Comment out the requested sections

_data/nav.yml

@@ -545,5 +545,5 @@
   - url: "#Technology preview"
   - url: "#Removed & deprecated features"
   - url: "#Known issues"
-  - url: "#Bug fixes"
+ # - url: "#Bug fixes"
 

_includes/release-notes/known-issues.md

@@ -3,7 +3,7 @@ This section describes issues that users of TinyMCE 5.0 may encounter, as well a
 
 [Track developer preview issues on GitHub](https://github.com/tinymce/tinymce/labels/dev%20preview)
 
-### Customer reported known and fixed issues
+<!--### Customer reported known and fixed issues
 
 #### TinyMCE 5 kills page responsiveness on Chrome
 
@@ -45,6 +45,6 @@ The following issues were reported in the current TinyMCE UI:
 * In the current version, autocorrect does not announce when a word changes.
 * In the current version, spelling highlights do not have an attribute `aria-invalid="spelling"` for assistive tools to announce when the cursor has entered a misspelled word.
 
-The above issues will be fixed in the future release of TinyMCE.
+The above issues will be fixed in the future release of TinyMCE. -->
 
 

release-notes.md

@@ -25,6 +25,6 @@ keywords: releasenotes newfeatures deleted technologypreview bugfixes knownissue
 
 {% include release-notes/known-issues.md %}
 
-## Bug fixes
+<!--## Bug fixes
 
-{% include release-notes/bugfixes.md %}
+{% include release-notes/bugfixes.md %}-->