I'm a noob to v15, just barely upgraded from v12 mainly for the ability to add tags to WAVs. Sadly I was unable to create a library file from scratch due to the fact my WAV files (ripped from my CDs) do not currently contain tag information.
I created my views, sorts and setings the way I wanted them in v15 then first tried exporting my v12 library and importing it (minus settings) into v15. I lost all the library views I created, as well as the default ones included with v15 and sort settings - along with a few other tweaks I'd created.
So I loaded my default empty v15 library view I created back up (thank God I saved it all) and followed the instructions in the wiki - upgrading the library database from v12 to v13 to v14. I noticed when I installed v15 it didn't automatically find the v14 library and offer to convert it as was the case going from v12 to v13 and from v13 to v14, so I exported the v14 library and imported it into v15.
v15 finished the import then froze. (This happened exporting from v12 and importing directly into v15 btw.) I tried this several times with the same "freezing" results. After forcing the application to close I could restart and all seemed fine with my library, except same as before, the library view I created, as well as the default ones and sort settings and a few other minor things, were replaced with the settings from the old library.
Should I expect anything different? I'm guessing I'll just have to deal with it. I wish I could simply re-create the library from scratch, but that's not an option since my WAVs don't have tags. I'm thinking about seeing if I can have v15 add tags to my existing WAVs (is this even possible? I know I can add tags to WAVs as I create them in v15 at least) then re-creating the library database from scratch.