How to downgrade firefox 63 to 62?

firefox 63 is really buggy...
really often stuck in some webpage,not only kaggle...
while using version 62 , nothing weird happen...
so how to downgrade?

cd /var/cache/pacman/pkg
sudo pacman -U firefox-62.0.3-1-x86_64.pkg.tar.xz

Then add to ignorepkg in pacman.conf.

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can i specify the only version like:63.0.1 and 63.0.2?

....but dont.

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Keeping an old out-of-date piece of software and omitting security fixes is a bad idea. This is an even worse idea when the software in question is something that interacts with the internet/network/downloads/passwords ... like a browser.

Maybe you want to reframe your query as to remedy whatever issue you might face, instead of how to implement this 'solution' ?


maybe you are correct...but i'm still waiting the next and the next next firefox 63 bug fix version...:joy:

Well... what is the issue?
You find 63 to be slow on some pages?
This should probably be a separate topic but you should run the normal things:
Clear history,etc
Check your addons (off/on)
Try running something like firefox --safe-mode to verify it is somehow the version and not something in your settings/profile.
Try a new profile.


My problem was the removal of features I used heavily :disappointed_relieved:

For easier downgrade of package just install... downgrade package:

sudo pacman -S downgrade

and then use it for example like this:

sudo downgrade firefox

It will present versions to choose from your pacman cache+repo and offer to add a package to ignore group.

However, as others mentioned here already, this is only a temporary solution. Don't keep old version too long as it's not good for security or stability of the system.

Here are more details:

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What features are you referring to?

No sidebar for me is a killer. I run tweetdeck from there, I do not use it as a social media platform, but more like a live news feed - this isn't Firefox but Vivaldi, but represents the workflow I had until FF63 pissed on my bonfire!:


I am slowly getting Vivaldi into shape, luckily I did use it for a while 1-2 years ago, so I have a good feel for it :smiley:

The only thing I cannot do is move the forward/previous arrows, which I could in FF62 (by padding them to the right with extension icons).

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Couldnt you just drag the twitch tab into a separate window?
Forgive me if I'm missing something but it seems like a lot of fuss over nothing.

You need an addon to do this in Vivaldi? So why not just use an addon in Firefox?

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