There are some problems:

- It can't change context menu color.
- Exported themes can't be installed, Firefox says it is broken.

A workaround for sidebar text contrast issues when using dark theme.
:root {
color-scheme: light dark !important;
}

It doesn't play very nice with Vertical tabs, most presets are obv broken and making one from scratch is a real chore without previews.

Still does exactly what was on the tin at release though. No notes with conventional tabs. It's just a real shame.

edit: they fixed the saved themes tab issue!
Decent extension with pretty thorough customization but the saved themes tab is covered by the menu preview and I can only access it with uBlock's element zapper. Additionally, the background images are never displayed as they're shown in the preview and the 1mb limit is a bit difficult to work with. A zoom-to-fit or resize option for backgrounds would be appreciated. Would be a 5 stars if not for those QOL issues.