload
  fields (Options -> General, page 2)
• fixed the "Garbage lines at the top of weapon sprites" issue (#95)
• add support for named complevels on command line:
  -complevel 1.9 = -complevel 2
  -complevel doom2 = -complevel 2
  -complevel ultimate = -complevel 3
  -complevel udoom = -complevel 3
  -complevel final = -complevel 4
  -complevel tnt = -complevel 4
  -complevel plutonia = -complevel 4
  -complevel boom = -complevel 9
  -complevel mbf = -complevel 11
  -complevel vanilla = complevel autodetected according to IWAD loaded
• allow MBF sky transfers in all complevels
• add support for colored blood and gibs
• fixed key-bindings unusable after mouse-wheel up/down