RSS Sage-Like per arielg

Sage-Like is a simple, sidebar based feed reader (Atom, RSS, JSON and RDF). Like its add-on predecessors, Sage by Peter Andrews and the Sage++ by Higmmer, I did my best to keep it lightweight and fast.

◼ FEATURES
 ● A sidebar based display.
 ● Feed discovery from the sidebar and from the address bar.
 ● Customized discovery of "hidden" RSS feeds on YouTube, Reddit, DeviantArt,
  Pinterest and Behance.
 ● Integrated with the browser's native bookmarks.
 ● Feeds automatically sync across your devices when using Firefox Sync.
 ● Fully customizable tree view. Add/Edit/Delete/Copy/Paste/Drag-n-drop directly
  in sidebar.
 ● Various filtering capabilities to the tree feeds (filter by title, URL or status).
 ● Context menus for feeds and for feed-items (articles) offer more actions.
 ● Support for middle-click, ctrl-click & shift-click in the feed-items list.
 ● Rendered Feed Preview via middle-click or context menu (support custom
  style sheet).
 ● Support for import & export feed subscriptions using an OPML file.
 ● Customizable UI font & colors.
 ● Support Manifest V3.

◼ MANIFEST VERSION
 The latest version supporting Manifest V2 is Sage-Like v3.2.2.
 Available at https://addons.mozilla.org/en-US/firefox/addon/sage-like/versions.

◼ PERMISSION JUSTIFICATION
 ● 'Read and modify bookmarks' – Integration with the browser's native
  bookmarks.
 ● 'Get data from the clipboard' – Support for Copy/Paste operations in the
  sidebar.
 ● 'Input data to the clipboard' – Support for Copy/Paste operations in the
  sidebar.
 ● 'Download files and read and modify the browser’s download history' –
  Exporting feeds to a file (OPML).
 ● 'Access browsing history' – Managing feed state (read/unread).
 ● 'Access browser tabs' – Opening feed articles, feed Previews, etc.
 ● 'Access your data for all websites' – Feed fetching and feed discovery.
 ● "storage" – Storing extension preferences.
 ● "webRequest" – Intercepting clicks on RSS links to display feed previews.
 ● "webRequestBlocking" – Intercepting clicks on RSS links to display feed
  previews.
 ● "menus" – Try to open page links in Feed Preview from context menu.

◼ CUSTOM CSS FILES
 A few basic custom style sheet files (.css) for the Feed Preview page.
 To be used as‑is or serve as examples.
 https://discourse.mozilla.org/t/support-sage-like-sidebar-based-rss-feed-reader/43383/18

◼ SUPPORT & FEEDBACK
 https://discourse.mozilla.org/t/support-sage-like-sidebar-based-rss-feed-reader/43383