I don't think there are plans, if this hasn't been reported yet.
To make sure this gets fixed in a future release, report this issue to GTAC.
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Also if slot has bigger width then the tool FL, is it possible to machine whole slot?
I think not.
Anyway, report it to GTAC . It is good operation and it deserves improvement
Please report this to the GTAC. Probably they can give you a workaround.
In case they dont do it, I have a few ideas but non of them are clean/elegant.