diff --git a/.github/workflows/check-pr.yml b/.github/workflows/check-pr.yml
index f631f69dea..abb0d44706 100644
--- a/.github/workflows/check-pr.yml
+++ b/.github/workflows/check-pr.yml
@@ -29,6 +29,6 @@ jobs:
 
           Please redo this PR starting with the `bugfix-2.1.x` branch and be careful to target `bugfix-2.1.x` when resubmitting the PR. Patches may also target `bugfix-2.0.x` if they are specifically for 2.0.9.x.
 
-          It may help to set your fork's default branch to `bugfix-2.0.x`.
+          It may help to set your fork's default branch to `bugfix-2.1.x`.
 
           See [this page](https://marlinfw.org/docs/development/getting_started_pull_requests.html) for full instructions.
diff --git a/buildroot/bin/use_example_configs b/buildroot/bin/use_example_configs
old mode 100755
new mode 100644
diff --git a/buildroot/share/git/mfinfo b/buildroot/share/git/mfinfo
old mode 100755
new mode 100644
diff --git a/buildroot/share/git/mfprep b/buildroot/share/git/mfprep
old mode 100755
new mode 100644
diff --git a/ini/native.ini b/ini/native.ini
index 1905559fd0..6bd2fa123b 100644
--- a/ini/native.ini
+++ b/ini/native.ini
@@ -41,7 +41,7 @@ debug_build_flags = -fstack-protector-strong -g -g3 -ggdb
 lib_compat_mode   = off
 build_src_filter  = ${common.default_src_filter} +<src/HAL/NATIVE_SIM>
 lib_deps          = ${common.lib_deps}
-  MarlinSimUI=https://github.com/p3p/MarlinSimUI/archive/refs/heads/bugfix-2.0.x.zip
+  MarlinSimUI=https://github.com/p3p/MarlinSimUI/archive/refs/heads/bugfix-2.1.x.zip
   Adafruit NeoPixel=https://github.com/p3p/Adafruit_NeoPixel/archive/marlin_sim_native.zip
   LiquidCrystal=https://github.com/p3p/LiquidCrystal/archive/master.zip
 extra_scripts = ${common.extra_scripts}