Read more abut it in this medium article: https://medium.com/hype-satellite/using-and-extending-hype-symbols-using-hype-stable-symbol-2b2ce35a30bf?source=friends_link&sk=b3c2b3ae5ac6d64620933bc4ac701fc5
Version history
1.0 Initial release under MIT-license
1.1 Bugfixes, additional API and immediate refresh
Latest version can be linked into your project using the following in the head section of your project:
<script src="https://cdn.jsdelivr.net/gh/worldoptimizer/HypeSymbolCache/HypeSymbolCache.min.js"></script>Optionally you can also link a SRI version or specific releases. Read more about that on the JsDelivr (CDN) page for this extension at https://www.jsdelivr.com/package/gh/worldoptimizer/HypeSymbolCache
Learn how to use the latest extension version and how to combine extensions into one file at https://github.com/worldoptimizer/HypeCookBook/wiki/Including-external-files-and-Hype-extensions