Merge branch 'master' into 'api-remove-owned-groups'api-remove-owned-groups

# Conflicts:
#   doc/api/v3_to_v4.md

5 files changed, 27 insertions, 5 deletions

diff --git a/doc/api/v3_to_v4.md b/doc/api/v3_to_v4.md
index b0feb2a0d16..8af041be234 100644
--- a/doc/api/v3_to_v4.md
+++ b/doc/api/v3_to_v4.md
@@ -42,3 +42,4 @@ changes are in V4:
 - Remove `public` param from create and edit actions of projects [!8736](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/8736)
 - Notes do not return deprecated field `upvote` and `downvote` [!9384](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9384)
 - Remove `GET /groups/owned`. Use `GET /groups?owned=true` instead [!9505](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9505)
+- Return 202 with JSON body on async removals on V4 API (DELETE `/projects/:id/repository/merged_branches` and DELETE `/projects/:id`) [!9449](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9449)
\ No newline at end of file
diff --git a/doc/ci/variables/README.md b/doc/ci/variables/README.md
index 8a638ed3df8..620d4744685 100644
--- a/doc/ci/variables/README.md
+++ b/doc/ci/variables/README.md
@@ -148,7 +148,8 @@ available in the build environment. It's the recommended method to use for
 storing things like passwords, secret keys and credentials.
 
 Secret variables can be added by going to your project's
-**Settings ➔ Variables ➔ Add variable**.
+**Settings ➔ CI/CD Pipelines**, then finding the section called
+**Secret Variables**.
 
 Once you set them, they will be available for all subsequent jobs.
 
diff --git a/doc/user/admin_area/settings/continuous_integration.md b/doc/user/admin_area/settings/continuous_integration.md
index b8d24cb2d3b..64df7ee48bd 100644
--- a/doc/user/admin_area/settings/continuous_integration.md
+++ b/doc/user/admin_area/settings/continuous_integration.md
@@ -3,18 +3,38 @@
 ## Maximum artifacts size
 
 The maximum size of the [job artifacts][art-yml] can be set in the Admin area
-of your GitLab instance. The value is in MB and the default is 100MB. Note that
-this setting is set for each job.
+of your GitLab instance. The value is in *MB* and the default is 100MB. Note
+that this setting is set for each job.
 
 1. Go to **Admin area > Settings** (`/admin/application_settings`).
 
     ![Admin area settings button](img/admin_area_settings_button.png)
 
-1. Change the value of the maximum artifacts size (in MB):
+1. Change the value of maximum artifacts size (in MB):
 
     ![Admin area maximum artifacts size](img/admin_area_maximum_artifacts_size.png)
 
 1. Hit **Save** for the changes to take effect.
 
+[art-yml]: ../../../administration/build_artifacts
 
-[art-yml]: ../../../administration/job_artifacts.md
+## Default artifacts expiration
+
+The default expiration time of the [job artifacts][art-yml] can be set in
+the Admin area of your GitLab instance. The syntax of duration is described
+in [artifacts:expire_in][duration-syntax]. The default is `30 days`. Note that
+this setting is set for each job. Set it to 0 if you don't want default
+expiration.
+
+1. Go to **Admin area > Settings** (`/admin/application_settings`).
+
+    ![Admin area settings button](img/admin_area_settings_button.png)
+
+1. Change the value of default expiration time ([syntax][duration-syntax]):
+
+    ![Admin area default artifacts expiration](img/admin_area_default_artifacts_expiration.png)
+
+1. Hit **Save** for the changes to take effect.
+
+[art-yml]: ../../../administration/job_artifacts
+[duration-syntax]: ../../../ci/yaml/README#artifactsexpire_in
diff --git a/doc/user/admin_area/settings/img/admin_area_default_artifacts_expiration.png b/doc/user/admin_area/settings/img/admin_area_default_artifacts_expiration.png
new file mode 100644
index 00000000000..50a86ede56b
--- /dev/null
+++ b/doc/user/admin_area/settings/img/admin_area_default_artifacts_expiration.png
diff --git a/doc/user/admin_area/settings/img/admin_area_maximum_artifacts_size.png b/doc/user/admin_area/settings/img/admin_area_maximum_artifacts_size.png
index b7d6671902a..33fd29e2039 100644
--- a/doc/user/admin_area/settings/img/admin_area_maximum_artifacts_size.png
+++ b/doc/user/admin_area/settings/img/admin_area_maximum_artifacts_size.png