diff --git a/html/changelog.html b/html/changelog.html
index 55f993ebd7a..30b91d88b96 100644
--- a/html/changelog.html
+++ b/html/changelog.html
@@ -51,6 +51,35 @@
 		
 		-->
 		<div class="commit sansserif">
+			<h2 class="date">10 December 2020</h2>
+			<h3 class="author">Ghilker updated:</h3>
+			<ul class="changes bgimages16">
+				<li class="tweak">only anchored windows call move_update_turf()</li>
+				<li class="tweak">singularities from stage 2 and over will unanchor windows</li>
+				<li class="rscdel">removed atmos SM room</li>
+				<li class="rscadd">added atmos testing facility</li>
+				<li class="rscadd">added SM to replace the hole left by singulo/tesla engines</li>
+			</ul>
+			<h3 class="author">Ghommie updated:</h3>
+			<ul class="changes bgimages16">
+				<li class="bugfix">jitteriness, melee attack animations and resting/standing up should no longer momentarily remove the floating movement type.</li>
+			</ul>
+			<h3 class="author">silicons updated:</h3>
+			<ul class="changes bgimages16">
+				<li class="refactor">projectiles now use a new hit detection system that doesn't rely on quirks in movement code to work, and is easier(?) to work with</li>
+				<li class="refactor">pass_flags_self now handles determining if something with specific pass_flags can cross something, by default.</li>
+				<li class="bugfix">piercing projectiles (see: penetrating snipers) work again</li>
+				<li class="tweak">projectile permutated/impacted list is reset on ricochets, meaning reflected projectiles can potentially hit something again if it pierced it the first time.</li>
+			</ul>
+			<h3 class="author">tf-4 updated:</h3>
+			<ul class="changes bgimages16">
+				<li class="bugfix">removes stray lightswitch from icebox mining base</li>
+			</ul>
+			<h3 class="author">zxaber updated:</h3>
+			<ul class="changes bgimages16">
+				<li class="balance">Vehicles no longer open firelocks when bumped into them.</li>
+			</ul>
+
 			<h2 class="date">09 December 2020</h2>
 			<h3 class="author">Timberpoes updated:</h3>
 			<ul class="changes bgimages16">
diff --git a/html/changelogs/.all_changelog.yml b/html/changelogs/.all_changelog.yml
index 929ef246429..60825998b5b 100644
--- a/html/changelogs/.all_changelog.yml
+++ b/html/changelogs/.all_changelog.yml
@@ -45092,3 +45092,25 @@ DO NOT EDIT THIS FILE BY HAND!  AUTOMATICALLY GENERATED BY ss13_genchangelog.py.
   Time-Green:
   - tweak: Acclimator will now idle when emptying, to prevent overcooking in laggy
       and sensitive situations
+2020-12-10:
+  Ghilker:
+  - tweak: only anchored windows call move_update_turf()
+  - tweak: singularities from stage 2 and over will unanchor windows
+  - rscdel: removed atmos SM room
+  - rscadd: added atmos testing facility
+  - rscadd: added SM to replace the hole left by singulo/tesla engines
+  Ghommie:
+  - bugfix: jitteriness, melee attack animations and resting/standing up should no
+      longer momentarily remove the floating movement type.
+  silicons:
+  - refactor: projectiles now use a new hit detection system that doesn't rely on
+      quirks in movement code to work, and is easier(?) to work with
+  - refactor: pass_flags_self now handles determining if something with specific pass_flags
+      can cross something, by default.
+  - bugfix: 'piercing projectiles (see: penetrating snipers) work again'
+  - tweak: projectile permutated/impacted list is reset on ricochets, meaning reflected
+      projectiles can potentially hit something again if it pierced it the first time.
+  tf-4:
+  - bugfix: removes stray lightswitch from icebox mining base
+  zxaber:
+  - balance: Vehicles no longer open firelocks when bumped into them.
diff --git a/html/changelogs/AutoChangeLog-pr-54924.yml b/html/changelogs/AutoChangeLog-pr-54924.yml
deleted file mode 100644
index 8922a73b375..00000000000
--- a/html/changelogs/AutoChangeLog-pr-54924.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-author: "silicons"
-delete-after: True
-changes: 
-  - refactor: "projectiles now use a new hit detection system that doesn't rely on quirks in movement code to work, and is easier(?) to work with"
-  - refactor: "pass_flags_self now handles determining if something with specific pass_flags can cross something, by default."
-  - bugfix: "piercing projectiles (see: penetrating snipers) work again"
-  - tweak: "projectile permutated/impacted list is reset on ricochets, meaning reflected projectiles can potentially hit something again if it pierced it the first time."
diff --git a/html/changelogs/AutoChangeLog-pr-54963.yml b/html/changelogs/AutoChangeLog-pr-54963.yml
deleted file mode 100644
index f76395a119e..00000000000
--- a/html/changelogs/AutoChangeLog-pr-54963.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-author: "Ghommie"
-delete-after: True
-changes: 
-  - bugfix: "jitteriness, melee attack animations and resting/standing up should no longer momentarily remove the floating movement type."
diff --git a/html/changelogs/AutoChangeLog-pr-55241.yml b/html/changelogs/AutoChangeLog-pr-55241.yml
deleted file mode 100644
index 759e06e9e67..00000000000
--- a/html/changelogs/AutoChangeLog-pr-55241.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-author: "zxaber"
-delete-after: True
-changes: 
-  - balance: "Vehicles no longer open firelocks when bumped into them."
diff --git a/html/changelogs/AutoChangeLog-pr-55254.yml b/html/changelogs/AutoChangeLog-pr-55254.yml
deleted file mode 100644
index 181931e9c5b..00000000000
--- a/html/changelogs/AutoChangeLog-pr-55254.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-author: "tf-4"
-delete-after: True
-changes: 
-  - bugfix: "removes stray lightswitch from icebox mining base"
diff --git a/html/changelogs/AutoChangeLog-pr-55285.yml b/html/changelogs/AutoChangeLog-pr-55285.yml
deleted file mode 100644
index f50dc186534..00000000000
--- a/html/changelogs/AutoChangeLog-pr-55285.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-author: "Ghilker"
-delete-after: True
-changes: 
-  - rscdel: "removed atmos SM room"
-  - rscadd: "added atmos testing facility"
-  - rscadd: "added SM to replace the hole left by singulo/tesla engines"
diff --git a/html/changelogs/AutoChangeLog-pr-55372.yml b/html/changelogs/AutoChangeLog-pr-55372.yml
deleted file mode 100644
index 3bf0714afa1..00000000000
--- a/html/changelogs/AutoChangeLog-pr-55372.yml
+++ /dev/null
@@ -1,5 +0,0 @@
-author: "Ghilker"
-delete-after: True
-changes: 
-  - tweak: "only anchored windows call move_update_turf()"
-  - tweak: "singularities from stage 2 and over will unanchor windows"