I started all new projects as 64 bit about a year and a half ago. I didn't like leaving Lexicon Pantheon reverb behind plus several other nice plugins, but I found good replacements, including Breverb instead of the Lexicon. I figured it was just a matter of time before 32 bit would start holding me back and causing problems. Man I sure glad I did it, considering CbB is only 64 bit. 
 
For anyone that made the transition, I doubt if anyone will care. I still have quite a few old projects that are 32 bit and will be glad when they are done. When I need to work on them, I simply open Splat 32 bit and it works just fine. All the plugins work. Yet if I open the same project in 64 bit I get a screen of many missing plugins. I purposely stopped updating my 32 bit Splat, since it was really only for old projects that were fine with the old versions. 
 
 Sometimes on a 32 bit project if it hasn't been mixed, then I'll just open the 32 bit project, hit Control-A and Control-C, then open my 64 bit template and paste all the tracks to the 64 bit project and finish it in 64 bit. I'm sure through the years I'll have to use 32 bit when revisiting these old projects, but am perfectly content to use my old 32 bit Splat and not use CbB.
 
My advice to those hanging on to 32 bit, is start pondering a transition to 64 bit. There's no huge hurry, carefully work this out. Splat 32 bit is working fine, but one day you'll be glad you did the transition to 64 bit. When you're ready, just start all new projects in 64 bit CbB and use 32 bit for the old projects. As time passes hopefully opening 32 bit will become a rarity.

Cactus Music
For me it is more stable for sure. I was getting crashes if I didn't keep saving my work every dozen or more edits. I got used to this but sometimes I'd forget and boom,, there goes the last 15 minutes of work again.. 
I also got freeze up's after I would export a song. Thank goodness it was already saved. 
 
So same system, same everything, no more crashes no more freeze ups. And even though I still beleieve in saving as you work I certainly have gone for long periods now where I forgot and nothing happened. It's about time too! 
Noel said that there were some changes to the core that made CbB more compatable with W10. This is most likely why we are seeing this improvement. 
 
And sorry to hear some are not happy about 32 bit, I too had a few favourites but they are now replaced and by what turns out to be better stuff, so get over it soon as nobody really will care anymore. Like people who use Windows XP because they chouldn't change. 

 
 
I'm glad you mentioned about Noel making changes to the core making CbB more compatible with Win 10. It seems I heard some fleeting reference to some stability improvements  and even some new minor features or improvements. I'd like to see a list of what has changed, so far haven't found one. 
 
I'm glad to see others have notice the stability improvements. What was really driving me crazy was when Splat would crash and close and then yo couldn't open it again until you either waited a long time or rebooted. This was a major PITA and was primarily why i reverted to 2017.01. 
 
After 3 weeks of using CbB, I'll do all the Win updates and see if I still have the stability and use that about 3 weeks, then I'll try the new software for my MOTU Ultralite and see if the stability is still there. Stability is waaay more important to me than new features. I hope CbB stays on this path.