The spoil rate was already pretty low on most recipes/enchants or anything noteworthy but in the last 2 weeks it is non-existent.
Examples for same party composition / hunting speed if not faster:
- Nephilim Guard = 6+ hours farming = 1 time blue/sweep enabled, before rate was 1 time per ~ 2 hours. Other mobs here seem to yield a similar spoil rate as they did before
- Hallate's Maid & Hallate's knight = 2 hours = 0 times blue, before rate was several times per hour.
- Hallate's Inspector, Guardian & Commander = 3 hours = 0 times bl