https://caniuse.com/?search=es2020
"es2020" | Can I use... Support tables for HTML5, CSS3, etc
"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
can i usehtml5 css3es2020supporttables
https://www.infoq.com/news/2020/06/eslint-7-release/
ESLint 7.0, 7.1, 7.2 Releases Improve Developer Experience and ES2020 Support - InfoQ
The recent ESLint 7.0, 7.1, and 7.2 releases introduce numerous developer experience improvements, remove support for Node.js version 8, and add support for...
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https://www.openwall.com/lists/oss-security/2020/11/06/1
oss-security - Advisory: ES2020-02 - Asterisk crash due to INVITE flood over TCP