This property defines approval of Symbols as Unicode in version 15.0 in 2022
Characters like ೳ,໎,𐻽, etc. are listed under 15.0 Age.
4489 Characters are present in 15.0 Age starting with the Unicode point U+0CF3 that represents the character ೳ.
Currently, as per latest version 15.0.0, Unicode supports 26 number of Age. Here are a few examples - 1.1,10.0,11.0, etc.