On 4.1.0, states/attributes that are string formatted dates are not being formatted at all

[SaifAqqad]

So basically, if an entity's state or attribute is a string formatted date like: 2020-11-13 17:38:33, and I use format: relative or any other format type, that string is just returned as is instead of making a new Date object with it.

I think it has to do with this line

[ildar170975]

I have to confirm the problem.
On my setup:

        secondary_info:
          entity: device_tracker.life360_somebody
          name: false
          attribute: last_seen
          format: relative

Now it looks like this:

[ktownsend-personal]

I just noticed this problem too. I'm using format: relative but the display is 2020-11-17T06:30:00

[firestrife23]

confirmed

[Pendora2017]

same

[benct]

Should be fixed in v4.1.1.

[ktownsend-personal]

Thanks! Confirmed fixed 👍

[ildar170975]

Yes, fixed! Thank you very much!