diff --git a/.gitmodules b/.gitmodules
index 871f85b513b..83c95bab23b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -9,11 +9,11 @@
 [submodule "external/debugger-libs"]
     path = external/debugger-libs
     url = https://github.com/mono/debugger-libs
-    branch = master
+    branch = main
 [submodule "external/Java.Interop"]
     path = external/Java.Interop
     url = https://github.com/xamarin/java.interop.git
-    branch = master
+    branch = main
 [submodule "external/lz4"]
     path = external/lz4
     url = https://github.com/lz4/lz4.git
@@ -29,7 +29,7 @@
 [submodule "external/opentk"]
     path = external/opentk
     url = https://github.com/mono/opentk.git
-    branch = master
+    branch = main
 [submodule "external/proguard"]
     path = external/proguard
     url = https://github.com/Guardsquare/proguard.git
diff --git a/Directory.Build.props b/Directory.Build.props
index e471af2ef4d..f61b76e7dcd 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <ProductVersion>11.2.99</ProductVersion>
+    <ProductVersion>11.3.99</ProductVersion>
     <!-- NuGet package version numbers. See Documentation/guides/OneDotNet.md.
          Rules:
          * Reset patch version (third number) to 100 every time either major or minor version is bumped.
diff --git a/external/debugger-libs b/external/debugger-libs
index 8bf09ce9613..08268b730a7 160000
--- a/external/debugger-libs
+++ b/external/debugger-libs
@@ -1 +1 @@
-Subproject commit 8bf09ce96132b74e416ed9a9c332b6e7b6de1234
+Subproject commit 08268b730a73cca0e3b3ac9c703f0b773a3be25b
diff --git a/external/opentk b/external/opentk
index 933939da123..50128f7a636 160000
--- a/external/opentk
+++ b/external/opentk
@@ -1 +1 @@
-Subproject commit 933939da123a3fe4a040d57a589b43af99175037
+Subproject commit 50128f7a636472e202ff6717b62b820c8ca427c2
diff --git a/external/xamarin-android-tools b/external/xamarin-android-tools
index d92fc3e3a27..c5732a0e9f4 160000
--- a/external/xamarin-android-tools
+++ b/external/xamarin-android-tools
@@ -1 +1 @@
-Subproject commit d92fc3e3a27e8240551baa813b15d6bf006a5620
+Subproject commit c5732a0e9f4bd4176f43b0568880cfe453fc78de