If anything, it might actually be a "fix" to prevent you from making multiple characters and stockpiling on more of these things. For the teleport scrolls, anyway.
......Let's hope it's not. Before, you can store mounts into your account storage. Now you cannot.
There are also other items that are now untradable, like campfires. Mostly quest rewards, though.
...At least Ledise and Raden Vouchers are still tradable. For now.