diff --git a/.travis.yml b/.travis.yml
index a1332d3..41625d4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
language: objective-c
os: osx
-osx_image: xcode10.2
+osx_image: xcode11
before_install:
- gem install xcpretty
- carthage update --no-use-binaries --platform ios
diff --git a/Documentation/Unio0_5_0MigrationGuide.md b/Documentation/Unio0_5_0MigrationGuide.md
new file mode 100644
index 0000000..a99dd9b
--- /dev/null
+++ b/Documentation/Unio0_5_0MigrationGuide.md
@@ -0,0 +1,14 @@
+# Unio 0.5.0 Migration Guide
+
+Unio 0.5.0 introduces some breaking changes.
+
+## Classes
+
+- [RENAME] `Relay` -> `InputWrapper`
+- [RENAME] `Relay