If you're in the middle of retracting a sticky piston, breaking it will cause lava particle to show up rather then the usual piston breaking particle
Steps to reproduce:
1. Place a sticky piston
2. Place a redstone block next to the piston
3. Break the block as fast as possible starting from the redstone block
4. Lava breaking particle will appear instead
Linked issues
is duplicated by 15
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Obsoleted by MC-58189
Pretty sure that is just the particles from the redstone block breaking overlaying with the piston block breaking particles looking orange.