diff --git a/SyncthingNative_update_and_build.cmd b/SyncthingNative_update_and_build.cmd
index 3ee845189..7563acd4b 100644
--- a/SyncthingNative_update_and_build.cmd
+++ b/SyncthingNative_update_and_build.cmd
@@ -9,7 +9,7 @@ REM Script Consts.
 SET CLEAN_BEFORE_BUILD=1
 SET SKIP_CHECKOUT_SRC=0
 SET USE_GO_DEV=0
-SET DESIRED_SUBMODULE_VERSION=v1.14.0
+SET DESIRED_SUBMODULE_VERSION=v1.15.0-rc.4
 SET GRADLEW_PARAMS=-q
 REM
 REM Runtime Variables.
diff --git a/app/src/main/play/release-notes/en-GB/beta.txt b/app/src/main/play/release-notes/en-GB/beta.txt
index 6b42c1d23..f816ff695 100644
--- a/app/src/main/play/release-notes/en-GB/beta.txt
+++ b/app/src/main/play/release-notes/en-GB/beta.txt
@@ -1,5 +1,4 @@
-* Syncthing v1.14.0
-* Support new v1.14.x config format in the wrapper (#750)
+* Syncthing v1.15.0-rc.4
 
 Enhanced
 --
@@ -7,8 +6,7 @@ Enhanced
 
 Fixes
 --
-- Fixed "maxConflicts" setting not preserved by wrapper (#750)
-- Fixed Work profile path bug (#733)
+
 
 Other issues
 --
diff --git a/app/versions.gradle b/app/versions.gradle
index bae2f4d0d..91d1eb1c8 100644
--- a/app/versions.gradle
+++ b/app/versions.gradle
@@ -1,6 +1,6 @@
 ext {
     versionMajor = 1
-    versionMinor = 14
+    versionMinor = 15
     versionPatch = 0
-    versionWrapper = 1
+    versionWrapper = 0
 }
diff --git a/git_diff_master.cmd b/git_diff_main.cmd
similarity index 96%
rename from git_diff_master.cmd
rename to git_diff_main.cmd
index 528e50c53..3396e4795 100644
--- a/git_diff_master.cmd
+++ b/git_diff_main.cmd
@@ -12,7 +12,7 @@ SET GIT_BIN=
 FOR /F "tokens=*" %%A IN ('where git 2^> NUL:') DO SET GIT_BIN="%%A"
 IF NOT EXIST %GIT_BIN% echo [ERROR] GIT_BIN not found. & goto :pauseExit
 REM 
-call :runGit --no-pager diff master
+call :runGit --no-pager diff main
 REM 
 pause
 goto :eof
diff --git a/syncthing/src/github.com/syncthing/syncthing b/syncthing/src/github.com/syncthing/syncthing
index e2e5643c3..cd21b8dfa 160000
--- a/syncthing/src/github.com/syncthing/syncthing
+++ b/syncthing/src/github.com/syncthing/syncthing
@@ -1 +1 @@
-Subproject commit e2e5643c3c96c5dd7d1c6643d8106a54f1183544
+Subproject commit cd21b8dfa55ba6017980f278033d21c1465cadaa