Input began not firing whilst holding down LeftShift key

Bug Reports Engine Bugs
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#1

If you hold down the LeftShift key & press any other key after, the input began event will not fire for that key. Does not occur on a default Roblox baseplate - check Reproduction Files.

System Information:

  • OS: Windows 11 23H2 22631.4112
  • CPU: AMD Ryzen 5 5600X 6-Core @ 3.70 GHz
  • GPU: Nvidia RTX 3070
  • RAM: 32.0 GB

The Studio build I am running is version 0.642.0.6420636. This issue does not occur on the Roblox Client at the time of this post & is only exclusive to Studio. This problem only began to occur today (9/17/2024).

Reproduction Files:
I did not experience this problem on an unedited, fresh baseplate & have only experienced this on my game. I have uploaded a file of my game stripped down to only service properties being edited as that is the only way I have found this to be reproduced, with a local script that documents this with some prints. I am unsure of which properties in specific cause this strange behavior.

LeftShiftBugRepro.rbxl (53.2 KB)

Expected behavior

Input began should be firing even while holding down the LeftShift key.

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#2

I am also having this issue. Only applies to a specific place, which leads me to believe that it’s something I accidently changed in that place alone.

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#3

I’m pretty sure it has to do with StarterPlayer or Workspace properties, but that’s just what I’m guessing. It definitely has to do with some service properties being edited.

#4

We couldn’t reproduce this issue in your place file either:
image

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#5

I’ve launched Studio without plugins & I am still getting this issue. Maybe some of my Studio settings could be the cause? I have also noticed that this issue now occurs for me on an unedited baseplate now (unless I had just not noticed this before).

#6

I have tested this on my MacBook & I am still experiencing this problem. No Studio settings changed or plugins installed.

System Information:
OS: macOS Sequoia Version 15.0
CPU: Quad-Core Intel Core i5 @ 2.4GHz
GPU: Intel Iris Plus Graphics 655 1536 MB
RAM: 8.0 GB

Studio build is version 0.642.0.6420636.

I don’t know if this helps a lot, but I guess it’s probably good to know that this is happening on other devices & not exclusive to my machine.
Please let me know if you need anymore information (and what it is) so you can reproduce, because I really don’t know what else I can give.

#7

Which keys in particular are you interested in?

Shift+X and Shift+C now have default keybindings in Studio to toggle the snapping boxes in the ribbon, and thus consume those keypresses.

I’m going to get a fix in to ignore these during testing gameplay since they’re somewhat common gameplay keys. In the meantime you can use the File → Advanced → Customize Shortcuts menu to unbind those shortcuts.

6 Likes
Shift + X/C does not work in Studio
Can no longer hold Shift and press C in Play Solo
#8

You’re right, I was interested in Shift + X or C. I guess I just forgot to check all the other keys (my game has functionality that involves pressing down those keys while holding shift lol). Thanks!

#9

I’ve been debugging for the past 2 hours trying to figure out why, just to get told that it wasn’t my script but Roblox Studio. I’m going to start tweaking

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