Why are images in my Markdown files not loading? The app uses the new Quick Look API that was introduced in 10.15, so it unfortunately won't work with older versions of macOS. Why isn't the app available on macOS 10.14 or older? All assets are stored locally and network access is disabled, but web views unfortunately still need the .client entitlement to function.
Glance renders some previews in a WKWebView. Why does Glance require network permissions? There are existing Quick Look apps for some of the supported file types. Tab-separated values (parsed using SwiftCSV). Jupyter Notebook (rendered using nbtohtml). Source code (with Chroma syntax highlighting). Glance provides Quick Look previews for files that macOS doesn't support out of the box.