Textual words from them:

It’s our first step towards a more modern, more beautiful, and more customizable Thunderbird experience. We think you’re going to love it, and we are endlessly grateful for all of your support throughout the years 💙

  • FistfulOfStars
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    1 year ago

    Can anyone confirm whether or not it’s built on Electron?

    The closest I can find is from Feb 2023, saying that at that time it would not be Electron:

    Mozilla also still plans to use the Firefox web browser as the core platform for Thunderbird. That leaves Thunderbird as one of the few cross-platform mail applications that isn’t an Electron app or based on web technologies in some way

    So possibly Electron-like but based on Firefox rather than Chromium?