Chris, see screenshot here: just updated to v2.45.4 Pro, and apparently bumped into a feature your changelog has in the 2.46 beta: “mashups now ignore any center/zoom settings and automatically center to show all POIs.” (Note also the hamburger menu at upper left, mentioned in 2.46 beta.)
I have used your center and zoom settings in mashup shortcode extensively in order to tweak maps; and in the case of the attached screenshot, the result is a world map that repeats itself (which I had previously fixed via zoom = 2 and a particular center).
I’ve now reverted back to my earlier 2.44.3 version, and would appreciate clarification of the above prior to updating to latest stable; thanks.
I tried emailing you to discuss this but my note is probably sitting in a spam folder. In your site is it possible to use the ‘minZoom’ setting instead of center/zoom? That setting prevents users from zooming too far out – as well as setting the initial map zoom. For example: