diff --git a/vendor/ShortcutRecorder/Sources/ShortcutRecorder/SRKeyCodeTransformer.m b/vendor/ShortcutRecorder/Sources/ShortcutRecorder/SRKeyCodeTransformer.m
index e2893303..911e5dbf 100644
--- a/vendor/ShortcutRecorder/Sources/ShortcutRecorder/SRKeyCodeTransformer.m
+++ b/vendor/ShortcutRecorder/Sources/ShortcutRecorder/SRKeyCodeTransformer.m
@@ -211,6 +211,30 @@ typedef TISInputSourceRef (*_SRKeyCodeTransformerCacheInputSourceCreate)(void);
         }
 
         CFDataRef layoutData = TISGetInputSourceProperty(inputSource, kTISPropertyUnicodeKeyLayoutData);
+        if (!layoutData)
+        {
+            // The current input source has no uchr data — happens when the only enabled
+            // input source is a non-Latin IME (e.g. WeType Pinyin) and no ASCII-capable
+            // keyboard layout is enabled. Fall back to the US layout, which is always
+            // installed on macOS even when not enabled by the user.
+            NSDictionary *filter = @{(__bridge NSString *)kTISPropertyInputSourceID: @"com.apple.keylayout.US"};
+            CFArrayRef sources = TISCreateInputSourceList((__bridge CFDictionaryRef)filter, true);
+            if (sources)
+            {
+                CFAutorelease(sources);
+                if (CFArrayGetCount(sources) > 0)
+                {
+                    TISInputSourceRef usSource = (TISInputSourceRef)CFArrayGetValueAtIndex(sources, 0);
+                    layoutData = TISGetInputSourceProperty(usSource, kTISPropertyUnicodeKeyLayoutData);
+                }
+            }
+            if (!layoutData)
+            {
+                os_trace_error("#Critical No keyboard layout data available, even US fallback failed");
+                return nil;
+            }
+            os_trace_debug("Using US layout fallback (no ASCII-capable keyboard layout enabled)");
+        }
         const UCKeyboardLayout *keyLayout = (const UCKeyboardLayout *)CFDataGetBytePtr(layoutData);
         static const UniCharCount MaxLength = 255;
         UniCharCount actualLength = 0;
diff --git a/vendor/ShortcutRecorder/UPSTREAM b/vendor/ShortcutRecorder/UPSTREAM
index 324d1c5e..a6e9a0d5 100644
--- a/vendor/ShortcutRecorder/UPSTREAM
+++ b/vendor/ShortcutRecorder/UPSTREAM
@@ -1,3 +1,3 @@
-VERSION=alt-tab-current@9013a00dbf5cf05db923b0bcb2f9804b2c834a4b
+VERSION=alt-tab-current@52c6273d233f7794e4fd5d22f50d2de0e4e41b19
 SOURCE=https://github.com/lwouis/ShortcutRecorder.git
-DATE=2026-05-16
+DATE=2026-05-25
diff --git a/vendor/scripts/update_shortcut_recorder.sh b/vendor/scripts/update_shortcut_recorder.sh
index 10941f48..8354206d 100755
--- a/vendor/scripts/update_shortcut_recorder.sh
+++ b/vendor/scripts/update_shortcut_recorder.sh
@@ -4,7 +4,7 @@
 set -euo pipefail
 . "$(dirname "$0")/lib/common.sh"
 
-UPSTREAM_COMMIT="594b360e07a8a368ffec2567f77e465477b9994f"
+UPSTREAM_COMMIT="52c6273d233f7794e4fd5d22f50d2de0e4e41b19"
 UPSTREAM_BRANCH="alt-tab-current"
 GIT_URL="https://github.com/lwouis/ShortcutRecorder.git"
 DEST="vendor/ShortcutRecorder"