Print errors to screen regarding nullsprites; Note desync progress; Fix ice tileset walkability

patchnotes.md

@@ -10,10 +10,18 @@ We are still hunting for desyncs! Please submit your critical logs to cm-issues
 ## General
 - **Internals:**
 	- Upgraded Discord support to include replay / witness status, game mode, and race (c. Veeq7)
+	- Cases where a unit's sprite is unexpectedly nonexistant will now print debug info to the screen -- **please screenshot this** and [submit it to us on discord!](https://discord.com/invite/s5SKBmY)
 	- Added "Prudence", a clone of the Artisan that can warp in structures, for use in UMS
 - **Config:**
 	- Added Furen advisor
 
+## Bugfixes:
+- **Stability:**
+	- Resolved a common desync case (with help from DF and Veeq7)
+		- **Caveat:** At least one other desync case still exists; please keep the reports coming!
+- **Gameplay:**
+	- Fixed tile walkability for Iceworld -> Higher Outpost
+
 ## Audiovisuals
 - Added birth animations for:
 	- Cherbrathalor, Okrimnilisk