Can’t get multiple emails to work

[eattext]

Thanks for all your work on this plugin. I’ve got the form on my website to work i.e. emails successfully sent and received on Submit using SMTP, but can’t make multiple emails work for some unknown reason.

The first method using two email process calls proceeds successfully to display: /formsubmit (confirmation page is shown with no errors), but only the first email (‘Copy to myself’) is sent:

    process:
        email:
            subject: "Copy to myself"
            body: "{% include 'forms/data.html.twig' %}"
            from: "{{ config.plugins.email.from }}"
            to: "{{ config.plugins.email.to }}"
        email:
            subject: "Copy to user"
            body: "{% include 'forms/data.html.twig' %}"
            from: "{{ config.plugins.email.from }}"
            to: "{{ form.value.email }}"
        display: /formsubmit

The second method, using the recommended syntax/array, doesn’t seem to proceed successfully to display: /formsubmit i.e. a slightly broken page (wrong template?) is displayed, but the first email (‘Copy to myself’) is successfully sent and received:

  process:
       email:
           - 
               subject: "Copy to myself"
               body: "{% include 'forms/data.html.twig' %}"
               from: "{{ config.plugins.email.from }}"
               to: "{{ config.plugins.email.to }}"
           - 
               subject: "Copy to user"
               body: "{% include 'forms/data.html.twig' %}"
               from: "{{ config.plugins.email.from }}"
               to: "{{ form.value.email }}"
       display: /formsubmit

Swapping positions of email blocks produces the same result i.e. first email only sent (this time, ‘Copy to user’), suggesting that there’s nothing wrong with the variables.

Same result if using Sendmail instead of SMTP. PHP is version 8.2.

Any idea on what the problem is here?

[eattext]

Update:
The following code listing all keys under process as an array seems to work:

    process:
      - email:
            subject: "Copy to myself"
            body: "{% include 'forms/data.html.twig' %}"
            from: "{{ config.plugins.email.from }}"
            to: "{{ config.plugins.email.to }}"
      - email:
            subject: "Copy to user"
            body: "{% include 'forms/data.html.twig' %}"
            from: "{{ config.plugins.email.from }}"
            to: "{{ form.value.email }}"
      - display: /formsubmit

Still not clear on why the second method doesn’t work, though.