Fixes inconsistencies with thin players, like with Liftoff Gantry's scale section, and with large characters colliding with steep slopes instead of going up them.

Fix segfault when P_RemoveMobj is called within A_FaceTarget action

See merge request STJr/SRB2!1974

Allow targeting invulnerable bosses & don't break targeting when they take damage

See merge request STJr/SRB2!1917

Reallow score chains from rolling

See merge request STJr/SRB2!1833

Interpolate console animation, Make con_height update on the fly

Closes #905

See merge request STJr/SRB2!1878

When attaching to a wall to do a climb, the second sidedef wasn't be handled properly.

Closes #834

See merge request STJr/SRB2!1908

Fix segfault when Crushstaceans hit a player with Armageddon shield

See merge request STJr/SRB2!1980

Fix I_GetFreeMem for 64-bit platforms

See merge request STJr/SRB2!1982

Fix segfault when shields are removed after thinking

See merge request STJr/SRB2!1975

Fix segfault when going up steep slopes in rare cases

See merge request STJr/SRB2!1978

Fix linedef action 420 being unable to lower light levels properly by default

See merge request STJr/SRB2!1977

Don't attract bomb spheres with Attraction shield

See merge request STJr/SRB2!1953

Allow Cosmetic Add-Ons Mid-Save

Closes #911

See merge request STJr/SRB2!1877

Plane scroller & wind/current/pusher improvements (again)

See merge request STJr/SRB2!1811

Turn dispoffset into a mobj field

See merge request STJr/SRB2!1708

[SUGOI] Refresh Sprite2s

See merge request STJr/SRB2!1750

[SUGOI] Allow saving in modified games.

See merge request STJr/SRB2!1749

Fixes issue #704 and #618

Closes #618 and #704

See merge request STJr/SRB2!1912

Don't force fromlevelselect to be false after a pre-map cutscene

Closes #1003

See merge request STJr/SRB2!1972

A_PointyThink crash fix (patch from #827)

See merge request STJr/SRB2!1970

Skip emerald bounce logic in intermission ticker on dedicated

See merge request STJr/SRB2!1969

Fix segfault when damaging mobj with no painstate

See merge request STJr/SRB2!1968

Fix segfault when removing source from ShouldDamage

See merge request STJr/SRB2!1967

Fix segfault when first mobj in overlaycap is removed

See merge request STJr/SRB2!1963

Fixes A_PointyThink crashing in certain scenarios