Christiaan Hofman

let metal command buffer keep strong reference to recources, avoids a warning with the page turn transition

Register undo for page rotation by gestures only for full rotationinstead of 90 degree steps

Use a customview to display the pdf page in presentation. Simplifies the PDFView subclass and avoids flickering when pages changeor transitions. Synchronize currentPage in pdfview with the presentation view.

interpret missing date-added or date-modified for smart group conditions as far into the past

fix selector

Ignore function and numeric pad modifiers for arrow keys

disable swipe gestures in pdfview in presentqtion mode so we can forward it to use our transitions

It has nothing to do with Skim in particular and what we do. These are all standard system items, and often generated by the system, so it is really about the standard system frameworks, not the Skim app. But most of all, it is about your problematic choices.