src/core/annotation.js

@@ -3290,7 +3290,7 @@ class ButtonWidgetAnnotation extends WidgetAnnotation {
         ? this.data.fieldValue
         : "Yes";
 
-    const exportValues = this._decodeFormValue(normalAppearance.getKeys());
+    const exportValues = normalAppearance.getKeys();
     if (exportValues.length === 0) {
       exportValues.push("Off", yes);
     } else if (exportValues.length === 1) {

src/core/catalog.js

@@ -1029,7 +1029,7 @@ class Catalog {
       } else if (resultObj.action) {
         openAction.action = resultObj.action;
       }
-    } else if (isValidExplicitDest(obj)) {
+    } else if (Array.isArray(obj)) {
       openAction.dest = obj;
     }
     return shadow(

test/pdfs/issue19753.pdf.link

@@ -1 +0,0 @@
-https://github.com/user-attachments/files/19566810/PDFjs_fails_checkboxState.pdf

test/test_manifest.json

@@ -12114,14 +12114,5 @@
     "md5": "2abe67c8b34522feb6b85d252dde9d3e",
     "rounds": 1,
     "type": "eq"
-  },
-  {
-    "id": "issue19753",
-    "file": "pdfs/issue19753.pdf",
-    "md5": "6b1fe0af506860002a9411f5f0d6437f",
-    "rounds": 1,
-    "type": "eq",
-    "forms": true,
-    "link": true
   }
 ]