By OS level zoom, do you mean larger text? Zoom itself, being as it zooms the full screen, doesn't seem to have any particular effect on the widgets.

As seen with pschaffner, we're now using a different font format which is smaller and does fit in the layout even at larger sizes.

[Auto-generated comment by a script] We noticed that this issue is targeted for M-62; it appears the fix may have landed after branch point, meaning a merge might be required. Please confirm if a merge is required here - if so add Merge-Request-62 label, otherwise remove Merge-TBD label. Thanks.