Describe the bug
Keyframes names like those h1{ -webkit-animation: e836684w2 } h2{ animation: e836684w2 } with e at beginnig are trying to convert by postcss-convert-values

To Reproduce
Here is PR with failing test on this case
cssnano/cssnano#908

Expected behavior
Expected that no conversion performed

Screenshots

**Desktop (please comp

in my old project , using webpack 1.x. And I use esbuild-loader replace babel-loader will print error

` building for production.../Users/wanglihui/WebstoreProject/onionfph5/project/node_modules/esbuild-loader/dist/plugin.js:12
compiler.hooks.thisCompilation.tap('esbuild', compilation => {
^

TypeError: Cannot read property 'thisCompilation' of undefined

Describe the solution you'd like

We would like to bump the minimum required WordPress version to 5.3.

We have today 97.6% of our users using WordPress 5.3 or +

What do we need to change?

In wp-rocket.php, update WP_ROCKET_WP_VERSION to 5.3

Add 'since' information to plugin configuration parameters by inspecting the commit history.