Simple Taxonomy Revision module enables revisions for taxonomy terms for Drupal 8.
As Taxonomy Revision in Drupal 7 not ported to Drupal 8, and Drupal 8 Core does not provide revisioning for taxonomy terms, enabling this module provides an option to create revision for any term.
A new tab Simple Revisions in taxonomy term configuration from where we can revert and delete revisions
Switch view mode depending of current theme. For example, for mobile site version automatically selected "Full mobile" view mode, for usial site version - "Full" view mode.
This is a very light-weight module allows fields to be unique by bundle and language.
You can use ajax for check.
You can customize the error message
---REQUIREMENTS---
*None. (Other than a clean Drupal 8 installation)
---CONFIGURATION---
Enable the "unique" case in the field settings form,
if you want it to be unique by language enable the per_lang case.
if you want to check by ajax on change event enable the use ajax case.