Hi John,
I routinely install only for "current user" and have forgotten which folder is the "all users" one. So:
• In [system disk] > System > Library > Keyboard Layouts I only see AppleKeyboardLayouts.bundle
• Upon installing a .keylayout file for All Users with the Organiser, nothing appears in the middle column there, in the above-mentioned system folder, or in [system disk] > Library > Keyboard Layouts. There is no error message, just the usual dialogs (asking for user password, Ukelele telling me to log out).
• With Ukelele’s Organiser, I can only install for Current User, i.e. into [system disk] > Users > [my user] > Library > Keyboard Layouts
This is with Ukelele 3.6b3 (426) on Sequoia 15.5 (updated yesterday).
I guess Apple is trying to make installing for all users as tamper-proof as possible.
Maybe it’s OK to go with that policy of mainly avoiding system-wide installations and just forget about installing keyboard layouts for all users?
Those who really want to do it will know how to find the right folder anyway, and then they implicitly know that it’s their own responsibility, not Ukelele’s.