Instant preview: different sizes in different situations

[Paul A. Rubin]

On 3/11/21 10:29 AM, Rudi Gaelzer wrote:
> Using:
> LyX v. 2.3.6.1
> OS: Fedora Core 33
> TeXLive v. 9
>
> I noticed a weird behaviour for some time already with Instant Preview.
> In: Preferences -> Look & Feel -> Display -> Instant preview,
> if I set Preview size 1.2, then during the edition, when a given formula is
> rendered for the first time, the display size is OK.
> However, when I restart LyX and resume processing the text, the same formula
> is rendered with a much smaller size... very difficult to read.
>
> If I try to circumvent this problem by setting preview size to, say,  1.5,
> then on the first time the equation becomes huge, although after restart the
> new size is better than with the previous setting.
>
> Has anyone noticed this behaviour as well?  I'd say this is a bug, but, I
> don't know...
>
I cannot reproduce that here (LyX 2.3.6.1, Linux Mint 20, Qt 5.12.8, 
TeXLive 2019).

Paul