Mismatched entity/field definitions on upgrade from 8.2.2 to 8.2.3

I just completed a manual upgrade of drupal 8.2.2 to 8.2.3. Now in the reports section I see the following error:

Mismatched entity and/or field definitions
The following changes were detected in the entity type and field definitions.
Aggregator feed item

The DS switch field needs to be uninstalled.

Aggregator feed

The DS switch field needs to be uninstalled.

Custom block

The DS switch field needs to be uninstalled.

Comment

The DS switch field needs to be uninstalled.

Contact message

The DS switch field needs to be uninstalled.

File

The DS switch field needs to be uninstalled.

Content

The DS switch field needs to be uninstalled.

Shortcut link

The DS switch field needs to be uninstalled.

Taxonomy term

The DS switch field needs to be uninstalled.

User

The DS switch field needs to be uninstalled.

Custom menu link

The DS switch field needs to be uninstalled.

A cursory look suggests otherwise the site is running normally. What is this error and how can I fix it, please?

Thank you.

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/21/feed