Quite a bit; just it's mostly living in the direct to video bin, as it were. There's a whole world of pretty decent action flicks out there[1]. Scott Adkins, who's mentioned in that article, makes just about anything he's in worth watching and directors like Jesse V. Johnson, John Hyams, and Isaac Florentine[2] are solid. Oh, and there's a whole cache of good French action movies on Netflix -- Lost Bullet is a good place to start.

As a discovery mechanism, I'd recommend following Vyce Victus[3], who writes reasonably well about action movies.

  [1] https://letterboxd.com/journal/direct-action-scott-adkins-dtv-film-evolution/
  [2] https://www.rogerebert.com/features/the-real-vulgar-auteurs-three-great-directors-of-direct-to-video-films
  [3] https://letterboxd.com/vycevictus/

i think a lot of the indie action has gone to the YouTube vfx studios

Have you seen this year's "Everything, Everywhere, All at Once"? If not, I highly recommend it, it's amazing and bonkers and moving and clever. Just an utterly fantastic movie all around. The budget was $25 million—which is not small—but it still feels a lot more indie than most other movies.