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Changes between Initial Version and Version 1 of Ticket #57995, comment 25

initial	v1
1		The flickering should be rarer now; I do not experience it with the new Classic block modal. Firefox can still have the problem when the block editor is not in an iframe (showing the Custom Fields panel or activating a plugin such as Yoast SEO would keep the non-framed editor).
	1	The flickering should be rarer now; I do not experience it with the new Classic block modal. However, Firefox can still have the problem when the block editor is not in an iframe (showing the Custom Fields panel or activating a plugin such as Yoast SEO would keep the non-framed editor).
2	2
3	3	The toolbar element (I found `#mceu_18` near the end of the `body`) repeatedly adds and removes `display: none` to the `style` attribute. The script comment from #44911 mentions flickering (or "flicketing") in Chromium. I was able to change the flashing rate with a different timeout value, which indicates that the [https://core.trac.wordpress.org/browser/trunk/src/js/_enqueues/vendor/tinymce/plugins/wordpress/plugin.js?rev=53047#L1127 resize section] runs in Firefox, too.