Description

Input parameters can be promoted to variables from the context menu when dropped on an empty graph. Per [Link Removed] this is not expected and dangerous for users to use.

This is reproducible as far back as //UE4/Release-4.22 cl 8065115 so this is not a regression.

Steps to Reproduce
  1. Open any project
  2. Create a new Blueprint Function Libary (BFL)
    • Right click content browser > Blueprints > Blueprint Function Libarary
  3. Open the new BFL
  4. Create a new function
  5. Create a new input variable for that function
  6. Drag off the input pin and release the mouse on a the empty graph
  7. Select 'Promote to Variable' from the context menu

Result
The input parameter is promoted to a global variable and the BFL can no longer succesfully compile

Expected
Only local variables should be declared within BFLs

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-100510 in the post.

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Fixed
Fix Commit13668187
CreatedOct 5, 2020
ResolvedJun 1, 2021
UpdatedJun 7, 2021