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Debian aarch64 has been working well on the Raspberry Pi for a while now. Good to see Raspbian catching up.
Yeah I've seen more and more people switching to Ubuntu's 64 bit build just because there are a lot more arm64-compatible things floating around now than armv7. I'll be happy to not have to spend so much time compiling things for the 32-bit OS!
Yep -- I just bought a Raspberry Pi 4 this past weekend and was surprised to learn that .NET Core wasn't supported until I realized Raspbian was 32-bit. I installed Ubuntu/arm64 and while I didn't realize it was a non-GUI OS that was fine and I was able to put .NET Core 3.1 and some small apps on it and all is well.
8gb rpi4 just came out today.
Uh - I've been using Raspbian + .NET Core for ages. Works fine.

pi@pi:~ $ uname -m

armv7l

Perhaps this is too much of a tangent, but why do people feel the need to type out "Uh" or "Um" in internet discussions? Are they trying to mimic the way they speak offline, because if so, it doesn't come across particularly well.
It frames the intent of what they are about to "say". Before reading the technical details I already know that the author has a contrasting experience.
Nice I might have to check Ubuntu out for the Pi. I was also debating going the openSUSE route.
are there any disadvantages to using debian aarch64 vs raspbian?

I would prefer to be on the base distro for several reasons (though mainly prompt security updates)

The big disadvantage to me is firmware updating. You have to have a second SD card that boots rasbian just to perform the update.
IIRC the firmware is in a separate repository from the rest of raspbian. You can simply add it to your debian sources.list.
Proper ARM SBCL with threads yay
Sweet, didn't think of this as one of the potential upgrades. I just installed Manjaro ARM (64-bit) on mine yesterday, along with SBCL. Sure enough, :SB-THREAD is there! Thanks for the tip.
Is migration from 32 bits possible?
In the comments on the announcement post, someone mentioned there would be a new post tomorrow covering more on the transition/upgrade, but it is supposedly possible using normal upgrade procedure (apt update then apt full-upgrade). At least that’s how I read it.
Is there a noticeable performance benefit with RPi at 64bit?
I’m strongly thinking of just migrating to Ubuntu server instead. This might give me pause
(comment deleted)
> Raspberry Pi 4 model B can drive two 4K monitors

Finally, the Year of Linux Desktop has arrived.

With a $85 price tag I think it's moving away from its original premise of bringing cheap computing to the masses and especially students and tinkerers.

Aside from that, I never liked the intimate relationship between Broadcomm and the RP Foundation.