Apps targeting Android SDK 30 published by F-Droid cannot yet be installed on Android 11. This affects at least FairEmail, Netguard, OpenVPN and a few others.
You might want to hold up upgrading your device to Android 11 for a few weeks if you rely on any of these apps.
As a developer, you might want to hold up upgrading targetSDK to 30 for a bit.
The issue is tracked here, including a workaround for getting your data back from FairEmail in case you already fell into this trap.
https://gitlab.com/fdroid/fdroidserver/-/issues/827
The weirdest #privacytools thing is you have to buy the most popular smartphone model to get some custom ROM support. Super ultra premium models get some HW issues and less FW support.
Kali Linux Now Available for Raspberry Pi 4
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The Raspberry Pi 4 is a sweet little machine with more than enough power to run a Linux distribution on it.
The developers behind Kali Linux agree and have made it so that their distribution is compatible with Raspberry Pi 4 and has "on-board wifi monitor mode & frame injection support".
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https://www.bleepingcomputer.com/news/linux/kali-linux-now-available-for-raspberry-pi-4/
have to wait 2 weeks to get fkin #zenfone6
to use ZenUI or not to use - that is the question