I think the normal GNOME Terminal still uses GTK 3
Andromxda
I really wouldn't recommend it on a laptop if you want to use it as a portable, battery-powered device.
This is BS, half of it is pure speculation, the other half consists of conspiracy theories.
God damn these guys create a new terminal emulator every day
Wayland has been very stable for me since 2021, never went back to X.
I used OpenWRT for years, but I switched to the FreeBSD-based OPNSense router/firewall OS.
What about the normal GNOME Terminal? Or the new one called Blackbox?
Qubes OS counts as an unusual setup, right? Maybe even more unusual, I used to use Proxmox on my desktop PC, and I ran Debian and Arch on top of that. Also a little unusual, I use a MacBook Pro with Asahi Linux (actually the Fedora Asahi Remix).
Why are Rockchip, Allwinner and other Chinese companies allowed to sell their garbage in western countries?
Plus Messenger looks proprietary. You might be interested in Beeper once it's released, it let's you use all your messaging platforms in one app. And it's supposed to be secure and open-source.
That is not the official Telegram app. It is a fork called "Telegram-FOSS". If you go to the F-Droid page and click on 'Source code', you will see that it links to this repo: https://github.com/Telegram-FOSS-Team/Telegram-FOSS
This is the description of that GitHub repository:
Unofficial, FOSS-friendly fork of the original Telegram client for Android
Then maybe try Tilix? It's very similar to the GNOME Terminal emulator (it includes some extra features) and it definitely uses GTK3