diff --git a/wp-includes/js/dist/vendor/regenerator-runtime.js b/wp-includes/js/dist/vendor/regenerator-runtime.js
new file mode 100644
index 0000000000..547b8c6af4
--- /dev/null
+++ b/wp-includes/js/dist/vendor/regenerator-runtime.js
@@ -0,0 +1,748 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+var runtime = (function (exports) {
+  "use strict";
+
+  var Op = Object.prototype;
+  var hasOwn = Op.hasOwnProperty;
+  var undefined; // More compressible than void 0.
+  var $Symbol = typeof Symbol === "function" ? Symbol : {};
+  var iteratorSymbol = $Symbol.iterator || "@@iterator";
+  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
+  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
+
+  function define(obj, key, value) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+    return obj[key];
+  }
+  try {
+    // IE 8 has a broken Object.defineProperty that only works on DOM objects.
+    define({}, "");
+  } catch (err) {
+    define = function(obj, key, value) {
+      return obj[key] = value;
+    };
+  }
+
+  function wrap(innerFn, outerFn, self, tryLocsList) {
+    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
+    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
+    var generator = Object.create(protoGenerator.prototype);
+    var context = new Context(tryLocsList || []);
+
+    // The ._invoke method unifies the implementations of the .next,
+    // .throw, and .return methods.
+    generator._invoke = makeInvokeMethod(innerFn, self, context);
+
+    return generator;
+  }
+  exports.wrap = wrap;
+
+  // Try/catch helper to minimize deoptimizations. Returns a completion
+  // record like context.tryEntries[i].completion. This interface could
+  // have been (and was previously) designed to take a closure to be
+  // invoked without arguments, but in all the cases we care about we
+  // already have an existing method we want to call, so there's no need
+  // to create a new function object. We can even get away with assuming
+  // the method takes exactly one argument, since that happens to be true
+  // in every case, so we don't have to touch the arguments object. The
+  // only additional allocation required is the completion record, which
+  // has a stable shape and so hopefully should be cheap to allocate.
+  function tryCatch(fn, obj, arg) {
+    try {
+      return { type: "normal", arg: fn.call(obj, arg) };
+    } catch (err) {
+      return { type: "throw", arg: err };
+    }
+  }
+
+  var GenStateSuspendedStart = "suspendedStart";
+  var GenStateSuspendedYield = "suspendedYield";
+  var GenStateExecuting = "executing";
+  var GenStateCompleted = "completed";
+
+  // Returning this object from the innerFn has the same effect as
+  // breaking out of the dispatch switch statement.
+  var ContinueSentinel = {};
+
+  // Dummy constructor functions that we use as the .constructor and
+  // .constructor.prototype properties for functions that return Generator
+  // objects. For full spec compliance, you may wish to configure your
+  // minifier not to mangle the names of these two functions.
+  function Generator() {}
+  function GeneratorFunction() {}
+  function GeneratorFunctionPrototype() {}
+
+  // This is a polyfill for %IteratorPrototype% for environments that
+  // don't natively support it.
+  var IteratorPrototype = {};
+  IteratorPrototype[iteratorSymbol] = function () {
+    return this;
+  };
+
+  var getProto = Object.getPrototypeOf;
+  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
+  if (NativeIteratorPrototype &&
+      NativeIteratorPrototype !== Op &&
+      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
+    // This environment has a native %IteratorPrototype%; use it instead
+    // of the polyfill.
+    IteratorPrototype = NativeIteratorPrototype;
+  }
+
+  var Gp = GeneratorFunctionPrototype.prototype =
+    Generator.prototype = Object.create(IteratorPrototype);
+  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
+  GeneratorFunctionPrototype.constructor = GeneratorFunction;
+  GeneratorFunction.displayName = define(
+    GeneratorFunctionPrototype,
+    toStringTagSymbol,
+    "GeneratorFunction"
+  );
+
+  // Helper for defining the .next, .throw, and .return methods of the
+  // Iterator interface in terms of a single ._invoke method.
+  function defineIteratorMethods(prototype) {
+    ["next", "throw", "return"].forEach(function(method) {
+      define(prototype, method, function(arg) {
+        return this._invoke(method, arg);
+      });
+    });
+  }
+
+  exports.isGeneratorFunction = function(genFun) {
+    var ctor = typeof genFun === "function" && genFun.constructor;
+    return ctor
+      ? ctor === GeneratorFunction ||
+        // For the native GeneratorFunction constructor, the best we can
+        // do is to check its .name property.
+        (ctor.displayName || ctor.name) === "GeneratorFunction"
+      : false;
+  };
+
+  exports.mark = function(genFun) {
+    if (Object.setPrototypeOf) {
+      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
+    } else {
+      genFun.__proto__ = GeneratorFunctionPrototype;
+      define(genFun, toStringTagSymbol, "GeneratorFunction");
+    }
+    genFun.prototype = Object.create(Gp);
+    return genFun;
+  };
+
+  // Within the body of any async function, `await x` is transformed to
+  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
+  // `hasOwn.call(value, "__await")` to determine if the yielded value is
+  // meant to be awaited.
+  exports.awrap = function(arg) {
+    return { __await: arg };
+  };
+
+  function AsyncIterator(generator, PromiseImpl) {
+    function invoke(method, arg, resolve, reject) {
+      var record = tryCatch(generator[method], generator, arg);
+      if (record.type === "throw") {
+        reject(record.arg);
+      } else {
+        var result = record.arg;
+        var value = result.value;
+        if (value &&
+            typeof value === "object" &&
+            hasOwn.call(value, "__await")) {
+          return PromiseImpl.resolve(value.__await).then(function(value) {
+            invoke("next", value, resolve, reject);
+          }, function(err) {
+            invoke("throw", err, resolve, reject);
+          });
+        }
+
+        return PromiseImpl.resolve(value).then(function(unwrapped) {
+          // When a yielded Promise is resolved, its final value becomes
+          // the .value of the Promise<{value,done}> result for the
+          // current iteration.
+          result.value = unwrapped;
+          resolve(result);
+        }, function(error) {
+          // If a rejected Promise was yielded, throw the rejection back
+          // into the async generator function so it can be handled there.
+          return invoke("throw", error, resolve, reject);
+        });
+      }
+    }
+
+    var previousPromise;
+
+    function enqueue(method, arg) {
+      function callInvokeWithMethodAndArg() {
+        return new PromiseImpl(function(resolve, reject) {
+          invoke(method, arg, resolve, reject);
+        });
+      }
+
+      return previousPromise =
+        // If enqueue has been called before, then we want to wait until
+        // all previous Promises have been resolved before calling invoke,
+        // so that results are always delivered in the correct order. If
+        // enqueue has not been called before, then it is important to
+        // call invoke immediately, without waiting on a callback to fire,
+        // so that the async generator function has the opportunity to do
+        // any necessary setup in a predictable way. This predictability
+        // is why the Promise constructor synchronously invokes its
+        // executor callback, and why async functions synchronously
+        // execute code before the first await. Since we implement simple
+        // async functions in terms of async generators, it is especially
+        // important to get this right, even though it requires care.
+        previousPromise ? previousPromise.then(
+          callInvokeWithMethodAndArg,
+          // Avoid propagating failures to Promises returned by later
+          // invocations of the iterator.
+          callInvokeWithMethodAndArg
+        ) : callInvokeWithMethodAndArg();
+    }
+
+    // Define the unified helper method that is used to implement .next,
+    // .throw, and .return (see defineIteratorMethods).
+    this._invoke = enqueue;
+  }
+
+  defineIteratorMethods(AsyncIterator.prototype);
+  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
+    return this;
+  };
+  exports.AsyncIterator = AsyncIterator;
+
+  // Note that simple async functions are implemented on top of
+  // AsyncIterator objects; they just return a Promise for the value of
+  // the final result produced by the iterator.
+  exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {
+    if (PromiseImpl === void 0) PromiseImpl = Promise;
+
+    var iter = new AsyncIterator(
+      wrap(innerFn, outerFn, self, tryLocsList),
+      PromiseImpl
+    );
+
+    return exports.isGeneratorFunction(outerFn)
+      ? iter // If outerFn is a generator, return the full iterator.
+      : iter.next().then(function(result) {
+          return result.done ? result.value : iter.next();
+        });
+  };
+
+  function makeInvokeMethod(innerFn, self, context) {
+    var state = GenStateSuspendedStart;
+
+    return function invoke(method, arg) {
+      if (state === GenStateExecuting) {
+        throw new Error("Generator is already running");
+      }
+
+      if (state === GenStateCompleted) {
+        if (method === "throw") {
+          throw arg;
+        }
+
+        // Be forgiving, per 25.3.3.3.3 of the spec:
+        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
+        return doneResult();
+      }
+
+      context.method = method;
+      context.arg = arg;
+
+      while (true) {
+        var delegate = context.delegate;
+        if (delegate) {
+          var delegateResult = maybeInvokeDelegate(delegate, context);
+          if (delegateResult) {
+            if (delegateResult === ContinueSentinel) continue;
+            return delegateResult;
+          }
+        }
+
+        if (context.method === "next") {
+          // Setting context._sent for legacy support of Babel's
+          // function.sent implementation.
+          context.sent = context._sent = context.arg;
+
+        } else if (context.method === "throw") {
+          if (state === GenStateSuspendedStart) {
+            state = GenStateCompleted;
+            throw context.arg;
+          }
+
+          context.dispatchException(context.arg);
+
+        } else if (context.method === "return") {
+          context.abrupt("return", context.arg);
+        }
+
+        state = GenStateExecuting;
+
+        var record = tryCatch(innerFn, self, context);
+        if (record.type === "normal") {
+          // If an exception is thrown from innerFn, we leave state ===
+          // GenStateExecuting and loop back for another invocation.
+          state = context.done
+            ? GenStateCompleted
+            : GenStateSuspendedYield;
+
+          if (record.arg === ContinueSentinel) {
+            continue;
+          }
+
+          return {
+            value: record.arg,
+            done: context.done
+          };
+
+        } else if (record.type === "throw") {
+          state = GenStateCompleted;
+          // Dispatch the exception by looping back around to the
+          // context.dispatchException(context.arg) call above.
+          context.method = "throw";
+          context.arg = record.arg;
+        }
+      }
+    };
+  }
+
+  // Call delegate.iterator[context.method](context.arg) and handle the
+  // result, either by returning a { value, done } result from the
+  // delegate iterator, or by modifying context.method and context.arg,
+  // setting context.delegate to null, and returning the ContinueSentinel.
+  function maybeInvokeDelegate(delegate, context) {
+    var method = delegate.iterator[context.method];
+    if (method === undefined) {
+      // A .throw or .return when the delegate iterator has no .throw
+      // method always terminates the yield* loop.
+      context.delegate = null;
+
+      if (context.method === "throw") {
+        // Note: ["return"] must be used for ES3 parsing compatibility.
+        if (delegate.iterator["return"]) {
+          // If the delegate iterator has a return method, give it a
+          // chance to clean up.
+          context.method = "return";
+          context.arg = undefined;
+          maybeInvokeDelegate(delegate, context);
+
+          if (context.method === "throw") {
+            // If maybeInvokeDelegate(context) changed context.method from
+            // "return" to "throw", let that override the TypeError below.
+            return ContinueSentinel;
+          }
+        }
+
+        context.method = "throw";
+        context.arg = new TypeError(
+          "The iterator does not provide a 'throw' method");
+      }
+
+      return ContinueSentinel;
+    }
+
+    var record = tryCatch(method, delegate.iterator, context.arg);
+
+    if (record.type === "throw") {
+      context.method = "throw";
+      context.arg = record.arg;
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    var info = record.arg;
+
+    if (! info) {
+      context.method = "throw";
+      context.arg = new TypeError("iterator result is not an object");
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    if (info.done) {
+      // Assign the result of the finished delegate to the temporary
+      // variable specified by delegate.resultName (see delegateYield).
+      context[delegate.resultName] = info.value;
+
+      // Resume execution at the desired location (see delegateYield).
+      context.next = delegate.nextLoc;
+
+      // If context.method was "throw" but the delegate handled the
+      // exception, let the outer generator proceed normally. If
+      // context.method was "next", forget context.arg since it has been
+      // "consumed" by the delegate iterator. If context.method was
+      // "return", allow the original .return call to continue in the
+      // outer generator.
+      if (context.method !== "return") {
+        context.method = "next";
+        context.arg = undefined;
+      }
+
+    } else {
+      // Re-yield the result returned by the delegate method.
+      return info;
+    }
+
+    // The delegate iterator is finished, so forget it and continue with
+    // the outer generator.
+    context.delegate = null;
+    return ContinueSentinel;
+  }
+
+  // Define Generator.prototype.{next,throw,return} in terms of the
+  // unified ._invoke helper method.
+  defineIteratorMethods(Gp);
+
+  define(Gp, toStringTagSymbol, "Generator");
+
+  // A Generator should always return itself as the iterator object when the
+  // @@iterator function is called on it. Some browsers' implementations of the
+  // iterator prototype chain incorrectly implement this, causing the Generator
+  // object to not be returned from this call. This ensures that doesn't happen.
+  // See https://github.com/facebook/regenerator/issues/274 for more details.
+  Gp[iteratorSymbol] = function() {
+    return this;
+  };
+
+  Gp.toString = function() {
+    return "[object Generator]";
+  };
+
+  function pushTryEntry(locs) {
+    var entry = { tryLoc: locs[0] };
+
+    if (1 in locs) {
+      entry.catchLoc = locs[1];
+    }
+
+    if (2 in locs) {
+      entry.finallyLoc = locs[2];
+      entry.afterLoc = locs[3];
+    }
+
+    this.tryEntries.push(entry);
+  }
+
+  function resetTryEntry(entry) {
+    var record = entry.completion || {};
+    record.type = "normal";
+    delete record.arg;
+    entry.completion = record;
+  }
+
+  function Context(tryLocsList) {
+    // The root entry object (effectively a try statement without a catch
+    // or a finally block) gives us a place to store values thrown from
+    // locations where there is no enclosing try statement.
+    this.tryEntries = [{ tryLoc: "root" }];
+    tryLocsList.forEach(pushTryEntry, this);
+    this.reset(true);
+  }
+
+  exports.keys = function(object) {
+    var keys = [];
+    for (var key in object) {
+      keys.push(key);
+    }
+    keys.reverse();
+
+    // Rather than returning an object with a next method, we keep
+    // things simple and return the next function itself.
+    return function next() {
+      while (keys.length) {
+        var key = keys.pop();
+        if (key in object) {
+          next.value = key;
+          next.done = false;
+          return next;
+        }
+      }
+
+      // To avoid creating an additional object, we just hang the .value
+      // and .done properties off the next function object itself. This
+      // also ensures that the minifier will not anonymize the function.
+      next.done = true;
+      return next;
+    };
+  };
+
+  function values(iterable) {
+    if (iterable) {
+      var iteratorMethod = iterable[iteratorSymbol];
+      if (iteratorMethod) {
+        return iteratorMethod.call(iterable);
+      }
+
+      if (typeof iterable.next === "function") {
+        return iterable;
+      }
+
+      if (!isNaN(iterable.length)) {
+        var i = -1, next = function next() {
+          while (++i < iterable.length) {
+            if (hasOwn.call(iterable, i)) {
+              next.value = iterable[i];
+              next.done = false;
+              return next;
+            }
+          }
+
+          next.value = undefined;
+          next.done = true;
+
+          return next;
+        };
+
+        return next.next = next;
+      }
+    }
+
+    // Return an iterator with no values.
+    return { next: doneResult };
+  }
+  exports.values = values;
+
+  function doneResult() {
+    return { value: undefined, done: true };
+  }
+
+  Context.prototype = {
+    constructor: Context,
+
+    reset: function(skipTempReset) {
+      this.prev = 0;
+      this.next = 0;
+      // Resetting context._sent for legacy support of Babel's
+      // function.sent implementation.
+      this.sent = this._sent = undefined;
+      this.done = false;
+      this.delegate = null;
+
+      this.method = "next";
+      this.arg = undefined;
+
+      this.tryEntries.forEach(resetTryEntry);
+
+      if (!skipTempReset) {
+        for (var name in this) {
+          // Not sure about the optimal order of these conditions:
+          if (name.charAt(0) === "t" &&
+              hasOwn.call(this, name) &&
+              !isNaN(+name.slice(1))) {
+            this[name] = undefined;
+          }
+        }
+      }
+    },
+
+    stop: function() {
+      this.done = true;
+
+      var rootEntry = this.tryEntries[0];
+      var rootRecord = rootEntry.completion;
+      if (rootRecord.type === "throw") {
+        throw rootRecord.arg;
+      }
+
+      return this.rval;
+    },
+
+    dispatchException: function(exception) {
+      if (this.done) {
+        throw exception;
+      }
+
+      var context = this;
+      function handle(loc, caught) {
+        record.type = "throw";
+        record.arg = exception;
+        context.next = loc;
+
+        if (caught) {
+          // If the dispatched exception was caught by a catch block,
+          // then let that catch block handle the exception normally.
+          context.method = "next";
+          context.arg = undefined;
+        }
+
+        return !! caught;
+      }
+
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        var record = entry.completion;
+
+        if (entry.tryLoc === "root") {
+          // Exception thrown outside of any try block that could handle
+          // it, so set the completion value of the entire function to
+          // throw the exception.
+          return handle("end");
+        }
+
+        if (entry.tryLoc <= this.prev) {
+          var hasCatch = hasOwn.call(entry, "catchLoc");
+          var hasFinally = hasOwn.call(entry, "finallyLoc");
+
+          if (hasCatch && hasFinally) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            } else if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+
+          } else if (hasCatch) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            }
+
+          } else if (hasFinally) {
+            if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+
+          } else {
+            throw new Error("try statement without catch or finally");
+          }
+        }
+      }
+    },
+
+    abrupt: function(type, arg) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        if (entry.tryLoc <= this.prev &&
+            hasOwn.call(entry, "finallyLoc") &&
+            this.prev < entry.finallyLoc) {
+          var finallyEntry = entry;
+          break;
+        }
+      }
+
+      if (finallyEntry &&
+          (type === "break" ||
+           type === "continue") &&
+          finallyEntry.tryLoc <= arg &&
+          arg <= finallyEntry.finallyLoc) {
+        // Ignore the finally entry if control is not jumping to a
+        // location outside the try/catch block.
+        finallyEntry = null;
+      }
+
+      var record = finallyEntry ? finallyEntry.completion : {};
+      record.type = type;
+      record.arg = arg;
+
+      if (finallyEntry) {
+        this.method = "next";
+        this.next = finallyEntry.finallyLoc;
+        return ContinueSentinel;
+      }
+
+      return this.complete(record);
+    },
+
+    complete: function(record, afterLoc) {
+      if (record.type === "throw") {
+        throw record.arg;
+      }
+
+      if (record.type === "break" ||
+          record.type === "continue") {
+        this.next = record.arg;
+      } else if (record.type === "return") {
+        this.rval = this.arg = record.arg;
+        this.method = "return";
+        this.next = "end";
+      } else if (record.type === "normal" && afterLoc) {
+        this.next = afterLoc;
+      }
+
+      return ContinueSentinel;
+    },
+
+    finish: function(finallyLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        if (entry.finallyLoc === finallyLoc) {
+          this.complete(entry.completion, entry.afterLoc);
+          resetTryEntry(entry);
+          return ContinueSentinel;
+        }
+      }
+    },
+
+    "catch": function(tryLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        if (entry.tryLoc === tryLoc) {
+          var record = entry.completion;
+          if (record.type === "throw") {
+            var thrown = record.arg;
+            resetTryEntry(entry);
+          }
+          return thrown;
+        }
+      }
+
+      // The context.catch method must only be called with a location
+      // argument that corresponds to a known catch block.
+      throw new Error("illegal catch attempt");
+    },
+
+    delegateYield: function(iterable, resultName, nextLoc) {
+      this.delegate = {
+        iterator: values(iterable),
+        resultName: resultName,
+        nextLoc: nextLoc
+      };
+
+      if (this.method === "next") {
+        // Deliberately forget the last sent value so that we don't
+        // accidentally pass it on to the delegate.
+        this.arg = undefined;
+      }
+
+      return ContinueSentinel;
+    }
+  };
+
+  // Regardless of whether this script is executing as a CommonJS module
+  // or not, return the runtime object so that we can declare the variable
+  // regeneratorRuntime in the outer scope, which allows this module to be
+  // injected easily by `bin/regenerator --include-runtime script.js`.
+  return exports;
+
+}(
+  // If this script is executing as a CommonJS module, use module.exports
+  // as the regeneratorRuntime namespace. Otherwise create a new empty
+  // object. Either way, the resulting object will be used to initialize
+  // the regeneratorRuntime variable at the top of this file.
+  typeof module === "object" ? module.exports : {}
+));
+
+try {
+  regeneratorRuntime = runtime;
+} catch (accidentalStrictMode) {
+  // This module should not be running in strict mode, so the above
+  // assignment should always work unless something is misconfigured. Just
+  // in case runtime.js accidentally runs in strict mode, we can escape
+  // strict mode using a global Function call. This could conceivably fail
+  // if a Content Security Policy forbids using Function, but in that case
+  // the proper solution is to fix the accidental strict mode problem. If
+  // you've misconfigured your bundler to force strict mode and applied a
+  // CSP to forbid Function, and you're not willing to fix either of those
+  // problems, please detail your unique predicament in a GitHub issue.
+  Function("r", "regeneratorRuntime = r")(runtime);
+}
diff --git a/wp-includes/js/dist/vendor/regenerator-runtime.min.js b/wp-includes/js/dist/vendor/regenerator-runtime.min.js
new file mode 100644
index 0000000000..6e0e5e8656
--- /dev/null
+++ b/wp-includes/js/dist/vendor/regenerator-runtime.min.js
@@ -0,0 +1 @@
+var runtime=function(a){"use strict";var u,t=Object.prototype,h=t.hasOwnProperty,r="function"==typeof Symbol?Symbol:{},n=r.iterator||"@@iterator",e=r.asyncIterator||"@@asyncIterator",o=r.toStringTag||"@@toStringTag";function i(t,r,e){return Object.defineProperty(t,r,{value:e,enumerable:!0,configurable:!0,writable:!0}),t[r]}try{i({},"")}catch(t){i=function(t,r,e){return t[r]=e}}function c(t,r,e,n){var o,i,a,c,r=r&&r.prototype instanceof d?r:d,r=Object.create(r.prototype),n=new j(n||[]);return r._invoke=(o=t,i=e,a=n,c=l,function(t,r){if(c===p)throw new Error("Generator is already running");if(c===y){if("throw"===t)throw r;return k()}for(a.method=t,a.arg=r;;){var e=a.delegate;if(e){var n=function t(r,e){var n=r.iterator[e.method];if(n===u){if(e.delegate=null,"throw"===e.method){if(r.iterator.return&&(e.method="return",e.arg=u,t(r,e),"throw"===e.method))return v;e.method="throw",e.arg=new TypeError("The iterator does not provide a 'throw' method")}return v}var n=f(n,r.iterator,e.arg);if("throw"===n.type)return e.method="throw",e.arg=n.arg,e.delegate=null,v;n=n.arg;if(!n)return e.method="throw",e.arg=new TypeError("iterator result is not an object"),e.delegate=null,v;{if(!n.done)return n;e[r.resultName]=n.value,e.next=r.nextLoc,"return"!==e.method&&(e.method="next",e.arg=u)}e.delegate=null;return v}(e,a);if(n){if(n===v)continue;return n}}if("next"===a.method)a.sent=a._sent=a.arg;else if("throw"===a.method){if(c===l)throw c=y,a.arg;a.dispatchException(a.arg)}else"return"===a.method&&a.abrupt("return",a.arg);c=p;n=f(o,i,a);if("normal"===n.type){if(c=a.done?y:s,n.arg!==v)return{value:n.arg,done:a.done}}else"throw"===n.type&&(c=y,a.method="throw",a.arg=n.arg)}}),r}function f(t,r,e){try{return{type:"normal",arg:t.call(r,e)}}catch(t){return{type:"throw",arg:t}}}a.wrap=c;var l="suspendedStart",s="suspendedYield",p="executing",y="completed",v={};function d(){}function g(){}function m(){}var w={};w[n]=function(){return this};r=Object.getPrototypeOf,r=r&&r(r(O([])));r&&r!==t&&h.call(r,n)&&(w=r);var L=m.prototype=d.prototype=Object.create(w);function x(t){["next","throw","return"].forEach(function(r){i(t,r,function(t){return this._invoke(r,t)})})}function b(a,c){var r;this._invoke=function(e,n){function t(){return new c(function(t,r){!function r(t,e,n,o){t=f(a[t],a,e);if("throw"!==t.type){var i=t.arg;return(e=i.value)&&"object"==typeof e&&h.call(e,"__await")?c.resolve(e.__await).then(function(t){r("next",t,n,o)},function(t){r("throw",t,n,o)}):c.resolve(e).then(function(t){i.value=t,n(i)},function(t){return r("throw",t,n,o)})}o(t.arg)}(e,n,t,r)})}return r=r?r.then(t,t):t()}}function E(t){var r={tryLoc:t[0]};1 in t&&(r.catchLoc=t[1]),2 in t&&(r.finallyLoc=t[2],r.afterLoc=t[3]),this.tryEntries.push(r)}function _(t){var r=t.completion||{};r.type="normal",delete r.arg,t.completion=r}function j(t){this.tryEntries=[{tryLoc:"root"}],t.forEach(E,this),this.reset(!0)}function O(r){if(r){var t=r[n];if(t)return t.call(r);if("function"==typeof r.next)return r;if(!isNaN(r.length)){var e=-1,t=function t(){for(;++e<r.length;)if(h.call(r,e))return t.value=r[e],t.done=!1,t;return t.value=u,t.done=!0,t};return t.next=t}}return{next:k}}function k(){return{value:u,done:!0}}return((g.prototype=L.constructor=m).constructor=g).displayName=i(m,o,"GeneratorFunction"),a.isGeneratorFunction=function(t){t="function"==typeof t&&t.constructor;return!!t&&(t===g||"GeneratorFunction"===(t.displayName||t.name))},a.mark=function(t){return Object.setPrototypeOf?Object.setPrototypeOf(t,m):(t.__proto__=m,i(t,o,"GeneratorFunction")),t.prototype=Object.create(L),t},a.awrap=function(t){return{__await:t}},x(b.prototype),b.prototype[e]=function(){return this},a.AsyncIterator=b,a.async=function(t,r,e,n,o){void 0===o&&(o=Promise);var i=new b(c(t,r,e,n),o);return a.isGeneratorFunction(r)?i:i.next().then(function(t){return t.done?t.value:i.next()})},x(L),i(L,o,"Generator"),L[n]=function(){return this},L.toString=function(){return"[object Generator]"},a.keys=function(e){var t,n=[];for(t in e)n.push(t);return n.reverse(),function t(){for(;n.length;){var r=n.pop();if(r in e)return t.value=r,t.done=!1,t}return t.done=!0,t}},a.values=O,j.prototype={constructor:j,reset:function(t){if(this.prev=0,this.next=0,this.sent=this._sent=u,this.done=!1,this.delegate=null,this.method="next",this.arg=u,this.tryEntries.forEach(_),!t)for(var r in this)"t"===r.charAt(0)&&h.call(this,r)&&!isNaN(+r.slice(1))&&(this[r]=u)},stop:function(){this.done=!0;var t=this.tryEntries[0].completion;if("throw"===t.type)throw t.arg;return this.rval},dispatchException:function(e){if(this.done)throw e;var n=this;function t(t,r){return i.type="throw",i.arg=e,n.next=t,r&&(n.method="next",n.arg=u),!!r}for(var r=this.tryEntries.length-1;0<=r;--r){var o=this.tryEntries[r],i=o.completion;if("root"===o.tryLoc)return t("end");if(o.tryLoc<=this.prev){var a=h.call(o,"catchLoc"),c=h.call(o,"finallyLoc");if(a&&c){if(this.prev<o.catchLoc)return t(o.catchLoc,!0);if(this.prev<o.finallyLoc)return t(o.finallyLoc)}else if(a){if(this.prev<o.catchLoc)return t(o.catchLoc,!0)}else{if(!c)throw new Error("try statement without catch or finally");if(this.prev<o.finallyLoc)return t(o.finallyLoc)}}}},abrupt:function(t,r){for(var e=this.tryEntries.length-1;0<=e;--e){var n=this.tryEntries[e];if(n.tryLoc<=this.prev&&h.call(n,"finallyLoc")&&this.prev<n.finallyLoc){var o=n;break}}var i=(o=o&&("break"===t||"continue"===t)&&o.tryLoc<=r&&r<=o.finallyLoc?null:o)?o.completion:{};return i.type=t,i.arg=r,o?(this.method="next",this.next=o.finallyLoc,v):this.complete(i)},complete:function(t,r){if("throw"===t.type)throw t.arg;return"break"===t.type||"continue"===t.type?this.next=t.arg:"return"===t.type?(this.rval=this.arg=t.arg,this.method="return",this.next="end"):"normal"===t.type&&r&&(this.next=r),v},finish:function(t){for(var r=this.tryEntries.length-1;0<=r;--r){var e=this.tryEntries[r];if(e.finallyLoc===t)return this.complete(e.completion,e.afterLoc),_(e),v}},catch:function(t){for(var r=this.tryEntries.length-1;0<=r;--r){var e=this.tryEntries[r];if(e.tryLoc===t){var n,o=e.completion;return"throw"===o.type&&(n=o.arg,_(e)),n}}throw new Error("illegal catch attempt")},delegateYield:function(t,r,e){return this.delegate={iterator:O(t),resultName:r,nextLoc:e},"next"===this.method&&(this.arg=u),v}},a}("object"==typeof module?module.exports:{});try{regeneratorRuntime=runtime}catch(t){Function("r","regeneratorRuntime = r")(runtime)}
\ No newline at end of file
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index c7a6963f73..b2abe86f26 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -80,8 +80,9 @@ function wp_default_packages_vendor( $scripts ) {
 	$suffix = wp_scripts_get_suffix();
 
 	$vendor_scripts = array(
-		'react'     => array( 'wp-polyfill' ),
-		'react-dom' => array( 'react' ),
+		'react'       => array( 'wp-polyfill' ),
+		'react-dom'   => array( 'react' ),
+		'regenerator-runtime',
 		'moment',
 		'lodash',
 		'wp-polyfill-fetch',
@@ -91,12 +92,13 @@ function wp_default_packages_vendor( $scripts ) {
 		'wp-polyfill-dom-rect',
 		'wp-polyfill-element-closest',
 		'wp-polyfill-object-fit',
-		'wp-polyfill',
+		'wp-polyfill' => array( 'regenerator-runtime' ),
 	);
 
 	$vendor_scripts_versions = array(
 		'react'                       => '16.13.1',
 		'react-dom'                   => '16.13.1',
+		'regenerator-runtime'         => '0.13.7',
 		'moment'                      => '2.29.1',
 		'lodash'                      => '4.17.19',
 		'wp-polyfill-fetch'           => '3.0.0',
@@ -106,7 +108,7 @@ function wp_default_packages_vendor( $scripts ) {
 		'wp-polyfill-dom-rect'        => '3.104.0',
 		'wp-polyfill-element-closest' => '2.0.2',
 		'wp-polyfill-object-fit'      => '2.3.5',
-		'wp-polyfill'                 => '7.4.4',
+		'wp-polyfill'                 => '3.15.0',
 	);
 
 	foreach ( $vendor_scripts as $handle => $dependencies ) {
@@ -121,8 +123,6 @@ function wp_default_packages_vendor( $scripts ) {
 		$scripts->add( $handle, $path, $dependencies, $version, 1 );
 	}
 
-	$scripts->add( 'wp-polyfill', null, array( 'wp-polyfill' ) );
-
 	did_action( 'init' ) && $scripts->add_inline_script( 'lodash', 'window.lodash = _.noConflict();' );
 
 	did_action( 'init' ) && $scripts->add_inline_script(
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 322ab72923..f2482c79ea 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-beta2-51211';
+$wp_version = '5.8-beta2-51212';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.