New "layout" of thumbnails and "scope" of galleries

Hi there,
Hopefully two simple questions, but to which I'm not the man to find the answer.

Since my Joomla upgrade, from 3 to 4, I've used GLightbox, for JS View instead of PhotoSwipe and Shadowbox. No other parameters changed.

The thumbnails created on the J3 platform, i.e. PhotoSwipe/Shadowbox, are all 85x85 regardless of in portrait or landscape with aspect ratio kept. See e.g. www.mb219.com/blog/voltage-regulator-woes.html. Now width seem to stick but the height now depends on the height of the underlaying picture which turns "disastrous" for pictures in portrait. Also the vertical distance when the thumbnails stretches over several rows is messed up. See e.g. www.mb219.com/blog/searching-my-roots-in-smaland.html.

Earlier only the pictures in the "opened" gallery was shown, but now if I continue to click it also shows pictures from galleries on the page. 

I have the following settings:

Setting Gallery
Gallery view: Normal
Images per row: 
Vertical gap: 40
Horisontal gap: 30
CSS Image tooltip: No
Show gallery as a list: No
Gallery without JS view effect: No
Select Glightbox (until 221026 PhotoSwipe which replaced Shadowbox 191225)
Load JS files: GLightbox
Image filter: 
Image sorting Ascending
Limit the number of images: No
Line break after number of images: 
Caption: No
Set a global link: 
Open global link in new window: No
Image folder from root: No

Setting Thumbnails
Cache thumbnails: Yes
Overwrite thumbnails: No
Image thumbnail width: 85
Image thumbnail height: 85
Q jpg: 80
Q png: 6
Q WebP: 80
Calculate max size of thumbnails: No
Keep aspect ratio: no
Detail thumb: 1:1
Use crop: Yes
Set crop factor: 1


What to do?

J 4.2.6
SIGE 4.2.5.1 Pro

Håkan

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