The regular releases are generally speed improvements or new features--in general, nothing that changes any exising Raku code. Any necessary changes are done after a long deprecation period where the user can have adequate warning and preparation time to update his existing code.
Try it, you'll like it. I like for many reasons. Among them:
+ it is C-like in its use of curly braces (and not weird whitespace like Python, ugh)
+ its kebab-case as in:
my $first-name = 'Tom';
+ easy use of classes
+ much easier to use than Perl (much less so-called "line noise")
+ huge set of built-in routines
+ easy to create and use public add-on modules
+ great built-in math capability
New users don't have to use the great power available all at once. It's easy to get started building practical things. If I were building GnuCash from scratch, I would use Raku and JSON instead of C, Scheme, and XML.
I hope to see you on IRC #raku.
Best regards,
-Tom