guides, sync railties and AP changelogs with 5.0 release notes.

[ci skip]

This updates the 5.0 release notes guide to reflect changes that
happened after beta1 has been released.

I'll sync the other changelogs later today but I'll push this batch to
prevent against cumbersome merge conflicts.

3 files changed, 43 insertions, 13 deletions

diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 61c608972c..e8a29f5182 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,7 +1,7 @@
 *   When a `respond_to` collector with a block doesn't have a response, then
     a `:no_content` response should be rendered.  This brings the default
     rendering behavior introduced by https://github.com/rails/rails/issues/19036
-    to controller methods employing `respond_to`
+    to controller methods employing `respond_to`.
 
     *Justin Coyne*
 
@@ -30,10 +30,10 @@
 
     First, if a template exists for the controller action, it is rendered.
     This template lookup takes into account the action name, locales, format,
-    variant, template handlers, etc. (see +render+ for details).
+    variant, template handlers, etc. (see `render` for details).
 
     Second, if other templates exist for the controller action but is not in
-    the right format (or variant, etc.), an <tt>ActionController::UnknownFormat</tt>
+    the right format (or variant, etc.), an `ActionController::UnknownFormat`
     is raised. The list of available templates is assumed to be a complete
     enumeration of all the possible formats (or variants, etc.); that is,
     having only HTML and JSON templates indicate that the controller action is
@@ -42,7 +42,7 @@
     Third, if the current request is an "interactive" browser request (the user
     navigated here by entering the URL in the address bar, submiting a form,
     clicking on a link, etc. as opposed to an XHR or non-browser API request),
-    <tt>ActionView::UnknownFormat</tt> is raised to display a helpful error
+    `ActionView::UnknownFormat` is raised to display a helpful error
     message.
 
     Finally, it falls back to the same "204 No Content" behavior as API controllers.
@@ -51,7 +51,7 @@
 
 ## Rails 5.0.0.beta3 (February 24, 2016) ##
 
-*   Add application/gzip as a default mime type.
+*   Add "application/gzip" as a default mime type.
 
     *Mehmet Emin İNAÇ*
 
@@ -102,7 +102,7 @@
 
     *Kasper Timm Hansen*
 
-*   Add image/svg+xml as a default mime type.
+*   Add "image/svg+xml" as a default mime type.
 
     *DHH*
 
@@ -115,7 +115,7 @@
 
     See #18902.
 
-    *Anton Davydov* & *Vipul A M*
+    *Anton Davydov*, *Vipul A M*
 
 *   Response etags to always be weak: Prefixes 'W/' to value returned by
    `ActionDispatch::Http::Cache::Response#etag=`, such that etags set in
@@ -147,11 +147,7 @@
 
 *   Add option for per-form CSRF tokens.
 
-    *Greg Ose & Ben Toews*
-
-*   Add tests and documentation for `ActionController::Renderers::use_renderers`.
-
-    *Benjamin Fleischer*
+    *Greg Ose*, *Ben Toews*
 
 *   Fix `ActionController::Parameters#convert_parameters_to_hashes` to return filtered
     or unfiltered values based on from where it is called, `to_h` or `to_unsafe_h`
diff --git a/guides/source/5_0_release_notes.md b/guides/source/5_0_release_notes.md
index 8f664d4215..9e96982337 100644
--- a/guides/source/5_0_release_notes.md
+++ b/guides/source/5_0_release_notes.md
@@ -94,6 +94,10 @@ Please refer to the [Changelog][railties] for detailed changes.
 *   Deprecated `config.serve_static_files` in favor of `config.public_file_server.enabled`.
     ([Pull Request](https://github.com/rails/rails/pull/22173))
 
+*   Deprecated the tasks in the `rails` task namespace in favor of the `app` namespace.
+    (e.g. `rails:update` and `rails:template` tasks is renamed to `app:update` and `app:template`.)
+    ([Pull Request](https://github.com/rails/rails/pull/23439))
+
 ### Notable changes
 
 *   Added Rails test runner `bin/rails test`.
@@ -120,6 +124,23 @@ Please refer to the [Changelog][railties] for detailed changes.
     ([Pull Request](https://github.com/rails/rails/pull/22457),
      [Pull Request](https://github.com/rails/rails/pull/22288))
 
+*   New applications are generated with the evented file system monitor enabled
+    on Linux and Mac OS X. The feature can be opted out by passing
+    `--skip-listen` to the generator.
+    ([commit](https://github.com/rails/rails/commit/de6ad5665d2679944a9ee9407826ba88395a1003),
+    [commit](https://github.com/rails/rails/commit/94dbc48887bf39c241ee2ce1741ee680d773f202))
+
+*   Generate applications with an option to log to STDOUT in production
+    using the environment variable `RAILS_LOG_TO_STDOUT`.
+    ([Pull Request](https://github.com/rails/rails/pull/23734))
+
+*   Enable HSTS with IncludeSudomains header for new applications.
+    ([Pull Request](https://github.com/rails/rails/pull/23852))
+
+*   The application generator writes a new file `config/spring.rb`, which tells
+    Spring to watch additional common files.
+    ([commit](https://github.com/rails/rails/commit/b04d07337fd7bc17e88500e9d6bcd361885a45f8))
+
 
 Action Pack
 -----------
@@ -262,6 +283,17 @@ Please refer to the [Changelog][action-pack] for detailed changes.
     (Pull Request [1](https://github.com/rails/rails/pull/19377),
     [2](https://github.com/rails/rails/pull/23827))
 
+*   Added an option for per-form CSRF tokens.
+    ([Pull Request](https://github.com/rails/rails/pull/22275))
+
+*   Added request encoding and response parsing to integration tests.
+    ([Pull Request](https://github.com/rails/rails/pull/21671))
+
+*   Update default rendering policies when the controller action did
+    not explicitly indicate a response.
+    ([Pull Request](https://github.com/rails/rails/pull/23827))
+
+
 Action View
 -------------
 
diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md
index a4eaf0ab0f..7193238e83 100644
--- a/railties/CHANGELOG.md
+++ b/railties/CHANGELOG.md
@@ -42,7 +42,9 @@
 
     *Xavier Noria*
 
-*   Add dummy files for apple-touch-icon.png and apple-touch-icon.png. GH#23427
+*   Add dummy files for apple-touch-icon.png and apple-touch-icon.png.
+
+    See #23427.
 
     *Alexey Zabelin*