Changelog 2.298 (#4416)

Co-authored-by: Mark Waite <mark.earl.waite@gmail.com>
Co-authored-by: Oleg Nenashev <o.v.nenashev@gmail.com>

content/_data/changelogs/weekly.yml

@@ -11355,6 +11355,31 @@
   # pull: 5551 (PR title: Bump matrix-project from 1.18 to 1.19)
   # pull: 5554 (PR title: Bump parent POM from 1.63 to 1.64)
 
+- version: '2.298'
+  date: 2021-06-15
+  changes:
+  - type: rfe
+    category: rfe
+    pull: 5556
+    authors:
+    - jglick
+    message: |-
+      Document REST methods to mark an (agent) node temporarily offline and related tasks.
+  - type: rfe
+    category: rfe
+    pull: 5555
+    authors:
+    - Wadeck
+    message: |-
+      Add <code>X-Frame-Options</code> header to AJAX responses.
+
+  # pull: 5514 (PR title: [JENKINS-60866] Clean up build button column JS)
+  # pull: 5519 (PR title: Fix violations of a handful of Error Prone checks)
+  # pull: 5552 (PR title: Remove duplicate AOP classes in classpath)
+  # pull: 5553 (PR title: Prefer `ArrayList` and `ArrayDeque` to `LinkedList`)
+  # pull: 5559 (PR title: Remove StAX from WAR)
+  # pull: 5564 (PR title: Upgrade ATH to version that uses https for artifactory)
+
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