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That seems like a lot of people to abandon! Perhaps the right financial decision, I don't know, but that seems like a significant number of users.

They aren't ending support for 32-bit Windows. If the ratio of 32/64 bit users on Linux matched those on Windows, then this would affect 0.5% of their users.
Does this mean that 32-bit Linux users will be able to run more up-to-date versions using Wine?
within those numbers are people who don't really have a preference one way or another, and just didn't bother to upgrade. I have to imagine that the group of people that must use 32-bit and need modern features is vanishingly small.
I would bet a lot of those folks are running embedded linux environments. Kiosks, industrial control, signage, NUCs, etc. I know that as of about 6 years ago I was still working with brand-new 32-bit celeron systems for embedded applications. (Though those CPUs were EOL'd and we were transitioning to 64-bit)
6 years ago was 2019. You were working in 2019 with "brand new 32-bit-only Celerons" which had no 64 bit support?!

Nah mate, something doesn't add up. I can't buy this. Even the cheapest Atoms had 64bit support much earlier than that and Atoms were lower tier silicone than Celeron so you can't tell me Intel had brand new 32 bit only Celerons in 2019.

My Google-fu found the last 32-bit only chips intel shipped were the Intel Quark embedded SoCs EoL in 2015. So what you're saying doesn't pass the smell test.

May have been 2018. Definitely not that long before covid. Suppliers in the embedded space will stockpile EOL parts for desperate integrators such as ourselves, and can continue to supply new units for years after they're discontinued. The product needed a custom linux kernel compile and it took a while to get that working on 64-bit and we had to ship new units. Yes the COGS get ridiculous.
Sure, but in that case it probably wasn't a Celeron, and there's industrial players still keeping 386 systems alive for one reason or another, but it feels in bad faith to call it "brand new" when it's actually "~10 year old, new old stock". Do you know what I mean?
I think that’s the right way to look at it. If you want a 32 bit system to play with as a hobby, you know you’re going to bump into roadblocks. And if you’re using a 20 year old system for non-hobby stuff, you already know there’s a lot of things that don’t work anymore.
>And if you’re using a 20 year old system for non-hobby stuff, you already know there’s a lot of things that don’t work anymore.

Mate, 20 year old system means a Pentium 4 Prescott and Athlon 64, both of which had 64 bit support. And in another year after we already had dual core 64 bit CPUs.

So if you're stuck on 32 bit CPUs then your system is even older than 20 years.

That was a transitional time. Intel Core CPUs launched as 32 bit in 2006, and the first Intel Macs around then used them. OS X Lion dropped support for 32 bit Intel in 2011.

So you could very well have bought a decent quality 32 bit system after 2005, although the writing was on the wall long before then.

Maybe more relevantly, the first Atom CPUs were 32-bit only and were used in the popular netbooks (eeepc etc) during 2008-2010ish era.
>So you could very well have bought a decent quality 32 bit system after 2005, although the writing was on the wall long before then.

Not really. With the launch of Athlon 64, AMD basically replaced all their 32bit CPUs lineups with that new arch, and not kept them along much longer as a lower tier part. By 2005 I expect 90% of new PCs sold were already 64 bit ready.

"Modern features" are one thing; "security updates" are another. According to the blog post, security updates are guaranteed for 1 year.
Its an actual migration to a new platform more than just not bothering to upgrade though.
some people use older tech, precisely because it is physically incapable of facilitating some inpalatable tech that they dont require.
Abandon is too strong a word. I imagine most people who are still using 32 bit operating systems aren't too concerned about getting the very latest version of firefox either.
They might not be concerned, but websites using new standards will slowly start to break for them.
Polyfills are standard for websites to be compatible with older browsers.
It will all break in time.

These things that look like institutions, that look like bricks carved from granite, are just spinning plates that have been spinning for a few years.

When I fight glibc dependency hell across Ubuntu 22 and Ubuntu 24, I sympathize with Firefox choosing to spin the 64-bit plates and not the 32-bit plates.

Not applicable, though javascript is a programming language not a standard library.
If I were a product decision maker, I’d be ok with that. It’d have to be a very unusual niche to make it worth the engineering effort to support customers who only run decades-old hardware.

Employees: “We want to use new feature X.”

Boss: “Sorry, but that isn’t available for our wealthy customers who are stuck on Eee PCs.”

Nah.

Mozilla is in extremely dire straits right now, so unless this "lot of people" make a concerted donation effort to keep the lights on I would be hardly shocked by the sunsetting.
Dire straights? They had $826.6M in revenue in 2024.

They will be in dire straights if the Google money goes away for some reason, but right now they have plenty of money.

(not that I think it makes any sense for them to maintain support for 32-bit cpus)

> Mozilla is in extremely dire straits right now, so unless this "lot of people" make a concerted donation effort

Last i checked, Mozilla was an ad company with Google as the main "donor".

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