Samuel Wood (Otto)

Replace the smilies with the original versions from previous versions of WordPress.
Added bonus: Disables all “emoji” functionality in WordPress 4.2 and above.

Classic Smilies

I have been using this plugin and I proudly recommend to everyone.
PRO
- It improve performance by removing inline JS and reducing HTTP requests.
Cons
- Smiley images shouldn't be look dull. It could be appear clear like Original.

Thanks & Regards,
Gulshan

Very goood plugin, some improvement needed

Replace the smilies with the original versions from previous versions of WordPress.

yukyhendiawan

Disable Widgets Block is a plugin that provides a simple solution for users who prefer editing widgets in the classic style in WordPress. By specifically disabling the Gutenberg block editor for widgets, this plugin opens the door for you to return to using the familiar and easy-to-understand classic editing interface.

Disable Widgets Block

Disable Gutenberg widget blocks and restore the classic widget interface for a simple, fast, and familiar WordPress widget management experience.

Classic Smilies vs Disable Widgets Block