1. There is an Issue on m.youtube.com. After reloading, highlighted text and all chars after in the string, that contains it, disappear. (You will have to trick youtube with any android user agent to open exactly m.youtube.com )
2. Please, create settings for user defined DEFAULT highlighting style, and an option not to open sidebar/tab when new text is marked through context menu. That will add grate overall speed and convenience advantages.
3. As in your speed dial add-on, internal pages are notably slow on notebooks

Thanks for developing.

Updated the text.

2021/07/19
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For some reason, there is no anomaly that the characters after the link disappear. For now.

However, even if it works with the overflow menu, there are some abnormalities that the option screen becomes blank when operating with the toolbar.

Overflow menus work relatively well, but overflow menus are not without blank anomalies.

It works relatively well by opening a new tab and editing it instantly.

I thought it could be due to the user CSS or user script I'm inserting, but it doesn't seem to be the cause.

I thought I had a problem with over 40 extensions, but even if I only enable extensions created by the author, the options screen is often blank.

I thought it was because the browsing history data of the browser was bloated, but even if I deleted all the history and restarted, the option screen often became blank.

Great and useful add-on! Many thanks!

Works exactly as stated and helps to quickly find information. Nice user interface and features.

删除规则后,要重启firefox 才能消除颜色

It's got a beautiful interface and works well. Thank you!