The improvement done in LOGBACK-1392 permits to use JANSI library on unixes environment and thus to detect whether the log output supports ANSI or not (ex : when the standard output is redirected to a file).

This could be really useful to have it backported in 1.2.x.

The related commit is : https://github.com/qos-ch/logback/commit/58f15b51906b8ea25a509a46b33d87aef800d446#diff-239e4cf8f5c9929963c93157b5a7abc058d806e1cfe54317aa54b96dfd955ce7