I just did a test, and the possible culprit was found: When creating an entry in the Blog section using the left button it did not appear in the list, but only with the encircled button, at the right. Don't ask me why, really don't know.
Note that at the end of the edition, it is necessary to mark the option, 'submit' so that the article appears immediately among others after finishing.
Note that at the end of the edition, it is necessary to mark the option, 'submit' so that the article appears immediately among others after finishing.