There is no need to readjust your planned training segment values anymore, after you updated your capacities.
Upcoming planned workouts automatically recalculate their segment values, if the related capacity revision changed.
Also the percentage value to the capacity reference is displayed on the segment, when enabled on the planned segments card.
On the other hand, executed planned workouts do not change their segment values, this is fixed then, but they change accordingly the capacity percentage value.
It is possible to disable the autocalculation of future workouts in the settings.
To enable this on already planned workouts, before this feature was online, just reapply the values on this workout.