Bruh Core Zone 2

See merge request STJr/SRB2!1047

Fix the issue where custom exits with skipped intermission screens (notably, Black Core Zone 2 and 3) would cause the game to softlock when playing on a save file, or with a live event backup.

Restore SKINCOLOR_SUPERGOLD1-5 changes from 2.2.3

See merge request STJr/SRB2!1042

Fix custom skincolors being fullbright & signpost backgrounds using incorrect color shades

Closes #179 and #182

See merge request STJr/SRB2!1043

Whose idea was it to make the aPNG speed 1/2x by default?!

See merge request STJr/SRB2!1044

2.2.5 preparation

See merge request STJr/SRB2!1039

Remove Software tricks

See merge request STJr/SRB2!1036

Fix autoexec file trying to set netvars when joining from command-line

See merge request STJr/SRB2!1040

M_RATHON header text

See merge request STJr/SRB2!1041

Fix timeout

See merge request STJr/SRB2!1038

The credit

See merge request STJr/SRB2!1033

Knuckles tweaks

See merge request STJr/SRB2!1030

Allow macOS builds to be launched through Steam

See merge request STJr/SRB2!996

Create a slightly more dynamic, optional frame delay system to show off your terrible hardware with

See merge request STJr/SRB2!1023

Take 2: Fix Old Brak missiles + add pw_ignorelatch

See merge request STJr/SRB2!1006

Use levelflat->name instead of flatname

See merge request STJr/SRB2!1024

Make Linedef type 422 smarter

See merge request STJr/SRB2!1014

Jet Jaw Sounds

See merge request STJr/SRB2!1018

More platform fixes

See merge request STJr/SRB2!999

New Debris for CEZ3

See merge request STJr/SRB2!1012

Add SF_NOSUPERSPRITES

See merge request STJr/SRB2!1000