Cannot plan manually in year "2021"

Browser used: Chrome or Firefox
ProjeQtor version: 8.5.3

When entering an assignment in a task, it is impossible to enter dates on 2021.
The months change from December 2020 to January 2020 and not 2021.
In addition, if we try to select days on January 2020, it is possible to do it only from January 23, 2020, before, it is blocked.
No error message returned.



Je n'ai pas vu sur le forum d'article traitant de ce sujet.
Thanks for your analysis.

Hello,

Indeed it's an issue, tikect #4937 as recorded.