Studio crashes when trying to drag something from the Toolbox, when no Instance Picker Component is present

Description

When I turn off the New Explorer, which also involves turning off FFlagInstancePickerComponent4. When I try to drag something from the Toolbox, Roblox Studio Crashes.

Why? :(

But the Toolbox worked fine before New Explorer came out, so why does the Toolbox only look for whatever FFlagInstancePickerComponent4 gives to it?

Now, the only reason why I disable the New Explorer, is because the text can’t be read:

 

The only thing I know the Instance Picker does, is to fix assigning ObjectValue’s from the Properties Window by selecting Instances on the Explorer.

Re-production Steps

  • Use these flags like so:
{
  "FFlagInstancePickerComponent4": false,
  "FFlagKillOldExplorer3": false,
  "FFlagNewExplorer": false
}
  • Start Studio Baseplate Template
  • Drag something from the Toolbox

Expected Result

Before the New Explorer launched, this wouldn’t happen.

Actual Result

When FFlagInstancePickerComponent4 and FFlagNewExplorer is turned off, dragging something from the Toolbox will crash Studio. You can’t disable FFlagInstancePickerComponent4 without crashing in the first place, so…

I don’t think bugs for removed features will be adressed, atleast not soon.

Find the flag to disable the new toolbox as well

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That one would be from

There is no expected behavior when you go out of your way to change flags.

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