Gamepad Trigger pressure detected only when it's 50% down

Problem description:

Analog deadzone settings doesn't affects Gamepad Trigger buttons

Steps to reproduce

1. run attached Triggerdeadzone.capx

2. CAREFULLY and SLOWLY press Left or Right shoulder trigger to change animation frame

Observed result

pressure registered only when you pressed analog trigger 50% down

Expected result

if you change preview browser to Firefox, pressure detects INSTANTLY

It would be perfect, if you add pressure detection settings for analog triggers

System details

Construct 2 R265 on Windows 7 SP1,

NWJS for Scirra Construct v0.33.3

Firefox 63.0.1

Xbox360 gamepad

Attached CAPX

https://goo.gl/pWSwq6