diff --git a/bin/build-site.sh b/bin/build-site.sh
index f1859e1398..fa402c204e 100755
--- a/bin/build-site.sh
+++ b/bin/build-site.sh
@@ -5,7 +5,7 @@
 # Default to the current version number for building the plugin library
 
 if [  -z "$TW5_BUILD_VERSION" ]; then
-    TW5_BUILD_VERSION=v5.4.0
+    TW5_BUILD_VERSION=v5.3.8
 fi
 
 echo "Using TW5_BUILD_VERSION as [$TW5_BUILD_VERSION]"
diff --git a/core/wiki/config/OfficialPluginLibrary.tid b/core/wiki/config/OfficialPluginLibrary.tid
index bb55927a30..0373f32086 100644
--- a/core/wiki/config/OfficialPluginLibrary.tid
+++ b/core/wiki/config/OfficialPluginLibrary.tid
@@ -1,6 +1,6 @@
 title: $:/config/OfficialPluginLibrary
 tags: $:/tags/PluginLibrary
-url: https://tiddlywiki.com/library/v5.4.0/index.html
+url: https://tiddlywiki.com/library/v5.3.8/index.html
 caption: {{$:/language/OfficialPluginLibrary}}
 
 {{$:/language/OfficialPluginLibrary/Hint}}
diff --git a/editions/prerelease/tiddlers/Release 5.4.0.tid b/editions/prerelease/tiddlers/Release 5.4.0.tid
deleted file mode 100644
index c5f73b97d4..0000000000
--- a/editions/prerelease/tiddlers/Release 5.4.0.tid	
+++ /dev/null
@@ -1,62 +0,0 @@
-caption: 5.4.0
-created: 20250807084952911
-modified: 20250807084952911
-tags: ReleaseNotes
-title: Release 5.4.0
-type: text/vnd.tiddlywiki
-description: Under development
-
-//[[See GitHub for detailed change history of this release|https://github.com/TiddlyWiki/TiddlyWiki5/compare/v5.3.8...master]]//
-
-
-
-! New Features
-
--
-
-! Translation improvements
-
-*
-
-! Plugin Improvements
-
-* 
-
-! Widget Improvements
-
-* 
-
-! Usability Improvements
-
-*
-
-! Palette Improvements
-
-*
-
-! Hackability Improvements
-
-*
-
-! Bug Fixes
-
-*
-
-! Node.js Improvements
-
-* 
-
-! Performance Improvements
-
-* 
-
-! Developer Improvements
-
-* 
-
-! Acknowledgements
-
-[[@Jermolene|https://github.com/Jermolene]] would like to thank the contributors to this release who have generously given their time to help improve TiddlyWiki:
-
-<<.contributors """
-""">>
\ No newline at end of file
diff --git a/editions/prerelease/tiddlers/system/PrereleaseLocalPluginLibrary.tid b/editions/prerelease/tiddlers/system/PrereleaseLocalPluginLibrary.tid
index bc2c62e1eb..91251f02c1 100644
--- a/editions/prerelease/tiddlers/system/PrereleaseLocalPluginLibrary.tid
+++ b/editions/prerelease/tiddlers/system/PrereleaseLocalPluginLibrary.tid
@@ -1,6 +1,6 @@
 title: $:/config/LocalPluginLibrary
 tags: $:/tags/PluginLibrary
-url: http://127.0.0.1:8080/prerelease/library/v5.4.0/index.html
+url: http://127.0.0.1:8080/prerelease/library/v5.3.8/index.html
 caption: {{$:/language/OfficialPluginLibrary}} (Prerelease Local)
 
 A locally installed version of the official ~TiddlyWiki plugin library at tiddlywiki.com for testing and debugging. //Requires a local web server to share the library//
diff --git a/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid b/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
index 1ca7cbdb82..6c29d03af5 100644
--- a/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
+++ b/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
@@ -1,6 +1,6 @@
 title: $:/config/OfficialPluginLibrary
 tags: $:/tags/PluginLibrary
-url: https://tiddlywiki.com/prerelease/library/v5.4.0/index.html
+url: https://tiddlywiki.com/prerelease/library/v5.3.8/index.html
 caption: {{$:/language/OfficialPluginLibrary}} (Prerelease)
 
 The prerelease version of the official ~TiddlyWiki plugin library at tiddlywiki.com. Plugins, themes and language packs are maintained by the core team.
diff --git a/editions/tw5.com/tiddlers/images/New Release Banner.png b/editions/tw5.com/tiddlers/images/New Release Banner.png
index 7c2cb16c23..b1f77b1893 100644
Binary files a/editions/tw5.com/tiddlers/images/New Release Banner.png and b/editions/tw5.com/tiddlers/images/New Release Banner.png differ
diff --git a/package.json b/package.json
index fb499d299a..bd02267a90 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "tiddlywiki",
   "preferGlobal": true,
-  "version": "5.4.0-prerelease",
+  "version": "5.3.8",
   "author": "Jeremy Ruston <jeremy@jermolene.com>",
   "description": "a non-linear personal web notebook",
   "contributors": [