No multi-device support on Android.
If you want to more than one Android device tied to your account, install Molly insead.
Not on the title bar, but Liftoff has a really big button with plus sign on it. Hard to miss.
Overall the app has a great UI.
E: It may have sounded like I was sarcastic, I was not.
You can change the fallback and preferred API settings on the general settings section.
Disable 'Proxy Videos Through Invidious', under 'Player Settings'.
The latest.
A. Go to Adguard Downloader, and paste Microsoft Store's WhatsApp link.
B. Download all msixbundle/appx for *your* architecture (probably x64).
C. Open PowerShell as Admin, and enter:
Add-AppxPackage –Path "<path\to\msixbundle\or\appx>"
D. Repeat C for all the files you've downloaded.
Not sure if it's still relevant. I'll post in for the chance it'd help someone else.
You can install the app manually, without the store. You only need to paste some Powershell commands, and it works on Windows LTSC too.
Download Linux Mint/Fedora ISO.
Make a bootable flash drive with Rufus for Windows systems, or DD for Unix-like OSs.
Don't wipe-out everything. Grub Linux Mint/Fedora iso, and install it to be alongside Windows.
When you have free time, play with it.