I used to see the bloodlust debuff and also for example the debuff you get once a keystone starts (challenger something something) on my party frames and they would disappear once I enter combat. Whenever I turn on BigDebuffs now the bloodlust debuff would not disappear in combat and take away important space. If I toggle "hide other debuffs" its gone out of combat and in combat, but Im also not able to see bleeds/healing reduction debuff etc anymore.

Is there a fix for it?

I dont think there is, it has been reported several times during the past few weeks