Steps to reproduce:

1. Open attached project (ugui-inputfield-test.zip)
2. Switch to iOS or Android platform
3. Build and run the project on device
4. Tap on “{}UGUI{}” input field
5. Enter some text
6. Tap outside of keyboard or tap on “{}Done{}” button to dismiss keyboard & trigger OnSubmit event
7. Check console output

Actual results: “OnSubmit called: 1” is spammed in console and text field value keeps changing constantly, indicating continuous OnSubmit calls.

Expected results: “OnSubmit called: 1" is logged in console once, text field changes value once.

Reproducible with versions: 6000.3.0a4, 6000.3.0b6, 6000.5.0a4

Not reproducible with versions: 6000.0.50f1, 6000.3.0a3

Tested on (OS): 

• iPhone 16 Pro, iOS 18.6 - Reproducible
• iPad Air 4, iOS 26.1 - Reproducible
• Google Pixel, Android 13 - Reproducible
• macOS standalone - NOT reproducible
• Web - NOT reproducible

Notes:

• Tested with TouchScreenKeyboard and external BT keyboard on iOS - reproducible with both.
• Does not reproduce with TMP input field and OnEndEdit event.