diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9645fee4..18e57a45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,18 @@
 
 All notable changes to cmux are documented here.
 
+## [0.63.1] - 2026-03-28
+
+### Fixed
+- Fix crash on startup after upgrading from older versions due to stale window geometry data ([#2306](https://github.com/manaflow-ai/cmux/pull/2306))
+- Fix re-entrant `displayIfNeeded` crash during layout follow-up from SwiftUI geometry changes ([#2305](https://github.com/manaflow-ai/cmux/pull/2305)) — thanks @KyleJamesWalker!
+- Fix macOS compatibility with versioned geometry persistence to prevent future upgrade crashes ([#2308](https://github.com/manaflow-ai/cmux/pull/2308))
+
+### Thanks to 2 contributors!
+
+- [@austinywang](https://github.com/austinywang)
+- [@KyleJamesWalker](https://github.com/KyleJamesWalker)
+
 ## [0.63.0] - 2026-03-28
 
 ### Added
diff --git a/GhosttyTabs.xcodeproj/project.pbxproj b/GhosttyTabs.xcodeproj/project.pbxproj
index ae1633ac..5dc245ec 100644
--- a/GhosttyTabs.xcodeproj/project.pbxproj
+++ b/GhosttyTabs.xcodeproj/project.pbxproj
@@ -941,7 +941,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 0.63.0;
+				MARKETING_VERSION = 0.63.1;
 				OTHER_LDFLAGS = (
 					"-lc++",
 					"-framework",
@@ -980,7 +980,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 0.63.0;
+				MARKETING_VERSION = 0.63.1;
 				OTHER_LDFLAGS = (
 					"-lc++",
 					"-framework",
@@ -1050,7 +1050,7 @@
 				CURRENT_PROJECT_VERSION = 78;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.63.0;
+				MARKETING_VERSION = 0.63.1;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.appuitests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1067,7 +1067,7 @@
 				CURRENT_PROJECT_VERSION = 78;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.63.0;
+				MARKETING_VERSION = 0.63.1;
 				ONLY_ACTIVE_ARCH = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.appuitests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1084,7 +1084,7 @@
 				CURRENT_PROJECT_VERSION = 78;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.63.0;
+				MARKETING_VERSION = 0.63.1;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.apptests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1103,7 +1103,7 @@
 				CURRENT_PROJECT_VERSION = 78;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.63.0;
+				MARKETING_VERSION = 0.63.1;
 				ONLY_ACTIVE_ARCH = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.apptests;
 				PRODUCT_NAME = "$(TARGET_NAME)";