LP gains bugged in all elo's?

A couple games ago, I was gaining 24+ LP, losing around 15 LP. Then all of a sudden, after winning a game, the gain turned into 19 LP, and a game after that, 18 LP. This is even after I'm playing with against people my own MMR and I have a 60% winrate over around 50+ games. Is it me or did Riot fixing Diamond+ gains also mess up LP gains for the other elos?
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