I noticed after this hotfix there is an issue with slime blocks on top of pistons. They don’t push the player up vertical.
To replicate bug: place piston on ground. Then place a slime block on top of the piston. When the piston is activated the player should be launched vertical and be on the same X and Z coordinates that they launched from. But this bug causes the player to land elsewhere. This bug breaks piston elevators.
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Why am I not getting any feedback. This bug isn’t exclusive to the Switch either. I’ve experienced it on my iPhone as well. This bug breaks a lot of red stone builds that require pistons and slime blocks because the player does not move where they should.

This happens to me and all my houses on my world are broken because of this glitch

I posted this issue 6 days ago and no mod has responded. The issue breaks any red stone builds that require a slime block and piston. When being pushed up the player doesn’t bounce directly up and if obsidian is on all four sides of the player then the player doesn’t launch at all.

Thank you for your report!
However, this issue is a Duplicate of MCPE-62419.
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Thank you for clearing that up for me. I’m glad that the issue is being handled with.
Here’s the link to a demonstration. https://twitter.com/buster5ive/status/1226350392021176321?s=21