Using a minecart, driving towards a turned rail, will push you backwards, I have never pressed the S (backwards) button on the entire video (link below). I haven't seen any reports relate to this bug so I decided to report it myself
Link for evidence: https://youtu.be/d7LPBw4FzdM
Related issues
duplicates
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migrated
Thank you for your report!
We're actually already tracking this issue at MC-144605, so we will resolve and link this ticket as a duplicate.
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