A major bug in latex import for Lyx 2.4

[Andrew Parsloe]

On 15/03/2025 10:34 am, Scott Kostyshak wrote:
> On Sat, Mar 15, 2025 at 08:54:40AM +1300, Andrew Parsloe wrote:
>> On 15/03/2025 2:36 am, Jürgen Spitzmüller wrote:
>>> Am Freitag, dem 14.03.2025 um 09:23 -0400 schrieb Shuvomoy Das Gupta:
>>>> An info that may be relevant is that I am using Windows ARM 64 with a
>>>> Snapdragon(R) X 10-core X1P64100 @ 3.40 GHz   3.42 GHz. I do not know
>>>> if the current lyx binary is ARM compatible or not. I think Windows
>>>> ARM 64 is running Lyx through an emulation layer. That being said,
>>>> Lyx 2.3 is working just fine on ARM64.
>>> Don't think this is relevant.
>>>
>>>> I tried both preview enabled and disabled, in both cases I just see
>>>> the first line, the rest is still missing. Yes, this equation was in
>>>> fact part of a .tex file initially and I discovered the issue when
>>>> doing File > Import > LaTeX, where I only got the first line.
>>> Can you send this file?
>>>
>>>> Version 2.4.3
>>> OK, this should work.
>> On Windows 10, I can reproduce the bug in LyX 2.4.3 and confirm that it is
>> not there in 2.3.7. Just to be completely clear: I pasted Shuvo's align
>> environment and code into a tex-code inset in a preview inset in new
>> documents in both 2.4.3 and 2.3.7, saved the documents, and exported as
>> plain latex to generate .tex files. I closed and deleted the lyx files, and
>> then tried importing as plain latex the .tex files. 2.3.7 worked, 2.4.3
>> didn't; screenshot attached.
> Good to know! Andrew are you also able to test 2.4.x or master? I forget
> if you are all set up with compiling or not.
>
> Scott

Unfortunately, no. There was a time, about a decade ago, when a (brave) 
LyX user on windows could do this by overwriting the the "bin" and 
"Resource" folder of the LyX installation:

https://github.com/syntheticpp/LyX-bleeding-edge

Alas, it has lapsed.

Andrew