extra_vars option: json format: string "true" turned into boolean "true" about action-ansible-playbook HOT 4 OPEN

ansible-playbook [core 2.12.10]
  config file = None
  configured module search path = ['/Users/charles.murphy/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /opt/homebrew/lib/python3.11/site-packages/ansible
  ansible collection location = /Users/charles.murphy/.ansible/collections:/usr/share/ansible/collections
  executable location = /opt/homebrew/bin/ansible-playbook
  python version = 3.11.4 (main, Jul 25 2023, 17:36:13) [Clang 14.0.3 (clang-1403.0.22.14.1)]
  jinja version = 3.1.2
  libyaml = True

- name: Show ansible vars
  debug:
    var: vars['{{item}}']
  loop:
    - 'abc'
    - 'string'
    - 'boolean'

➜  ansible git:(ecr-pull-user-playbook) ✗ ansible-playbook sui/sanity.local.yaml -e '{"abc": "xyz", "string": "true", "boolean": true}'
[WARNING]: No inventory was parsed, only implicit localhost is available
[WARNING]: provided hosts list is empty, only localhost is available. Note that the implicit localhost does not match 'all'

PLAY [Sanity Test (local)] *****************************************************************************************************************************************************

TASK [Gathering Facts] *********************************************************************************************************************************************************
ok: [localhost]

TASK [sanity : Show ansible vars] **********************************************************************************************************************************************
ok: [localhost] => (item=abc) => {
    "ansible_loop_var": "item",
    "item": "abc",
    "vars['abc']": "xyz"
}
ok: [localhost] => (item=string) => {
    "ansible_loop_var": "item",
    "item": "string",
    "vars['string']": "true"
}
ok: [localhost] => (item=boolean) => {
    "ansible_loop_var": "item",
    "item": "boolean",
    "vars['boolean']": true
}

TASK [Run tree command on selected directories] ********************************************************************************************************************************
skipping: [localhost]

PLAY RECAP *********************************************************************************************************************************************************************
localhost                  : ok=2    changed=0    unreachable=0    failed=0    skipped=1    rescued=0    ignored=0