Fix automatic mode z-target bugs and crashes (resolves #751, #758, #1264)

Closes #1264, #758, and #751

See merge request !2422

Update skin cvar from character select and compare against cvar when warping without a loaded file (resolves #1267, #1117, #1114, #1112)

Closes #1112, #1114, #1117, and #1267

See merge request !2467

Add a console variable that will allow individual demos to desync....

See merge request !2361

Fix mouse buttons not working in menus with alwaysgrabmouse on

Closes #1257

See merge request !2449

Clean up the backtrace code and make it use write() more safely.

See merge request !1897

Removed thokked when hitting springs (resolves #1245)

Closes #1245

See merge request !2429

Allow less than 3 emerald shards instead of crashing

See merge request !2433

Fix vertical aim being off when using lack of perspective

See merge request !2408

Don't change drawangle while riding on a fan

Closes #1062

See merge request !2371

Rollout rock handling with gravity boots

See merge request !2343

Fix forcecharacter regressions & crash (resolves #1262)

Closes #1262

See merge request !2464

Fix equation slopes breaking with slopes farther than 32k FU away from the map center

See merge request !2397

Expose BASEVIDWIDTH and BASEVIDHEIGHT to Lua and SOC

See merge request !2468

Improve slope physics on solid middle textures

See merge request !2455

Use correct slope for solid middle textures

Closes #1093

See merge request !2454

Merge branch '712-trying-to-load-a-folder-as-an-addon-causes-a-bad-cycle-error-everytime' into 'next'

Resolve "[2.2.10 prerelease] Trying to load a folder as an addon causes a "bad cycle" error every time"

Closes #712

See merge request !2412

SPR2defaults fix

See merge request !2461

Fix spriteinfo indexing

Closes #1255

See merge request !2463

Fix #1248

Closes #1248

See merge request !2452

Fix 3D floor side texture scaling (resolves #1247)

Closes #1247

See merge request !2435

Fix FOFs with transferline flag and many linedefs randomly crashing

See merge request !2285

Prevent infinite loop in R_RenderThickSideRange

See merge request !2470

Fix 3D floor side texture scrolling (resolves #1215)

Closes #1215

See merge request !2392

Ignore flats when loading patches

See merge request STJr/SRB2!2457

Fix repeatcnt data type mistake in UDMF specification

See merge request !2458

Fix players not rendering on team scoreboards

See merge request !2460

Update skin cvar from character select and compare against cvar when warping to map without character select