https://stackoverflow.com/questions/79610071/ansible-when-condition-is-being-evaluated-once-per-loop-run

gistfile1.txt

$ cat test.yml 
- hosts: localhost
  gather_facts: false

  tasks:
    - name: Test task
      ansible.builtin.debug:
        msg: This task runs
      loop: [1,2,3,4]
      when: item < 3
      
      
$ ansible-playbook test.yml 

PLAY [localhost] **************************************************************************************************************************************************************************************************

TASK [Test task] **************************************************************************************************************************************************************************************************
ok: [localhost] => (item=1) => {
    "msg": "This task runs"
}
ok: [localhost] => (item=2) => {
    "msg": "This task runs"
}
skipping: [localhost] => (item=3) 
skipping: [localhost] => (item=4) 

PLAY RECAP ********************************************************************************************************************************************************************************************************
localhost                  : ok=1    changed=0    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0