1 files changed, 21 insertions, 0 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 1982811500..1863eec947 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,24 @@
+*   Add `DateTime#usec` and `DateTime#nsec` so that `ActiveSupport::TimeWithZone` keeps
+    sub-second resolution when wrapping a `DateTime` value.
+    Fixes #10855
+
+    *Andrew White*
+
+*   Fix `ActiveSupport::Dependencies::Loadable#load_dependency` calling
+    `#blame_file!` on Exceptions that do not have the Blamable mixin
+
+    *Andrew Kreiling*
+
+*   Override `Time.at` to support the passing of Time-like values when called with a single argument.
+
+    *Andrew White*
+
+*   Prevent side effects to hashes inside arrays when
+    `Hash#with_indifferent_access` is called.
+    Fixes #10526
+
+    *Yves Senn*
+
 *   Raise an error when multiple `included` blocks are defined for a Concern.
     The old behavior would silently discard previously defined blocks, running
     only the last one.