sync deprecations and removals with 4.2 release notes. [ci skip]

Noticed that there was no section about Action View and added the heading.
Notable changes need to be compiled.

/cc @chancancode @zzak

1 files changed, 26 insertions, 0 deletions

diff --git a/guides/source/4_2_release_notes.md b/guides/source/4_2_release_notes.md
index ba0a1e2273..6a847c3087 100644
--- a/guides/source/4_2_release_notes.md
+++ b/guides/source/4_2_release_notes.md
@@ -115,6 +115,27 @@ for detailed changes.
   ([Pull Request](https://github.com/rails/rails/pull/14280))
 
 
+Action View
+-------------
+
+Please refer to the
+[Changelog](https://github.com/rails/rails/blob/4-2-stable/actionview/CHANGELOG.md)
+for detailed changes.
+
+### Deprecations
+
+* Deprecated `AbstractController::Base.parent_prefixes`.
+  Override `AbstractController::Base.local_prefixes` when you want to change
+  where to find views.
+  ([Pull Request](https://github.com/rails/rails/pull/15026))
+
+* Deprecated `ActionView::Digestor#digest(name, format, finder, options = {})`,
+  arguments should be passed as a hash instead.
+  ([Pull Request](https://github.com/rails/rails/pull/14243))
+
+### Notable changes
+
+
 Action Mailer
 -------------
 
@@ -217,6 +238,11 @@ Please refer to the
 [Changelog](https://github.com/rails/rails/blob/4-2-stable/activemodel/CHANGELOG.md)
 for detailed changes.
 
+### Removals
+
+* Removed deprecated `Validator#setup` without replacement.
+  ([Pull Request](https://github.com/rails/rails/pull/15617))
+
 ### Notable changes
 
 * Introduced `#validate` as an alias for `#valid?`.