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Tangerine UI for Mastodon@TangerineUI@nileane.fr (2026-06-19 20:50:26)
[Announcement] It’s time to say goodbye to Tangerine UI 🧡

Almost three years ago exactly today, I started working on Tangerine UI with the goal of creating a full custom theme for Mastodon’s Web UI, with a fun color scheme, multiple variants, cute icons and animations, and visual features that did not exist in other alternatives. The project immediately became incredibly successful: hundreds of stars on GitHub, with at least 50+ Mastodon instances that decided to offer the theme to their 40,000+ cumulated users (including several institutional instances!).

Tangerine UI was very ambitious in regard to how crudely it actually works (overriding Mastodon's CSS). And I feel like I was successfully able to push the limits of what's possible with this constraint. But maintaining it is sadly no longer sustainable for me. Which is why the time has come for me to announce that Tangerine UI will reach its end of life at the end of this month, June 2026:

• Tangerine UI is no longer being maintained, effectively immediately.
• The repository will be frozen and archived (made read-only) on June 30th.
• Current open issues and PRs will not be addressed, and the last supported release of Mastodon will remain Mastodon 4.5.x
• Mastodon 4.6 and future releases of Mastodon will not be supported and will break the theme.

Don’t get me wrong, I had a ton of fun creating the theme and its four variants. But as soon as Tangerine UI had come to a point I had considered finished, it immediately became genuinely depressing to have to spend many hours of my spare time on it every time a new major version of Mastodon was released — all just to un-break it and bring it up to speed, and without the fun felt on evolving the project and adding new features. With my motivation declining, my energy spent on other side projects (some of which I’d actually get paid for), and the fact that even I stopped using my own theme day-to-day in favor of other Mastodon clients, it feels like now is the right
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image: https://cdn.nileane.fr/media_attachments/files/116/776/635/210/933/771/original/041e9733c49b34c7.png
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Tangerine UI for Mastodon@TangerineUI@nileane.fr (2026-06-19 21:26:04)
Oh! And I suppose now is a good time to finally reveal the easter egg only a handful of you ever found over the past three years:
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video: https://cdn.nileane.fr/media_attachments/files/116/776/760/904/867/488/original/dedb054b6764e03a.mp4