@shhdharmen

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

When setting { updateOn: 'change' }, with <mat-chip-grid [formControl]="formControl">, the FormControl's value does not update on change, it only updates on blur.

Reproduction

StackBlitz link: https://stackblitz.com/edit/micfsvcz?file=src%2Fexample%2Fchips-form-control-example.ts
Steps to reproduce:

1. Modify values in chip input
2. Observe that value of form-control is not getting updated on change
3. Blur out of the form-filed and observe that form-control's value is getting changed

Expected Behavior

FormControl's value should update on change with below:

1. { updateOn: 'change' }
2. <mat-chip-grid [formControl]="formControl">

Actual Behavior

FormControl's value is not updating on change with below, it is only updating on blur:

1. { updateOn: 'change' }
2. <mat-chip-grid [formControl]="formControl">

Environment

• Angular: 20.1.0
• CDK/Material: 20.1.0
• Browser(s): Chrome
• Operating System (e.g. Windows, macOS, Ubuntu): macOS