Fix perfstats failing to compile with NOHW=1

See merge request !1728

Move MT_RAY to the very end of the mobj list

See merge request STJr/SRB2!1747

Convert old frame flags in Metal recordings to their 2.2.10 equivalents

Closes #775

See merge request !1742

This reverts commit b2d693a5.

Fix blendmode V_ flags not working at full opacity in Software

See merge request !1717

Remove MT_NULL hacks

Closes #721

See merge request !1729

Increase Eggman's hitboxes

See merge request STJr/SRB2!1706

Improve bots (resolves #710)

Closes #710

See merge request STJr/SRB2!1679

Fix portals

See merge request !1724

Fix #732

Closes #732

See merge request !1739

Allow people to update their Master Server listing on command.

See merge request !1518

Disable SDL error message on dedicated servers

See merge request STJr/SRB2!1735

Fix crosshairs not displaying

See merge request STJr/SRB2!1716

Fix lock-on crash (Resolves #746)

Closes #746

See merge request !1704

Fix software splats breaking and crashing in skyboxes

See merge request STJr/SRB2!1711

Fix software splats not being clipped by ceiling walls

See merge request STJr/SRB2!1712

Hack that fixes software drop shadow crashes (Fixes #159)

Closes #159

See merge request !1700

Add missing optimization to software npo2 sloped floor sprites

See merge request !1713

Fix issues with chat messages

Closes #583

See merge request !1698

Do not attempt to disconnect when a packet checksum is invalid

See merge request !1699

UDMF: Fix offset calculation for segs that represent linedef backsides

See merge request !1701

Only load map lumps that are WADs or have no extension

See merge request STJr/SRB2!1715

So they don't mess with shell scripts that expect SRB2 to exit when it crashes (like most other programs)

Checks if P_TryMove would succeed without actually moving.

MT_NULL spawning, not cool bro.

Don't modify drawangle when taking damage in strafe mode

See merge request STJr/SRB2!1689

Fix Nightopians

See merge request !1703

Fix A_OldRingExplode not scaling or flipping

See merge request STJr/SRB2!1709

- Resetting portalcullsector fixes the major visual glitches

- Using 32 bits for nummasks and i fixes crashes when rendering lots of portals