diff --git a/html/changelog.html b/html/changelog.html
index 2b53d25e906..cc491817913 100644
--- a/html/changelog.html
+++ b/html/changelog.html
@@ -90,6 +90,7 @@ ADDING CREDITS?  EDIT templates/header.html (or footer.html if they're for old t
 			<h3 class="author">Cyadox updated:</h3>
 			<ul class="changes bgimages16">
 				<li class="rscadd">Quick-equip hotkey can now swap items in occupied slots.</li>
+				<li class="bugfix">Stopping surgery by dropping or storing your tool now harms the patient</li>
 			</ul>
 			<h3 class="author">DamianX updated:</h3>
 			<ul class="changes bgimages16">
@@ -110,6 +111,8 @@ ADDING CREDITS?  EDIT templates/header.html (or footer.html if they're for old t
 			<ul class="changes bgimages16">
 				<li class="bugfix">Clone damage on slimepeople can be healed now.</li>
 				<li class="spellcheck">Improved the clarity of cult bonus objectives.</li>
+				<li class="bugfix">A breathing bug for non-human mobs was fixed. Tiny concentrations of CO2 and plasma should no longer kill animals dead.</li>
+				<li class="bugfix">A similar bug was causing space heaters and AC units to be unduly effective.</li>
 			</ul>
 
 			<h2 class="date">2017.12.28</h2>
diff --git a/html/changelogs/.all_changelog.yml b/html/changelogs/.all_changelog.yml
index 00e55b28694..fba3290cf97 100644
--- a/html/changelogs/.all_changelog.yml
+++ b/html/changelogs/.all_changelog.yml
@@ -1066,6 +1066,7 @@ DO NOT EDIT THIS FILE BY HAND!  AUTOMATICALLY GENERATED BY ss13_genchangelog.py.
 2017-12-31:
   Cyadox:
   - rscadd: Quick-equip hotkey can now swap items in occupied slots.
+  - bugfix: Stopping surgery by dropping or storing your tool now harms the patient
   DamianX:
   - tweak: Diagnostic HUDs can be printed from the protolathe.
   - rscadd: Ghosts can use the diagnostic HUD.
@@ -1079,3 +1080,6 @@ DO NOT EDIT THIS FILE BY HAND!  AUTOMATICALLY GENERATED BY ss13_genchangelog.py.
   Pathid:
   - bugfix: Clone damage on slimepeople can be healed now.
   - spellcheck: Improved the clarity of cult bonus objectives.
+  - bugfix: A breathing bug for non-human mobs was fixed. Tiny concentrations of CO2
+      and plasma should no longer kill animals dead.
+  - bugfix: A similar bug was causing space heaters and AC units to be unduly effective.