https://connect.mozilla.org/t5/discussions/firefox-pdf-viewer-ui-ux-sidebar-settings/m-p/141122#M57529 <P>The Firefox PDF Viewer has a sidebar which displays pages, the document outline, attachments, and layers.</P><P>I believe that the viewer would be much improved if these different modes for the side bar retained separate buttons (as they once did) instead being forced into a drop down which takes an additional click to use.</P><P>Should it be unclear what the buttons do, they ought to have a small text label when you hover over them that names each.</P><P>I also think that "document outline" should be the default or there should be a way to set one setting or another to the default while using the PDF viewer.</P><P>Also a "expand all" and "collapse all" button on the document outline would be useful for PDFs with many nested sections.</P> Sat, 03 Oct 2026 08:56:13 GMT Callafrax 2026-10-03T08:56:13Z https://connect.mozilla.org/t5/discussions/firefox-pdf-viewer-ui-ux-sidebar-settings/m-p/141122#M57529 <P>The Firefox PDF Viewer has a sidebar which displays pages, the document outline, attachments, and layers.</P><P>I believe that the viewer would be much improved if these different modes for the side bar retained separate buttons (as they once did) instead being forced into a drop down which takes an additional click to use.</P><P>Should it be unclear what the buttons do, they ought to have a small text label when you hover over them that names each.</P><P>I also think that "document outline" should be the default or there should be a way to set one setting or another to the default while using the PDF viewer.</P><P>Also a "expand all" and "collapse all" button on the document outline would be useful for PDFs with many nested sections.</P> Sat, 03 Oct 2026 08:56:13 GMT https://connect.mozilla.org/t5/discussions/firefox-pdf-viewer-ui-ux-sidebar-settings/m-p/141122#M57529 Callafrax 2026-10-03T08:56:13Z