nacrt

fix date-picker.plugin locale defaulting to de

3

### 1. Why is this change necessary? ``date-picker.plugin`` defaults to ``de``. it is supposed to default to ``default`` aka ``en`` ### 2. What does this change do, exactly? ``this.options.locale.substring(0,2)`` returns...

fix Exception::__construct() in TreeBuildingNavigationRoute.php

2

### 1. Why is this change necessary? The original code incorrectly creates a RuntimeException. By adding the missing ``\sprintf`` method, this is fixed. Just a few lines above, you can...