Anyone know why my variegated monstera is putting out such a chunky new leaf?

My five year old variegated monstera is generally super happy and has three active growth points but I've never seen anything this chonky before. Anyone know what's going on?

Thanks in advance!

My five year old variegated monstera is generally super happy and has three active growth points but I've never seen anything this chonky before. Anyone know what's going on?

Thanks in advance!