diff --git a/.gitmoduleversions b/.gitmoduleversions
index 825b8e23..b3a75fd2 100644
--- a/.gitmoduleversions
+++ b/.gitmoduleversions
@@ -1 +1 @@
- f83dfc6e4925364f6489fc361627d435a125b50f third_party/SDL_GameControllerDB/assets/input (remotes/origin/HEAD)
++eb831f75abb5c796fb2f2843c3e055d2b8cba29b third_party/SDL_GameControllerDB/assets/input (remotes/origin/HEAD)
diff --git a/.lastreleaseversion b/.lastreleaseversion
index 302cfa87..55bb27ed 100644
--- a/.lastreleaseversion
+++ b/.lastreleaseversion
@@ -1 +1 @@
-1.4.50+20230927.3069.edb8f108
+1.4.72+20231030.3091.de20c129
diff --git a/.lastreleaseversioncode b/.lastreleaseversioncode
index 32715f1d..07bd39d1 100644
--- a/.lastreleaseversioncode
+++ b/.lastreleaseversioncode
@@ -1 +1 @@
-104300500
+104300720
diff --git a/XcodeProjects/iOS/aaaaxy.xcodeproj/project.pbxproj b/XcodeProjects/iOS/aaaaxy.xcodeproj/project.pbxproj
index b4677b2d..ab2f2aec 100644
--- a/XcodeProjects/iOS/aaaaxy.xcodeproj/project.pbxproj
+++ b/XcodeProjects/iOS/aaaaxy.xcodeproj/project.pbxproj
@@ -328,7 +328,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.4.50;
+				MARKETING_VERSION = 1.4.72;
 				PRODUCT_BUNDLE_IDENTIFIER = io.github.divverent.aaaaxy;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
@@ -366,7 +366,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.4.50;
+				MARKETING_VERSION = 1.4.72;
 				PRODUCT_BUNDLE_IDENTIFIER = io.github.divverent.aaaaxy;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
diff --git a/fastlane/metadata/android/en-US/changelogs/104300720.txt b/fastlane/metadata/android/en-US/changelogs/104300720.txt
new file mode 100644
index 00000000..f7d68655
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/104300720.txt
@@ -0,0 +1,8 @@
+  - Engine: add more dither patterns: `-palette_dither_mode=checker2`, `-palette_dither_mode=hybrid2`, `-palette_dither_mode=square2`.
+  - Engine: add new flag: `-readonly`; disables all saving for speedrunning/TAS.
+  - Engine: add new flag: `-show_pos` for a position/speed HUD for speedrunning/TAS.
+  - Engine: minor module updates; preparations for Ebitengine 2.6.
+  - Game: add new cheat: `-cheat_vvvvvv`.
+
+Important announcement: a future version will use Ebitengine 2.6. This
+will increase the GPU requirement to OpenGL 3.
diff --git a/io.github.divverent.aaaaxy.metainfo.xml b/io.github.divverent.aaaaxy.metainfo.xml
index 40c6bd87..ea5f6049 100644
--- a/io.github.divverent.aaaaxy.metainfo.xml
+++ b/io.github.divverent.aaaaxy.metainfo.xml
@@ -55,9 +55,9 @@
     <content_attribute id="language-humor">mild</content_attribute>
   </content_rating>
   <releases>
-    <release version="v1.4.50" date="2023-09-27">
-      <description><ul><li>Engine: update Ebitengine to v2.5.10; fixes iOS crashes.</li><li>Engine: update modules.</li></ul></description>
-      <url>https://github.com/divVerent/aaaaxy/releases/v1.4.50</url>
+    <release version="v1.4.72" date="2023-10-30">
+      <description><ul><li>Engine: add more dither patterns: `-palette_dither_mode=checker2`, `-palette_dither_mode=hybrid2`, `-palette_dither_mode=square2`.</li><li>Engine: add new flag: `-readonly`; disables all saving for speedrunning/TAS.</li><li>Engine: add new flag: `-show_pos` for a position/speed HUD for speedrunning/TAS.</li><li>Engine: minor module updates; preparations for Ebitengine 2.6.</li><li>Game: add new cheat: `-cheat_vvvvvv`.  Important announcement: a future version will use Ebitengine 2.6. This will increase the GPU requirement to OpenGL 3.</li></ul></description>
+      <url>https://github.com/divVerent/aaaaxy/releases/v1.4.72</url>
     </release>
   </releases>
 </component>
diff --git a/third_party/SDL_GameControllerDB/assets/input b/third_party/SDL_GameControllerDB/assets/input
index f83dfc6e..eb831f75 160000
--- a/third_party/SDL_GameControllerDB/assets/input
+++ b/third_party/SDL_GameControllerDB/assets/input
@@ -1 +1 @@
-Subproject commit f83dfc6e4925364f6489fc361627d435a125b50f
+Subproject commit eb831f75abb5c796fb2f2843c3e055d2b8cba29b