Timeline Events set to once break timeline

[TomorrowToday]

Version

• Phaser Version: 3.88.2

• Operating system: MacOS 15.4.1

• Browser: Chrome 136.0.7103.114 (Official Build) (x86_64)

Description

Multiple timeline events with once set to true, silently break the timeline and prevent all future events from firing.

Example Test Code

sandbox

class Example extends Phaser.Scene
{

    create ()
    {
	const timeline = this.add.timeline();
		
        for (let i=0; i<50; i++) {
            timeline.add({
                at: i * 20,
                once: true, // comment out to get to fin
                run: () => console.count('event #')
            });
        }

	timeline.add({
	    from: 1000,
            run: () => console.log('fin')
	});

	timeline.play();
    }
}

const config = {
    type: Phaser.AUTO,
    width: 800,
    height: 600,
    backgroundColor: '#2d2d2d',
    parent: 'phaser-example',
    scene: Example
};

const game = new Phaser.Game(config);

Additional Information

[photonstorm]

Thank you for submitting this issue. We have fixed this and the fix has been pushed to the 4.0.0 branch. It will be part of the next release. If you get time to build and test it for yourself we would appreciate that.