Filename validation needed.

[dnmsk]

Ext4 is allow to contains some disabled by mailru symbols (: for example).
Uploading will go in infinity loop. Log file is displaying general exception.

[ZZZConsulting]

Unfortunately, there is no Ext4 available to check the new build v1.24.11.04.
The following chracters are replaced in file or folder names when created:

* -> • (\u2022),
: -> ⁞ (\u205e),
< -> « (\u00ab),
> -> » (\u00bb),
? -> ‽ (\u203d),
| -> │ (\u2502),
/ -> ~,
\ -> ~.