Most of the translations in the backend of the block editor are missing when using Bedrock Boilerplate together with Gutenberg Plugin.
The translations were installed correctly.
A similiar problem was described in this topic and marked as fixed.
https://core.trac.wordpress.org/ticket/45528
Also this Bug happens only when using the separate Gutenberg Plugin. There is no problem when using the block editor in Wordpress 5.2.1.
This bug also appears only in Bedrock. If I define a custom wp-content in a standard WordPress installation the translations were shown correctly.
If I deactivate the part where wp-content custom directory is defined in Bedrock (in the applications.php) the translations are also there.
The Gutenberg Plugin is nearly fully translated in German. So the translations should show up. The best indicator is the string "Status and Visbility" at the right sidebar which should be "Status und Sichtbarkeit" in German.

To reproduce
Steps to reproduce the behavior:
- Install WordPress with Bedrock
- Use a different language than English
- Install Gutenberg Plugin with Composer or within the WP-Admin and activate it
- Install the Translations
- Create a new Post
- The Blocks and the Boxes on the right Sidebar are shown in English
Desktop:
OS: Windows
Browser Chrome 74, Firefox 67
Tested with:
- Wordpress 5.2.1
- Gutenberg Version 5.7.0 and 5.8.0
- Bedrock 1.12.6
Most of the translations in the backend of the block editor are missing when using Bedrock Boilerplate together with Gutenberg Plugin.
The translations were installed correctly.
A similiar problem was described in this topic and marked as fixed.
https://core.trac.wordpress.org/ticket/45528
Also this Bug happens only when using the separate Gutenberg Plugin. There is no problem when using the block editor in Wordpress 5.2.1.
This bug also appears only in Bedrock. If I define a custom wp-content in a standard WordPress installation the translations were shown correctly.
If I deactivate the part where wp-content custom directory is defined in Bedrock (in the applications.php) the translations are also there.
The Gutenberg Plugin is nearly fully translated in German. So the translations should show up. The best indicator is the string "Status and Visbility" at the right sidebar which should be "Status und Sichtbarkeit" in German.
To reproduce
Steps to reproduce the behavior:
Desktop:
OS: Windows
Browser Chrome 74, Firefox 67
Tested with: