lyx 2.4.4 has a memory leak?

[Scott Kostyshak]

On Thu, Nov 13, 2025 at 07:48:14PM +0200, matan wrote:
> I've updated to 2.4.4 form 2.4.2 just this week and ever since then i've
> noticed that the longer i use it continuously more ram is being allocated
> (i'm working with only math and text at the moment and only 3 tabs open)
> and for example i worked for a few hours and the ram usage rose up to
> around 6GB of RAM for LyX (according to task manager) i i definitely felt
> it, every couple of minutes it would stop and freeze completely for a few
> seconds and the lag was horrible, after closing it and opening it back up
> it was initially normal at around 100-300MB of RAM utilization, but now
> it's been an hour or two and it rose up to 1.5GB of RAm utilisation and it
> keeps on growing.
> 
> is there maybe some setting that i need to set, or some old versions i need
> to delete somehow?
> 
> thanks in advance for any help,
> 
> Matan

Hi Matan,

6GB of RAM for LyX is indeed ridiculous and in my non-expert opinion
does suggest *a* memory leak. But we don't know if it's coming from LyX
or Qt. Further, I don't recall other users reporting something like this
recently.

I would personally suggest you wait until 2.5.0 is released (or if you
want to test a pre-release let us know), and see if you observe the leak
there as well.

Scott
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