Attempt to solve issues such as
https://gitlab.com/gitlab-org/gitlab-ce/issues/60953.

Add email clarification

See merge request gitlab-org/gitlab-ce!27645

Add clarification on namespace creation

See merge request gitlab-org/gitlab-ce!27772

deploy board docs: correct "node" to "pod"

See merge request gitlab-org/gitlab-ee!11444

fix include example

See merge request gitlab-org/gitlab-ce!27571

Docs: Environments Documentation review

See merge request gitlab-org/gitlab-ce!27215

Docs: (EE Port) Environments Documentation review

See merge request gitlab-org/gitlab-ee!10710

Merge branch 'docs/60785-docs-feedback-masked-variables-is-not-clear-what-unescaped-characters-means' into 'master'

Clarify masked variables docs

Closes #60785

See merge request gitlab-org/gitlab-ce!27580

- Add note that must contain only letters, numbers, underscore
- Add example of escape characters
- Add regex used for validation

closes https://gitlab.com/gitlab-org/gitlab-ce/issues/60785

Resolve "Masked Variable still printed in log output on gitlab.com"

Closes #60945

See merge request gitlab-org/gitlab-ce!27768

Create dashboards endpoint & setup dashboard post-processing

Closes #60383

See merge request gitlab-org/gitlab-ce!27405

Ports gitlab-ce#27405 to EE + handling for PrometheusAlerts

See merge request gitlab-org/gitlab-ee!11141

Refactor quarantine helper

See merge request gitlab-org/gitlab-ce!27766

Admin instance level settings for pages Let's Encrypt

See merge request gitlab-org/gitlab-ce!27361

Store Let's Encrypt account email in application settings
Also add explicit terms of service consent

Add Let's Encrypt application settings

See merge request gitlab-org/gitlab-ee!11588

Geo: Document how our Git push proxy works

Closes #10579

See merge request gitlab-org/gitlab-ee!10518

Deployment Chat Notifications

See merge request gitlab-org/gitlab-ce!27338

This enables sending a chat message to Slack or Mattermost
  upon a successful, failed, or canceled deployment

Port of issue-42692-deployment-chat-notifications to EE

See merge request gitlab-org/gitlab-ee!11693

This enables sending a chat message to Slack or Mattermost
  upon a successful, failed, or canceled deployment
Port of merge request gitlab-org/gitlab-ce!27338

Add rollout type to variables list.

See merge request gitlab-org/gitlab-ce!27757

Prevent text selection when dragging in issue boards

Closes #59378

See merge request gitlab-org/gitlab-ce!27724