diff --git a/wp-includes/js/dist/vendor/wp-polyfill-dom-rect.js b/wp-includes/js/dist/vendor/wp-polyfill-dom-rect.js
index 9ed8ce994e..ee123bed91 100644
--- a/wp-includes/js/dist/vendor/wp-polyfill-dom-rect.js
+++ b/wp-includes/js/dist/vendor/wp-polyfill-dom-rect.js
@@ -4,7 +4,7 @@
 	function number(v) {
 		return v === undefined ? 0 : Number(v);
 	}
-	
+
 	function different(u, v) {
 		return u !== v && !(isNaN(u) && isNaN(v));
 	}
@@ -96,6 +96,6 @@
 			}
 		});
 	}
-	
+
 	global.DOMRect = DOMRect;
 }(self));
diff --git a/wp-includes/js/dist/vendor/wp-polyfill-formdata.js b/wp-includes/js/dist/vendor/wp-polyfill-formdata.js
index 8f06c0707a..8e7366059e 100644
--- a/wp-includes/js/dist/vendor/wp-polyfill-formdata.js
+++ b/wp-includes/js/dist/vendor/wp-polyfill-formdata.js
@@ -1,3 +1,5 @@
+/* formdata-polyfill. MIT License. Jimmy Wärting <https://jimmy.warting.se/opensource> */
+
 /* global FormData self Blob File */
 /* eslint-disable no-inner-declarations */
 
@@ -40,16 +42,13 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
     new File([], '') // eslint-disable-line
   } catch (a) {
     global.File = function File (b, d, c) {
-      const blob = new Blob(b, c)
+      const blob = new Blob(b, c || {})
       const t = c && void 0 !== c.lastModified ? new Date(c.lastModified) : new Date()
 
       Object.defineProperties(blob, {
         name: {
           value: d
         },
-        lastModifiedDate: {
-          value: t
-        },
         lastModified: {
           value: +t
         },
@@ -70,50 +69,52 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
     }
   }
 
-  function normalizeValue ([name, value, filename]) {
-    if (value instanceof Blob) {
-      // Should always returns a new File instance
-      // console.assert(fd.get(x) !== fd.get(x))
-      value = new File([value], filename, {
-        type: value.type,
-        lastModified: value.lastModified
-      })
-    }
-
-    return [name, value]
-  }
-
   function ensureArgs (args, expected) {
     if (args.length < expected) {
       throw new TypeError(`${expected} argument required, but only ${args.length} present.`)
     }
   }
 
+  /**
+   * @param {string} name
+   * @param {string | undefined} filename
+   * @returns {[string, File|string]}
+   */
   function normalizeArgs (name, value, filename) {
-    return value instanceof Blob
-      // normalize name and filename if adding an attachment
-      ? [String(name), value, filename !== undefined
-        ? filename + '' // Cast filename to string if 3th arg isn't undefined
-        : typeof value.name === 'string' // if name prop exist
-          ? value.name // Use File.name
-          : 'blob'] // otherwise fallback to Blob
+    if (value instanceof Blob) {
+      filename = filename !== undefined
+      ? String(filename + '')
+      : typeof value.name === 'string'
+      ? value.name
+      : 'blob'
 
-      // If no attachment, just cast the args to strings
-      : [String(name), String(value)]
+      if (value.name !== filename || Object.prototype.toString.call(value) === '[object Blob]') {
+        value = new File([value], filename)
+      }
+      return [String(name), value]
+    }
+    return [String(name), String(value)]
   }
 
-  // normalize linefeeds for textareas
+  // normalize line feeds for textarea
   // https://html.spec.whatwg.org/multipage/form-elements.html#textarea-line-break-normalisation-transformation
   function normalizeLinefeeds (value) {
-    return value.replace(/\r\n/g, '\n').replace(/\n/g, '\r\n')
+    return value.replace(/\r?\n|\r/g, '\r\n')
   }
 
+  /**
+   * @template T
+   * @param {ArrayLike<T>} arr
+   * @param {{ (elm: T): void; }} cb
+   */
   function each (arr, cb) {
     for (let i = 0; i < arr.length; i++) {
       cb(arr[i])
     }
   }
 
+  const escape = str => str.replace(/\n/g, '%0A').replace(/\r/g, '%0D').replace(/"/g, '%22')
+
   /**
    * @implements {Iterable}
    */
@@ -121,14 +122,14 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
     /**
      * FormData class
      *
-     * @param {HTMLElement=} form
+     * @param {HTMLFormElement=} form
      */
     constructor (form) {
+      /** @type {[string, string|File][]} */
       this._data = []
 
       const self = this
-
-      form && each(form.elements, elm => {
+      form && each(form.elements, (/** @type {HTMLInputElement} */ elm) => {
         if (
           !elm.name ||
           elm.disabled ||
@@ -196,7 +197,7 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
      */
     * entries () {
       for (var i = 0; i < this._data.length; i++) {
-        yield normalizeValue(this._data[i])
+        yield this._data[i]
       }
     }
 
@@ -205,7 +206,6 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
      *
      * @param   {Function}  callback  Executed for each item with parameters (value, name, thisArg)
      * @param   {Object=}   thisArg   `this` context for callback function
-     * @return  {undefined}
      */
     forEach (callback, thisArg) {
       ensureArgs(arguments, 1)
@@ -216,7 +216,7 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
 
     /**
      * Return first field value given name
-     * or null if non existen
+     * or null if non existent
      *
      * @param   {string}  name      Field name
      * @return  {string|File|null}  value Fields value
@@ -227,7 +227,7 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
       name = String(name)
       for (let i = 0; i < entries.length; i++) {
         if (entries[i][0] === name) {
-          return normalizeValue(entries[i])[1]
+          return entries[i][1]
         }
       }
       return null
@@ -244,7 +244,7 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
       const result = []
       name = String(name)
       each(this._data, data => {
-        data[0] === name && result.push(normalizeValue(data)[1])
+        data[0] === name && result.push(data[1])
       })
 
       return result
@@ -284,17 +284,17 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
      * @param   {string}    name      Filed name
      * @param   {string}    value     Field value
      * @param   {string=}   filename  Filename (optional)
-     * @return  {undefined}
      */
     set (name, value, filename) {
       ensureArgs(arguments, 2)
       name = String(name)
+      /** @type {[string, string|File][]} */
       const result = []
       const args = normalizeArgs(name, value, filename)
       let replace = true
 
       // - replace the first occurrence with same name
-      // - discards the remaning with same name
+      // - discards the remaining with same name
       // - while keeping the same order items where added
       each(this._data, data => {
         data[0] === name
@@ -340,38 +340,23 @@ if (typeof Blob !== 'undefined' && (typeof FormData === 'undefined' || !FormData
      * @return {Blob} [description]
      */
     ['_blob'] () {
-      const boundary = '----formdata-polyfill-' + Math.random()
-      const chunks = []
-
-      for (const [name, value] of this) {
-        chunks.push(`--${boundary}\r\n`)
-
-        if (value instanceof Blob) {
-          chunks.push(
-            `Content-Disposition: form-data; name="${name}"; filename="${value.name}"\r\n` +
-            `Content-Type: ${value.type || 'application/octet-stream'}\r\n\r\n`,
-            value,
-            '\r\n'
-          )
-        } else {
-          chunks.push(
-            `Content-Disposition: form-data; name="${name}"\r\n\r\n${value}\r\n`
-          )
-        }
-      }
-
-      chunks.push(`--${boundary}--`)
-
-      return new Blob(chunks, {
-        type: 'multipart/form-data; boundary=' + boundary
-      })
+        const boundary = '----formdata-polyfill-' + Math.random(),
+          chunks = [],
+          p = `--${boundary}\r\nContent-Disposition: form-data; name="`
+        this.forEach((value, name) => typeof value == 'string'
+          ? chunks.push(p + escape(normalizeLinefeeds(name)) + `"\r\n\r\n${normalizeLinefeeds(value)}\r\n`)
+          : chunks.push(p + escape(normalizeLinefeeds(name)) + `"; filename="${escape(value.name)}"\r\nContent-Type: ${value.type||"application/octet-stream"}\r\n\r\n`, value, `\r\n`))
+        chunks.push(`--${boundary}--`)
+        return new Blob(chunks, {
+          type: "multipart/form-data; boundary=" + boundary
+        })
     }
 
     /**
      * The class itself is iterable
      * alias for formdata.entries()
      *
-     * @return  {Iterator}
+     * @return {Iterator}
      */
     [Symbol.iterator] () {
       return this.entries()
diff --git a/wp-includes/js/dist/vendor/wp-polyfill-formdata.min.js b/wp-includes/js/dist/vendor/wp-polyfill-formdata.min.js
index a9dc52f55b..85188c4207 100644
--- a/wp-includes/js/dist/vendor/wp-polyfill-formdata.min.js
+++ b/wp-includes/js/dist/vendor/wp-polyfill-formdata.min.js
@@ -1 +1,2 @@
-!function(){var t;function e(t){var e=0;return function(){return e<t.length?{done:!1,value:t[e++]}:{done:!0}}}var n="function"==typeof Object.defineProperties?Object.defineProperty:function(t,e,n){return t==Array.prototype||t==Object.prototype||(t[e]=n.value),t};var r,o=function(t){t=["object"==typeof globalThis&&globalThis,t,"object"==typeof window&&window,"object"==typeof self&&self,"object"==typeof global&&global];for(var e=0;e<t.length;++e){var n=t[e];if(n&&n.Math==Math)return n}throw Error("Cannot find global object")}(this);function i(t,e){if(e)t:{for(var r=o,i=t.split("."),a=0;a<i.length-1;a++){var u=i[a];if(!(u in r))break t;r=r[u]}(u=e(a=r[i=i[i.length-1]]))!=a&&null!=u&&n(r,i,{configurable:!0,writable:!0,value:u})}}function a(t){return(t={next:t})[Symbol.iterator]=function(){return this},t}function u(t){var n="undefined"!=typeof Symbol&&Symbol.iterator&&t[Symbol.iterator];return n?n.call(t):{next:e(t)}}if(i("Symbol",(function(t){function e(t,e){this.A=t,n(this,"description",{configurable:!0,writable:!0,value:e})}if(t)return t;e.prototype.toString=function(){return this.A};var r="jscomp_symbol_"+(1e9*Math.random()>>>0)+"_",o=0;return function t(n){if(this instanceof t)throw new TypeError("Symbol is not a constructor");return new e(r+(n||"")+"_"+o++,n)}})),i("Symbol.iterator",(function(t){if(t)return t;t=Symbol("Symbol.iterator");for(var r="Array Int8Array Uint8Array Uint8ClampedArray Int16Array Uint16Array Int32Array Uint32Array Float32Array Float64Array".split(" "),i=0;i<r.length;i++){var u=o[r[i]];"function"==typeof u&&"function"!=typeof u.prototype[t]&&n(u.prototype,t,{configurable:!0,writable:!0,value:function(){return a(e(this))}})}return t})),"function"==typeof Object.setPrototypeOf)r=Object.setPrototypeOf;else{var l;t:{var s={};try{s.__proto__={a:!0},l=s.a;break t}catch(t){}l=!1}r=l?function(t,e){if(t.__proto__=e,t.__proto__!==e)throw new TypeError(t+" is not extensible");return t}:null}var f=r;function c(){this.m=!1,this.j=null,this.v=void 0,this.h=1,this.u=this.C=0,this.l=null}function h(t){if(t.m)throw new TypeError("Generator is already running");t.m=!0}function p(t,e){return t.h=3,{value:e}}function y(t){this.g=new c,this.G=t}function v(t,e,n,r){try{var o=e.call(t.g.j,n);if(!(o instanceof Object))throw new TypeError("Iterator result "+o+" is not an object");if(!o.done)return t.g.m=!1,o;var i=o.value}catch(e){return t.g.j=null,t.g.s(e),d(t)}return t.g.j=null,r.call(t.g,i),d(t)}function d(t){for(;t.g.h;)try{var e=t.G(t.g);if(e)return t.g.m=!1,{value:e.value,done:!1}}catch(e){t.g.v=void 0,t.g.s(e)}if(t.g.m=!1,t.g.l){if(e=t.g.l,t.g.l=null,e.F)throw e.D;return{value:e.return,done:!0}}return{value:void 0,done:!0}}function b(t){this.next=function(e){return t.o(e)},this.throw=function(e){return t.s(e)},this.return=function(e){return function(t,e){h(t.g);var n=t.g.j;return n?v(t,"return"in n?n.return:function(t){return{value:t,done:!0}},e,t.g.return):(t.g.return(e),d(t))}(t,e)},this[Symbol.iterator]=function(){return this}}function g(t,e){var n=new b(new y(e));return f&&t.prototype&&f(n,t.prototype),n}if(c.prototype.o=function(t){this.v=t},c.prototype.s=function(t){this.l={D:t,F:!0},this.h=this.C||this.u},c.prototype.return=function(t){this.l={return:t},this.h=this.u},y.prototype.o=function(t){return h(this.g),this.g.j?v(this,this.g.j.next,t,this.g.o):(this.g.o(t),d(this))},y.prototype.s=function(t){return h(this.g),this.g.j?v(this,this.g.j.throw,t,this.g.o):(this.g.s(t),d(this))},"undefined"!=typeof Blob&&("undefined"==typeof FormData||!FormData.prototype.keys)){var m=function(t,e){for(var n=0;n<t.length;n++)e(t[n])},w=function(t,e,n){return e instanceof Blob?[String(t),e,void 0!==n?n+"":"string"==typeof e.name?e.name:"blob"]:[String(t),String(e)]},S=function(t,e){if(t.length<e)throw new TypeError(e+" argument required, but only "+t.length+" present.")},j=function(t){var e=u(t);t=e.next().value;var n=e.next().value;return e=e.next().value,n instanceof Blob&&(n=new File([n],e,{type:n.type,lastModified:n.lastModified})),[t,n]},x="object"==typeof globalThis?globalThis:"object"==typeof window?window:"object"==typeof self?self:this,_=x.FormData,F=x.XMLHttpRequest&&x.XMLHttpRequest.prototype.send,M=x.Request&&x.fetch,A=x.navigator&&x.navigator.sendBeacon,D=x.Element&&x.Element.prototype,B=x.Symbol&&Symbol.toStringTag;B&&(Blob.prototype[B]||(Blob.prototype[B]="Blob"),"File"in x&&!File.prototype[B]&&(File.prototype[B]="File"));try{new File([],"")}catch(t){x.File=function(t,e,n){return t=new Blob(t,n),n=n&&void 0!==n.lastModified?new Date(n.lastModified):new Date,Object.defineProperties(t,{name:{value:e},lastModifiedDate:{value:n},lastModified:{value:+n},toString:{value:function(){return"[object File]"}}}),B&&Object.defineProperty(t,B,{value:"File"}),t}}var T=function(t){this.i=[];var e=this;t&&m(t.elements,(function(t){if(t.name&&!t.disabled&&"submit"!==t.type&&"button"!==t.type&&!t.matches("form fieldset[disabled] *"))if("file"===t.type){var n=t.files&&t.files.length?t.files:[new File([],"",{type:"application/octet-stream"})];m(n,(function(n){e.append(t.name,n)}))}else"select-multiple"===t.type||"select-one"===t.type?m(t.options,(function(n){!n.disabled&&n.selected&&e.append(t.name,n.value)})):"checkbox"===t.type||"radio"===t.type?t.checked&&e.append(t.name,t.value):(n="textarea"===t.type?t.value.replace(/\r\n/g,"\n").replace(/\n/g,"\r\n"):t.value,e.append(t.name,n))}))};if((t=T.prototype).append=function(t,e,n){S(arguments,2),this.i.push(w(t,e,n))},t.delete=function(t){S(arguments,1);var e=[];t=String(t),m(this.i,(function(n){n[0]!==t&&e.push(n)})),this.i=e},t.entries=function t(){var e,n=this;return g(t,(function(t){if(1==t.h&&(e=0),3!=t.h)return e<n.i.length?t=p(t,j(n.i[e])):(t.h=0,t=void 0),t;e++,t.h=2}))},t.forEach=function(t,e){S(arguments,1);for(var n=u(this),r=n.next();!r.done;r=n.next()){var o=u(r.value);r=o.next().value,o=o.next().value,t.call(e,o,r,this)}},t.get=function(t){S(arguments,1);var e=this.i;t=String(t);for(var n=0;n<e.length;n++)if(e[n][0]===t)return j(e[n])[1];return null},t.getAll=function(t){S(arguments,1);var e=[];return t=String(t),m(this.i,(function(n){n[0]===t&&e.push(j(n)[1])})),e},t.has=function(t){S(arguments,1),t=String(t);for(var e=0;e<this.i.length;e++)if(this.i[e][0]===t)return!0;return!1},t.keys=function t(){var e,n,r,o,i=this;return g(t,(function(t){if(1==t.h&&(e=u(i),n=e.next()),3!=t.h)return n.done?void(t.h=0):(r=n.value,o=u(r),p(t,o.next().value));n=e.next(),t.h=2}))},t.set=function(t,e,n){S(arguments,2),t=String(t);var r=[],o=w(t,e,n),i=!0;m(this.i,(function(e){e[0]===t?i&&(i=!r.push(o)):r.push(e)})),i&&r.push(o),this.i=r},t.values=function t(){var e,n,r,o,i=this;return g(t,(function(t){if(1==t.h&&(e=u(i),n=e.next()),3!=t.h)return n.done?void(t.h=0):(r=n.value,(o=u(r)).next(),p(t,o.next().value));n=e.next(),t.h=2}))},T.prototype._asNative=function(){for(var t=new _,e=u(this),n=e.next();!n.done;n=e.next()){var r=u(n.value);n=r.next().value,r=r.next().value,t.append(n,r)}return t},T.prototype._blob=function(){for(var t="----formdata-polyfill-"+Math.random(),e=[],n=u(this),r=n.next();!r.done;r=n.next()){var o=u(r.value);r=o.next().value,o=o.next().value,e.push("--"+t+"\r\n"),o instanceof Blob?e.push('Content-Disposition: form-data; name="'+r+'"; filename="'+o.name+'"\r\nContent-Type: '+(o.type||"application/octet-stream")+"\r\n\r\n",o,"\r\n"):e.push('Content-Disposition: form-data; name="'+r+'"\r\n\r\n'+o+"\r\n")}return e.push("--"+t+"--"),new Blob(e,{type:"multipart/form-data; boundary="+t})},T.prototype[Symbol.iterator]=function(){return this.entries()},T.prototype.toString=function(){return"[object FormData]"},D&&!D.matches&&(D.matches=D.matchesSelector||D.mozMatchesSelector||D.msMatchesSelector||D.oMatchesSelector||D.webkitMatchesSelector||function(t){for(var e=(t=(this.document||this.ownerDocument).querySelectorAll(t)).length;0<=--e&&t.item(e)!==this;);return-1<e}),B&&(T.prototype[B]="FormData"),F){var q=x.XMLHttpRequest.prototype.setRequestHeader;x.XMLHttpRequest.prototype.setRequestHeader=function(t,e){q.call(this,t,e),"content-type"===t.toLowerCase()&&(this.B=!0)},x.XMLHttpRequest.prototype.send=function(t){t instanceof T?(t=t._blob(),this.B||this.setRequestHeader("Content-Type",t.type),F.call(this,t)):F.call(this,t)}}M&&(x.fetch=function(t,e){return e&&e.body&&e.body instanceof T&&(e.body=e.body._blob()),M.call(this,t,e)}),A&&(x.navigator.sendBeacon=function(t,e){return e instanceof T&&(e=e._asNative()),A.call(this,t,e)}),x.FormData=T}}();
\ No newline at end of file
+/*! formdata-polyfill. MIT License. Jimmy W?rting <https://jimmy.warting.se/opensource> */
+!function(){var t;function e(t){var e=0;return function(){return e<t.length?{done:!1,value:t[e++]}:{done:!0}}}var n="function"==typeof Object.defineProperties?Object.defineProperty:function(t,e,n){return t==Array.prototype||t==Object.prototype||(t[e]=n.value),t};var r,o=function(t){t=["object"==typeof globalThis&&globalThis,t,"object"==typeof window&&window,"object"==typeof self&&self,"object"==typeof global&&global];for(var e=0;e<t.length;++e){var n=t[e];if(n&&n.Math==Math)return n}throw Error("Cannot find global object")}(this);function i(t,e){if(e)t:{var r=o;t=t.split(".");for(var i=0;i<t.length-1;i++){var a=t[i];if(!(a in r))break t;r=r[a]}(e=e(i=r[t=t[t.length-1]]))!=i&&null!=e&&n(r,t,{configurable:!0,writable:!0,value:e})}}function a(t){return(t={next:t})[Symbol.iterator]=function(){return this},t}function u(t){var n="undefined"!=typeof Symbol&&Symbol.iterator&&t[Symbol.iterator];return n?n.call(t):{next:e(t)}}if(i("Symbol",(function(t){function e(t,e){this.A=t,n(this,"description",{configurable:!0,writable:!0,value:e})}if(t)return t;e.prototype.toString=function(){return this.A};var r="jscomp_symbol_"+(1e9*Math.random()>>>0)+"_",o=0;return function t(n){if(this instanceof t)throw new TypeError("Symbol is not a constructor");return new e(r+(n||"")+"_"+o++,n)}})),i("Symbol.iterator",(function(t){if(t)return t;t=Symbol("Symbol.iterator");for(var r="Array Int8Array Uint8Array Uint8ClampedArray Int16Array Uint16Array Int32Array Uint32Array Float32Array Float64Array".split(" "),i=0;i<r.length;i++){var u=o[r[i]];"function"==typeof u&&"function"!=typeof u.prototype[t]&&n(u.prototype,t,{configurable:!0,writable:!0,value:function(){return a(e(this))}})}return t})),"function"==typeof Object.setPrototypeOf)r=Object.setPrototypeOf;else{var l;t:{var s={};try{s.__proto__={a:!0},l=s.a;break t}catch(t){}l=!1}r=l?function(t,e){if(t.__proto__=e,t.__proto__!==e)throw new TypeError(t+" is not extensible");return t}:null}var f=r;function c(){this.m=!1,this.j=null,this.v=void 0,this.h=1,this.u=this.C=0,this.l=null}function h(t){if(t.m)throw new TypeError("Generator is already running");t.m=!0}function p(t,e){return t.h=3,{value:e}}function y(t){this.g=new c,this.G=t}function v(t,e,n,r){try{var o=e.call(t.g.j,n);if(!(o instanceof Object))throw new TypeError("Iterator result "+o+" is not an object");if(!o.done)return t.g.m=!1,o;var i=o.value}catch(e){return t.g.j=null,t.g.s(e),g(t)}return t.g.j=null,r.call(t.g,i),g(t)}function g(t){for(;t.g.h;)try{var e=t.G(t.g);if(e)return t.g.m=!1,{value:e.value,done:!1}}catch(e){t.g.v=void 0,t.g.s(e)}if(t.g.m=!1,t.g.l){if(e=t.g.l,t.g.l=null,e.F)throw e.D;return{value:e.return,done:!0}}return{value:void 0,done:!0}}function d(t){this.next=function(e){return t.o(e)},this.throw=function(e){return t.s(e)},this.return=function(e){return function(t,e){h(t.g);var n=t.g.j;return n?v(t,"return"in n?n.return:function(t){return{value:t,done:!0}},e,t.g.return):(t.g.return(e),g(t))}(t,e)},this[Symbol.iterator]=function(){return this}}function b(t,e){return e=new d(new y(e)),f&&t.prototype&&f(e,t.prototype),e}if(c.prototype.o=function(t){this.v=t},c.prototype.s=function(t){this.l={D:t,F:!0},this.h=this.C||this.u},c.prototype.return=function(t){this.l={return:t},this.h=this.u},y.prototype.o=function(t){return h(this.g),this.g.j?v(this,this.g.j.next,t,this.g.o):(this.g.o(t),g(this))},y.prototype.s=function(t){return h(this.g),this.g.j?v(this,this.g.j.throw,t,this.g.o):(this.g.s(t),g(this))},i("Array.prototype.entries",(function(t){return t||function(){return function(t,e){t instanceof String&&(t+="");var n=0,r=!1,o={next:function(){if(!r&&n<t.length){var o=n++;return{value:e(o,t[o]),done:!1}}return r=!0,{done:!0,value:void 0}}};return o[Symbol.iterator]=function(){return o},o}(this,(function(t,e){return[t,e]}))}})),"undefined"!=typeof Blob&&("undefined"==typeof FormData||!FormData.prototype.keys)){var m=function(t,e){for(var n=0;n<t.length;n++)e(t[n])},w=function(t){return t.replace(/\r?\n|\r/g,"\r\n")},S=function(t,e,n){return e instanceof Blob?(n=void 0!==n?String(n+""):"string"==typeof e.name?e.name:"blob",e.name===n&&"[object Blob]"!==Object.prototype.toString.call(e)||(e=new File([e],n)),[String(t),e]):[String(t),String(e)]},j=function(t,e){if(t.length<e)throw new TypeError(e+" argument required, but only "+t.length+" present.")},x="object"==typeof globalThis?globalThis:"object"==typeof window?window:"object"==typeof self?self:this,_=x.FormData,F=x.XMLHttpRequest&&x.XMLHttpRequest.prototype.send,A=x.Request&&x.fetch,M=x.navigator&&x.navigator.sendBeacon,D=x.Element&&x.Element.prototype,B=x.Symbol&&Symbol.toStringTag;B&&(Blob.prototype[B]||(Blob.prototype[B]="Blob"),"File"in x&&!File.prototype[B]&&(File.prototype[B]="File"));try{new File([],"")}catch(t){x.File=function(t,e,n){return t=new Blob(t,n||{}),Object.defineProperties(t,{name:{value:e},lastModified:{value:+(n&&void 0!==n.lastModified?new Date(n.lastModified):new Date)},toString:{value:function(){return"[object File]"}}}),B&&Object.defineProperty(t,B,{value:"File"}),t}}var T=function(t){return t.replace(/\n/g,"%0A").replace(/\r/g,"%0D").replace(/"/g,"%22")},q=function(t){this.i=[];var e=this;t&&m(t.elements,(function(t){if(t.name&&!t.disabled&&"submit"!==t.type&&"button"!==t.type&&!t.matches("form fieldset[disabled] *"))if("file"===t.type){var n=t.files&&t.files.length?t.files:[new File([],"",{type:"application/octet-stream"})];m(n,(function(n){e.append(t.name,n)}))}else"select-multiple"===t.type||"select-one"===t.type?m(t.options,(function(n){!n.disabled&&n.selected&&e.append(t.name,n.value)})):"checkbox"===t.type||"radio"===t.type?t.checked&&e.append(t.name,t.value):(n="textarea"===t.type?w(t.value):t.value,e.append(t.name,n))}))};if((t=q.prototype).append=function(t,e,n){j(arguments,2),this.i.push(S(t,e,n))},t.delete=function(t){j(arguments,1);var e=[];t=String(t),m(this.i,(function(n){n[0]!==t&&e.push(n)})),this.i=e},t.entries=function t(){var e,n=this;return b(t,(function(t){if(1==t.h&&(e=0),3!=t.h)return e<n.i.length?t=p(t,n.i[e]):(t.h=0,t=void 0),t;e++,t.h=2}))},t.forEach=function(t,e){j(arguments,1);for(var n=u(this),r=n.next();!r.done;r=n.next()){var o=u(r.value);r=o.next().value,o=o.next().value,t.call(e,o,r,this)}},t.get=function(t){j(arguments,1);var e=this.i;t=String(t);for(var n=0;n<e.length;n++)if(e[n][0]===t)return e[n][1];return null},t.getAll=function(t){j(arguments,1);var e=[];return t=String(t),m(this.i,(function(n){n[0]===t&&e.push(n[1])})),e},t.has=function(t){j(arguments,1),t=String(t);for(var e=0;e<this.i.length;e++)if(this.i[e][0]===t)return!0;return!1},t.keys=function t(){var e,n,r,o,i=this;return b(t,(function(t){if(1==t.h&&(e=u(i),n=e.next()),3!=t.h)return n.done?void(t.h=0):(r=n.value,o=u(r),p(t,o.next().value));n=e.next(),t.h=2}))},t.set=function(t,e,n){j(arguments,2),t=String(t);var r=[],o=S(t,e,n),i=!0;m(this.i,(function(e){e[0]===t?i&&(i=!r.push(o)):r.push(e)})),i&&r.push(o),this.i=r},t.values=function t(){var e,n,r,o,i=this;return b(t,(function(t){if(1==t.h&&(e=u(i),n=e.next()),3!=t.h)return n.done?void(t.h=0):(r=n.value,(o=u(r)).next(),p(t,o.next().value));n=e.next(),t.h=2}))},q.prototype._asNative=function(){for(var t=new _,e=u(this),n=e.next();!n.done;n=e.next()){var r=u(n.value);n=r.next().value,r=r.next().value,t.append(n,r)}return t},q.prototype._blob=function(){var t="----formdata-polyfill-"+Math.random(),e=[],n="--"+t+'\r\nContent-Disposition: form-data; name="';return this.forEach((function(t,r){return"string"==typeof t?e.push(n+T(w(r))+'"\r\n\r\n'+w(t)+"\r\n"):e.push(n+T(w(r))+'"; filename="'+T(t.name)+'"\r\nContent-Type: '+(t.type||"application/octet-stream")+"\r\n\r\n",t,"\r\n")})),e.push("--"+t+"--"),new Blob(e,{type:"multipart/form-data; boundary="+t})},q.prototype[Symbol.iterator]=function(){return this.entries()},q.prototype.toString=function(){return"[object FormData]"},D&&!D.matches&&(D.matches=D.matchesSelector||D.mozMatchesSelector||D.msMatchesSelector||D.oMatchesSelector||D.webkitMatchesSelector||function(t){for(var e=(t=(this.document||this.ownerDocument).querySelectorAll(t)).length;0<=--e&&t.item(e)!==this;);return-1<e}),B&&(q.prototype[B]="FormData"),F){var O=x.XMLHttpRequest.prototype.setRequestHeader;x.XMLHttpRequest.prototype.setRequestHeader=function(t,e){O.call(this,t,e),"content-type"===t.toLowerCase()&&(this.B=!0)},x.XMLHttpRequest.prototype.send=function(t){t instanceof q?(t=t._blob(),this.B||this.setRequestHeader("Content-Type",t.type),F.call(this,t)):F.call(this,t)}}A&&(x.fetch=function(t,e){return e&&e.body&&e.body instanceof q&&(e.body=e.body._blob()),A.call(this,t,e)}),M&&(x.navigator.sendBeacon=function(t,e){return e instanceof q&&(e=e._asNative()),M.call(this,t,e)}),x.FormData=q}}();
\ No newline at end of file
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 1b9c0f6e94..aea002373a 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -109,10 +109,10 @@ function wp_default_packages_vendor( $scripts ) {
 		'moment'                      => '2.29.2',
 		'lodash'                      => '4.17.19',
 		'wp-polyfill-fetch'           => '3.6.2',
-		'wp-polyfill-formdata'        => '4.0.0',
-		'wp-polyfill-node-contains'   => '3.105.0',
+		'wp-polyfill-formdata'        => '4.0.10',
+		'wp-polyfill-node-contains'   => '4.0.0',
 		'wp-polyfill-url'             => '3.6.4',
-		'wp-polyfill-dom-rect'        => '3.104.0',
+		'wp-polyfill-dom-rect'        => '4.0.0',
 		'wp-polyfill-element-closest' => '2.0.2',
 		'wp-polyfill-object-fit'      => '2.3.5',
 		'wp-polyfill'                 => '3.15.0',
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 69bb7325a2..b4552494e7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-53164';
+$wp_version = '6.0-alpha-53165';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.