Remove docs about colour regression
@@ -54,14 +54,6 @@ Changed INI rules
- tox 4 requires the ``install_command`` to evaluate to a non-empty value for each target environment. In tox 3, an
empty value would be substituted for the default install command.
-Known regressions
------------------
-
-- With tox 4 the tty trait of the caller environment is no longer passed through. The most notable impact of this is
- that some tools no longer print colored output. A PR to address this is welcomed, in the meantime you can use the
- ``tty`` substitution to force color mode for these tools, see for example tox itself with pytest and mypy
- `here in tox.ini <https://github.com/tox-dev/tox/blob/main/tox.ini#L28>`_.
-
New plugin system
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