The value given by the Mouse Wheel Axis is usually 1.0 or -1.0, depending on the direction. In HTML5 packages, this value varies based off the browser that is used.

On Firefox (56.0): 0.025 or -0.025
On Chrome (61.0.3163.100): 0.833333 or -0.833333

Regression?: No
This also occurred in 4.16

Steps to Reproduce
  1. Download the attached project, compile the project, and then package the project for HTML5
  2. Launch the packaged game on both Google Chrome and Mozilla Firefox
  3. When in the game, scroll your mouse wheel in either direction
    Result: On Firefox: The value given is 0.025 or -0.025. On Chrome: The value given is 0.833333 or -0.833333
    Expected: On both Firefox and Chrome, the value given is 1.0 as it is on Windows.

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Won't Fix
ComponentUE - Platform - Mobile
Affects Versions4.
Target Fix4.23
CreatedSep 28, 2017
ResolvedJun 18, 2019
UpdatedAug 8, 2019