diff --git a/libs/core/_locales/core-jsdoc-strings.json b/libs/core/_locales/core-jsdoc-strings.json
index 65d25239..a273a4f5 100644
--- a/libs/core/_locales/core-jsdoc-strings.json
+++ b/libs/core/_locales/core-jsdoc-strings.json
@@ -4,8 +4,12 @@
   "AcceleratorRange.OneG": "The accelerator measures forces up to 1 gravity",
   "AcceleratorRange.TwoG": "The accelerator measures forces up to 2 gravity",
   "Array": "Add, remove, and replace items in lists.\n\nAdd, remove, and replace items in lists.",
+  "Array.every": "Tests whether all elements in the array pass the test implemented by the provided function.",
+  "Array.every|param|callbackfn": "A function that accepts up to two arguments. The some method calls the callbackfn function one time for each element in the array.",
   "Array.filter": "Return the elements of an array that meet the condition specified in a callback function.",
   "Array.filter|param|callbackfn": "A function that accepts up to two arguments. The filter method calls the callbackfn function one time for each element in the array.",
+  "Array.forEach": "Call a defined callback function on each element of an array.",
+  "Array.forEach|param|callbackfn": "A function that accepts up to two arguments. The forEach method calls the callbackfn function one time for each element in the array.",
   "Array.get": "Get the value at a particular index.",
   "Array.get|param|index": "the zero-based position in the list of the item, eg: 0",
   "Array.indexOf": "Return the index of the first occurrence of a value in an array.",
@@ -14,6 +18,8 @@
   "Array.insertAt": "Insert the value at a particular index, increase the array length by 1.",
   "Array.insertAt|param|index": "the zero-based position in the list to insert the value, eg: 0",
   "Array.insertAt|param|value": "to insert, eg: 0",
+  "Array.join": "joins all elements of an array into a string and returns this string.",
+  "Array.join|param|sep": "the string separator",
   "Array.length": "Gets or sets the length of the array. This is a number one higher than the highest element defined in an array.",
   "Array.map": "Call a defined callback function on each element of an array, and return an array containing the results.",
   "Array.map|param|callbackfn": "A function that accepts up to two arguments. The map method calls the callbackfn function one time for each element in the array.",
@@ -33,6 +39,8 @@
   "Array.slice": "Return a section of an array.",
   "Array.slice|param|end": "The end of the specified portion of the array. eg: 0",
   "Array.slice|param|start": "The beginning of the specified portion of the array. eg: 0",
+  "Array.some": "Tests whether at least one element in the array passes the test implemented by the provided function.",
+  "Array.some|param|callbackfn": "A function that accepts up to two arguments. The some method calls the callbackfn function one time for each element in the array.",
   "Array.sort": "Sort the elements of an array in place and returns the array. The sort is not necessarily stable.",
   "Array.splice": "Remove elements from an array.",
   "Array.splice|param|deleteCount": "The number of elements to remove. eg: 0",
diff --git a/package.json b/package.json
index 4af31c0f..f7fd4cc5 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,6 @@
     "semantic-ui-less": "2.2.14"
   },
   "dependencies": {
-    "pxt-core": "0.17.19"
+    "pxt-core": "0.17.20"
   }
 }