When turning off power to a redstone lamp, there is a delay of a fraction of a second before the lamp actually goes dark.
This is most noticeable in clock circuits involving redstone lamps, which no longer work correctly.
The attached video demonstrates the issue. The piston in the video demonstrates that the clock circuit is indeed working correctly, however the redstone lamp does not turn off quickly enough to produce the expected flashing effect.
I'm also experiencing frequent crashes when I open a world and look at a clock circuit containing a redstone lamp like the one in the video.
Edit by @unknown: By using observers, you can clearly see that this behavior is in fact a functional delay, and not just a visual one. Hook up an observer to a redstone wire, and have that wire hooked up to a redstone lamp. Make another observer observe that lamp, and power the wire. Both observers will output a signal simultaneously. Now unpower the wire. Notice how the observer that is observing the redstone wire activates before the observer observing the lamp does.
Also, I can't repro the crash mentioned in the original description, so I assume that was a separate bug that has long since been fixed.
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SuperGeniusZeb
migrated
Please respond and add the current version if you can reproduce this issue.
SuperGeniusZeb
Confirmed for 0.15.4. (Tested on Windows 10.)
SuperGeniusZeb
Confirmed for 0.15.6. (Tested on Windows 10.)
SuperGeniusZeb
Affects 0.16.0 Beta Build 4 (AKA 0.15.90.7).
SuperGeniusZeb
Affects 0.15.10 & 0.15.90.8 (0.16.0 beta build 5).
SuperGeniusZeb
By using observers, you can clearly see that this behavior is in fact a functional delay, and not just a visual one. Hook up an observer to a redstone wire, and have that wire hooked up to a redstone lamp. Make another observer observe that lamp, and power the wire. Both observers will output a signal simultaneously. Now unpower the wire. Notice how the observer that is observing the redstone wire activates before the observer observing the lamp does.
migrated
Affects 1.2.5.15 (1.2.5 Beta Build 3).
DeeFeeCee
Same thing with JE. Related to MC-172213?
DeeFeeCee
Affects 1.16.210. Just checked on Java & although it exhibits similar behavior, it is still possible to flicker it with a 2 redstone tick clock. On Bedrock, the fastest clock that flickers the redstone lantern is a 3-RT clock.
[Mojang] Mega_Spud (Jay)
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However, this issue has been temporarily closed as Awaiting Response
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tryashtar
Still an issue
tryashtar
Here's a comparison with java edition: https://streamable.com/qnjavb
Java takes 0 ticks to power, 4 to depower
Bedrock takes 2 or 3 ticks to power, 6 to depower
odigiman
Confirmed for 0.15.0. (Tested in Windows 10.)