Broken Piston Monostable Circuits
Piston monostable circuits no longer work. I do not care if this is technically working as intended or not, it needs to be reverted back. There are so many redstone builds that no longer work because of this issue.
Created Issue:
Broken Piston Monostable Circuits
Piston monostable circuits no longer work. I do not care if this is technically working as intended or not, it needs to be reverted back. There are so many redstone builds that no longer work because of this issue.
The piston timings seem to have changed. This seems to be happening because retraction happens sooner (compared to red stone update). Related issue: MCPE-27090 seems to be happening because extension happens sooner (compared to the red stone update)
I can confirm this issue. Attaching a screenshot that clearly shows the red stone lamp activates before the red stone connecting to it.
Edit: While problems reported in these issues no longer repro in 1.2.2.3, they seem to be related: MCPE-27090, MCPE-27040

The piston timings seem to have changed. This seems to be happening because extension happens sooner (compared to the red stone update). Related issue:
MCPE-27040seems to be happening because retraction happens sooner (compared to red stone update).Is it possible redstone timings could be sped up? And I'm talking just the redstone, not the pistons. I'm actually kinda glad to hear pistons are now faster. But now, it seems they're a bit too fast.
If I recall, it seemed that MCPE Piston Timings were always a bit slower than the JAVA version of the game. It may require timing adjustments. Haven't played in my redstone world for a bit so I probably should go check the doors and traps.
From https://minecraft.net/en-us/article/you-made-better-together-better-ever:
They mention Console specifically, so I'm not sure what changes, if any, apply to MCPE though.
Fixed as of 1.2.2.
Thank you for your report!
However, this issue is a Duplicate of
MCPE-16641.If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
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This isn't a duplicate of
MCPE-16641. The mechanism here does not try to power the piston from the front, instead what powers the piston is the block to the side (which is weakly powered by the redstone dust on top of it). This mechanism works correctly in build 1.2.2.3.I can confirm it is working in 1.2.2.3