Raids Will Sometimes Spawn Multiple Waves At Once

I started a raid on my survival world, killed two waves, but then the third wave spawned then it said they all died and spawned wave four. Then I went and fought the last two waves and and fought a ravager and several pillagers that were not part of the wave. Sadly, I did not get a video of the bug. But I may be able to reproduce it. the seed is 30223194.