I can't reproduce that
I add a override icon for PDF
restart
Add a run/open for PDF so it opening PDF
Save
restart
Both works.
Might be in what order things are done that trigger some bug? So instead of me trying to figure out exactly what combination of order of things, Can you give me steps to reproduce it since you can reproduce it ? The order you are doing things to trigger it.
Having a step by step list on how to reproduce it will make it easier to figure out why it is happening
It's easy, make an Icon Override (custom Icon). then make a File Extension for it in Launchers (Run/ Open), then modify it a 2nd time by adding an extension: the custom Icon Override will disappear ! The trick is the second time you add another extension to the Launchers Extension List (re-modifying it, not the 1st time), it causes the deletion of the Icon Override !!
What I'am trying to say is after you make a PDF extension in launcher it will work, but if you were to add *.azw3 or any other extension a *Second* time and click Save to update it, the Icon Override gets deleted !! The 1st time it doesn't cause issues, but it won't let you add a 2nd extension without breaking the Icon Override for PDF.
Do this and you will see:
I add a override icon for PDF
restart
Add a run/open for PDF so it opening PDF (launcher will look like: "*.PDF")
Save
restart
Now Add a 2nd extension alongside the PDF (call it anything let's say *.azw3) and click Save: the Icon Override for PDF disappears !!! (launcher will look like: "*.PDF *.azw3")
Check Icon Override (will be missing) This happens for every entry of Icons and their Launcher Extensions not just PDF. Worst part is you will lose all re-modified extensions for the Icon Overrides listed in Launcher Extensions. So if I had Icon Overrides for "*.PDF *.EPUB *.MOBI" those will *all* get deleted when you hit Save a *Second* time.
Please Mathias, this is a nasty bug, I need it fixed badly. I won't take your time unless it's important !