Slightly off-topic, but I noticed that this doesn't happen for me, even though the option is checked... which led me to realise that I'm currently using a skin I modified a few years ago and never really needed to look at since (umm... 17-Dec-10?).
Upon inspection of the current default skin files, it appears the bitmap used would be #12 in Smoked, and #18 in FullGlass (just as examples). I'm assuming these are referenced by the "Submenu_new_selection" entries in the script.
I've also noticed the "folder arrow" bitmaps don't seem to behave the same as they did 3 years ago (yeah, I know, "big surprise").
Essentially I'm wondering if there's a simple way to "modernise" an older skin to include new elements (for example, my old skin doesn't include anything like "Submenu_split_selection_slices" and I have no idea what they may actually be), or if it's just easier to take a current skin and rejig it to use my old resources (mostly modified bitmaps). And, more importantly, is there a list of changes that have been implemented via how skins work? These things don't seem to be very detailed in the main changelog compared to the primary programme features.
I am familiar with the Skinning Tutorial, though I admit I haven't read it in awhile - it took me long enough to wrap my brain around bitmap splices the first time around.
So, in short, should I just start over, or would you expect me to get by with mere tweaking of my existing (old) skin? For 99% of things (as far as I know) my old skin still works fine, which is why I never looked closer in each iterative release for minute changes which (apparently) add-up over the years.
Edit: My old skin appears to be a modified version of the old Aero skin... which is apparently now a skin7 file (?), and seems to have 8 extra bitmaps than mine (not all of which are easily identifiable), and 50 more script lines. Ugh. This should be fun.