Incorrect life results
I attacked my opponent with 9 Trample (Optimistic Scavenger with many auras) while they had 4 life and they blocked with a 4/4 lifelink (Aclazotz). They should have ended combat alive with 3 life. Instead my opponent ended combat with 3 life but the client decided they had died as it briefly showed -1 life before applying the lifelink for a gain of 4. They should have still been alive after combat.
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DAC169#34537 commented
That is how arena has always shown it. First the damage, then the life gained from lifelink. Unless they lost when they should have lived due to lifelink there is no bug.