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CONTRIBUTING.md

@@ -141,15 +141,11 @@ const foo = {
 New code should generally get organized into the `App` namespace. See [fc-js-init.js](js/002-config/fc-js-init.js) for a rough outline.
 
 ## JavaScript Features
-
-* Avoid using very new JavaScript features
-  * Generally, we're currently targeting ECMAScript 2018, though we use a few widely-implemented ECMAScript 2019
-    features, like `globalThis`.
-* Conversely, do use modern features, it's not 2010 anymore and we don't try to support Internet Explorer or anything
-  stupid like that.
-  * use `let`/`const` rather than `var`
-  * prefer fat arrow functions to inline long-form functions
-  * etc.
+* Generally, we're currently targeting ECMAScript 2021.
+* It's not 2010 anymore and we don't try to support Internet Explorer or anything stupid like that.
+* use `let`/`const` rather than `var`
+* prefer fat arrow functions to inline long-form functions
+* etc.
 
 ## Code quality
 
@@ -214,3 +210,4 @@ errors, it's not totally clean as is and there are a few false positives.
 * [Classes in Game State](https://gitgud.io/pregmodfan/fc-pregmod/-/issues/696)
 * [Self executing functions](https://gitgud.io/pregmodfan/fc-pregmod/-/issues/2325)
 * [Sort a map](https://gitgud.io/pregmodfan/fc-pregmod/-/issues/2642)
+* [How to create a Merge Request (MR)](https://gitgud.io/pregmodfan/fc-pregmod/-/issues/3903)