Mae Cyllideb eleni yn gam arall yn hanes datganoli cyllidol - dyma'r flwyddyn gyntaf i refeniw a godir gan gyfraddau treth incwm Cymru gael eu cynnwys yng nghyllideb Cymru, ar ôl eu cyflwyno ym mis Ebrill 2019.
This year’s Budget marks another step in our fiscal devolution journey – it is the first year revenue raised from the new Welsh rates of income tax will be included in the Welsh budget, following their introduction in April 2019.