Problems in WP 5.5

Hello, I have some problem after update to WP 5.5..

1) Facebook and Twitter widgets (by JetPack) doesn’t work (in builder is working correctly)
2) Shortcodes (pligin Shortcoder) doesn’t show (in builder is working corretly).

The plugin Enable jQuery Migrate Helper say:
“jQuery Migrate Helper — Warnings encountered

This page generated the following warnings:

https://www.symbolic.cz/wp-content/themes/neve/assets/js/build/all/metabox.js: jQuery.fn.load() is deprecated

Please make sure you are using the latest version of all of your plugins, and your theme. If you are, you may want to ask the developers of the code mentioned in the warnings for an update.”

The page I need help with: [log in to see the link]