diff --git a/CHANGELOG.md b/CHANGELOG.md
index d384992bd2ce..4f3fee3a3331 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,20 @@
 
 All notable changes to cmux are documented here.
 
+## [0.64.3] - 2026-05-05
+
+### Added
+- `cmux config` CLI with `cmux config doctor` for validating `cmux.json` without a socket, plus `cmux config path`, `cmux config docs`, and `cmux config reload` aliases ([#3454](https://github.com/manaflow-ai/cmux/pull/3454))
+
+### Fixed
+- Fix launch crash from off-main-thread CoreAnimation transactions when reapplying managed settings ([#3598](https://github.com/manaflow-ai/cmux/pull/3598))
+- Fix file preview drag-and-drop so Finder and sidebar drops route into the hovered pane and tab bar drops insert as preview tabs ([#3539](https://github.com/manaflow-ai/cmux/pull/3539))
+
+### Thanks to 2 contributors!
+
+- [@austinywang](https://github.com/austinywang)
+- [@lawrencecchen](https://github.com/lawrencecchen)
+
 ## [0.64.2] - 2026-05-05
 
 ### Fixed
diff --git a/GhosttyTabs.xcodeproj/project.pbxproj b/GhosttyTabs.xcodeproj/project.pbxproj
index 8cdc633a9539..4095ad9b706c 100644
--- a/GhosttyTabs.xcodeproj/project.pbxproj
+++ b/GhosttyTabs.xcodeproj/project.pbxproj
@@ -1949,10 +1949,10 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 82;
+				CURRENT_PROJECT_VERSION = 83;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.64.2;
+				MARKETING_VERSION = 0.64.3;
 				ONLY_ACTIVE_ARCH = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.appuitests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -2031,7 +2031,7 @@
 				CODE_SIGN_ENTITLEMENTS = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 82;
+				CURRENT_PROJECT_VERSION = 83;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = NO;
 				GENERATE_INFOPLIST_FILE = NO;
@@ -2040,7 +2040,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 0.64.2;
+				MARKETING_VERSION = 0.64.3;
 				OTHER_LDFLAGS = (
 					"-lc++",
 					"-framework",
@@ -2071,7 +2071,7 @@
 				CODE_SIGN_ENTITLEMENTS = Resources/cmux.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 82;
+				CURRENT_PROJECT_VERSION = 83;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = NO;
 				GENERATE_INFOPLIST_FILE = NO;
@@ -2080,7 +2080,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 0.64.2;
+				MARKETING_VERSION = 0.64.3;
 				ONLY_ACTIVE_ARCH = NO;
 				OTHER_LDFLAGS = (
 					"-lc++",
@@ -2147,10 +2147,10 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 82;
+				CURRENT_PROJECT_VERSION = 83;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.64.2;
+				MARKETING_VERSION = 0.64.3;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.appuitests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -2165,7 +2165,7 @@
 			buildSettings = {
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 82;
+				CURRENT_PROJECT_VERSION = 83;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -2174,7 +2174,7 @@
 				INFOPLIST_KEY_NSPrincipalClass = "";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Bundles";
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.64.2;
+				MARKETING_VERSION = 0.64.3;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.app.docktileplugin.debug;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -2190,7 +2190,7 @@
 			buildSettings = {
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 82;
+				CURRENT_PROJECT_VERSION = 83;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -2199,7 +2199,7 @@
 				INFOPLIST_KEY_NSPrincipalClass = "";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Bundles";
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.64.2;
+				MARKETING_VERSION = 0.64.3;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.app.docktileplugin;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -2214,10 +2214,10 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 82;
+				CURRENT_PROJECT_VERSION = 83;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.64.2;
+				MARKETING_VERSION = 0.64.3;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.apptests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -2233,10 +2233,10 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 82;
+				CURRENT_PROJECT_VERSION = 83;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 14.0;
-				MARKETING_VERSION = 0.64.2;
+				MARKETING_VERSION = 0.64.3;
 				ONLY_ACTIVE_ARCH = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.apptests;
 				PRODUCT_NAME = "$(TARGET_NAME)";