HTTP downloader port

See merge request !2290

Fix archiving with tables that contain tables as keys

See merge request !2245

Fix #1183

Closes #1183

See merge request !2282

ignore out folder for VS2022 builds using CMake

Fix hud_nightsrecords in old (multiplayer) special stages

See merge request STJr/SRB2!2191

Fix equation plane distortion

See merge request !2283

Update unlockables before level load executors

See merge request !2289

Another issue that seems related to #1122

Fix netgame joining

See merge request !2288

Regression introduced by !2279.

Interpolate polyobjects properly for the software renderer (resolves #950)

Closes #950

See merge request !2284

Fix physics quirkiness on slopes with convex sectors

See merge request !2250

Resolve "[NEXT] moved UPnP to it's own thread"

Closes #1173

See merge request !2263

Optimize polygon sorting on batch renderer

See merge request !2253

Fix bans by remote admins corrupting banlist

See merge request !2266

Update & save unlockables when visiting a new map

Closes #1122

See merge request !2279

Fix 3D floor texture skewing

See merge request !2281

General NiGHTS Fixes

See merge request !2199

Fix segfault when setting up view frame for a removed mobj

See merge request !2270

- Fixed an incorrect access of skincolor_remaps[] in R_GetTranslationRemap
- Fixed R_GetTranslationForThing not being able to apply a translation over TC_RAINBOW or TC_DASHMODE
- OpenGL: Fixed MF2_LINKDRAW sprites possibly not using the correct translation

Resolves #1122

Fix #1177

Closes #1177

See merge request !2268

Fixes for !2190

See merge request !2273

Add v.getSectorColormap and P_GetSectorLightLevelAt

See merge request STJr/SRB2!2230

Improve addon download refusal messages

See merge request !2153

Ported skincolor cache management from the secondcolor branch
Adjusted R_GetTranslationRemap to use a similar caching scheme
Made sure that if a skincolor was updated, then related translations would be rebuilt

Delete 'translations' Lua global