Changelogs/2.2.11.md

 ## New features
 * Uncapped (!1783)
-* UDMF (!1714)
-  * To-do: Mention significant improvements
-  * To-do: Mention deprecated actions/effects
+* UDMF maps are now fully functional (!1714). See [MascaraSnake's wiki page](http://wiki.srb2.org/wiki/User:MascaraSnake/UDMF) for documentation.
 
 ## Improvements
 * Add carry type for fan objects & sectors (!1364, !1809)
@@ -32,6 +30,7 @@
 * Request 24-bit depth buffer from SDL, to prevent issues with 16-bit depth buffer (!1635)
 * Fix slope planes not being able to render fog (!1637)
 * Fix drop shadows on fake floor/ceiling (!1638)
+* UDMF: Fix offset calculation for segs that represent linedef backsides (!1701)
 * Make P_SpawnGhostMobj ghosts properly copy spritestuff2 variables (!1741)
 * Show overall grade emblem requirement of a multi-mare NiGHTS stage in SP pause menu (!1762)
 * Fix Minus & debris reverse gravity behavior (!1764)
@@ -54,6 +53,7 @@
 * Fix reading the value of stagefailed (!1819)
 * Fix a crash when scrolling away from a save file with a negative lives count (!1822)
 * Fix problems with liv_cvRegisterVar (!1823)
+* UDMF: Fix equation slopes overflow (!1830)
 * Add PO2 flat cases for sizes smaller than 32x32 (!1873)
 * Fix suspicious Lance-a-Bot statues before solid for a while after becoming active (!1882)
 * Fix Download Consent/Snake minigame not having controller support (!1883)
@@ -63,7 +63,6 @@
 * Lua: Fix HurtMsg hook no longer accepting a parameter for the inflictor object (!1903)
 * Fix Tails bot's flight indicator flickering when exiting a level (!1918)
 
-
 ## Resource files
 * `zones.pk3`:
     * Greenflower 2 (https://github.com/STJr/SRB2/issues/498)