diff options
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/4_2_release_notes.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/guides/source/4_2_release_notes.md b/guides/source/4_2_release_notes.md index 6a847c3087..dd484ccee2 100644 --- a/guides/source/4_2_release_notes.md +++ b/guides/source/4_2_release_notes.md @@ -201,6 +201,12 @@ for detailed changes. ([Commit](https://github.com/rails/rails/commit/91949e48cf41af9f3e4ffba3e5eecf9b0a08bfc3)) +* Deprecated broken support for automatic detection of counter caches on + `has_many :through` associations. You should instead manually specify the + counter cache on the `has_many` and `belongs_to` associations for the through + records. + ([Pull Request](https://github.com/rails/rails/pull/15754)) + ### Notable changes * Added support for `#pretty_print` in `ActiveRecord::Base` objects. |