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Is they are changed any payment issue. Actually I do not have full information. Can you please share?

after HF21 free downvotes are available, that decreases your payout.
Decreases author payout to 50% from 75%.
Decreases Post payout Pool by 10%.
Read HF21 post about this.My post is also their. You can check @steemitblog posts and search HF21 changes in google search engine.

Thanks for your valuable information. I will check it. Thanks a lot.