meta-raspberrypi VS Signal-Desktop

How do you figure Pis have bad integration with Yocto?

https://github.com/agherzan/meta-raspberrypi

For what it's worth, the entire Pi lineup is also well supported by Buildroot. In-tree, no less.

Embedded linux exactly. Major OEMs are using yocto. Check https://www.yoctoproject.org/

Been there. You don't want alpine or debian. Good gpos, but what you want is Yocto, which will let you build exactly and only what you need piece by piece including only the kernel modules for your hardware, the exact applications you use and no extras, and with a little extra tweaking, you can wire in Mender for ota updates and the ability to push custom images to clients that need specialization, or even fully unlocked images for customers that need it, plus if you're using an SD card, you can send users recovery drives instead of shipping full devices or let them build their own images without your proprietary code

I second Yocto. It's the kernel in use by the OpenBMC project

One last "option" is yocto but tis is not good for desktop, but it can be a fun project.

2: https://github.com/signalapp/Signal-Desktop/issues/1862

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It does, see [0]. Fun fact: Signal desktop, which uses Electron under the hood, is running without sandbox on Linux [1][2].

[0] https://github.com/electron/electron/pull/39824

[1] https://github.com/signalapp/Signal-Desktop/issues/5195

[2] https://github.com/signalapp/Signal-Desktop/pull/4381

There was a issue opened on GitHub a while back apparently but that was closed due to inactivity. What you might want to do is either open a new issue directly in GitHub (provide as much information as possible and include debug logs) or just send them a support ticket via the support form (and include debug logs).

Desktop will have it https://github.com/signalapp/Signal-Desktop/commit/9bfbee464bc307a9133ccf43042987343722afe9

Issues have been ongoing for the past couple weeks. It's not clear if this is the client or backend. Dual stack works again with v6.20.2, but IPv6-only with NAT64 still doesn't. Actively being worked on, and hopefully some good learnings. Issue link thread: https://github.com/signalapp/Signal-Desktop/issues/6439

Alive again with 6.20.2 on Windows dual stack. Directly downloaded from https://signal.org/download/

Fix1, Fix2, Fix3, Fix4