| ⇢ | A | CommentSerializerEventSubscriber added | |
| ⇢ | A | CommentType added | |
| ⇢ | A | CommentFormFactoryTwigExtension added | |
| A | ↛ | CommentTemplateController removed | |
| A | ↛ | ThreadTemplateController removed | |
| A | ↛ | CommentContentNavigationProvider removed | |
| A | ↛ | ThreadContentNavigationProvider removed |