There are currently no open bugs.

"traitlets" versions published in Ubuntu

Mantic (5.5.0-1): universe/misc
Lunar (5.5.0-1): universe/misc
Jammy (5.1.1-1): universe/misc
Focal (4.3.3-3): universe/misc
Bionic (4.3.2-1): universe/misc
Xenial (4.0.0-1): universe/misc