When you look at rain while picking up an item, the rain animation differs (see video).
It doesn't affect 1.14.4.
(I searched "rain", no bug report was related to 1.15.)
MC-166092
Rain animation differs when picking up items
Resolved
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PappaDavid
(Unassigned)
Unconfirmed
(Unassigned)
1.15 Pre-release 1
Retrieved
Your video isn't displaying any.. video. Can you upload it to youtube and then send it?