I'd say there's a definite buff to Denmark and Norway here. Their development was increased as well.
The new Sami provinces and the old inland lappmark provinces now start with a lot of autonomy (as reasonably state control was very limited there) so I doubt Sweden can be said to have been buffed in 1444.
Removing the huge old province in the north of Finland which was adjacent to half of Scandinavia in itself was a priority though
Oh I fully agree with having the Lapmarker split up, since they were really huge and clunky indeed. I just noted, somewhat facetiously, that the time Denmark and Norway finally got more provinces Sweden got too.

As you saw in the DD I thought that Sweden could use some more too; I just found it a bit funny that Sweden got some now given that she got some a short while ago too.
Also authonomy gets insignificant in something like 50 years at most, but that is more a problem with authonomy not having enough teeth. Also more development indeed is good; though it isn't everything, since you also need strategic depth. Both to be able to come back should you lose a battle or a province. But also to prevent being able to get annexed in one war, which was possible for Denmark previously---or at almost possible; can't remember exactly. Which as mentioned in my old thread also was one of the main reasons I wanted more island provinces---and still do---to force a would be conqueror to beat the fleet, like historically (belt freezing fluke aside, since that literally was a once in a millennium occurance). Though hopefully the added provinces in Jutland will do a lot, since due to the fort in Kolding you'll be able to regroup through Østjylland and Nordjylland and fall into Kolding. Assuming that the fort doesn't bug out and give one of those strange things that happen from time to time, where the enemy can bypass the fort as if it wasn't there.
Also did you rename the anachronistic Kolding to the historically correct Koldinghus?