[FLINK-13727] Build docs with jekyll 4.0.0 (final)

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.10.0
• Fix Version/s: 1.10.0
• Component/s: Documentation
• Labels: pull-request-available
• Assignee: Nico Kruber
• Reporter: Nico Kruber
• Created: 14/Aug/19 21:25
• Updated: 20/Nov/19 12:32
• Resolved: 20/Nov/19 12:32

Description

When Jekyll 4.0.0 is out, we should upgrade to this final version and discontinue using the beta.

When we make this final, we could also follow these official recommendations:

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This version of Jekyll comes with some major changes.

Most notably:

• Our `link` tag now comes with the `relative_url` filter incorporated into it.
  You should no longer prepend `{{ site.baseurl }}` to `{% link foo.md %}`
  For further details: https://github.com/jekyll/jekyll/pull/6727

• Our `post_url` tag now comes with the `relative_url` filter incorporated into it.
  You shouldn't prepend `{{ site.baseurl }}` to `{% post_url 2019-03-27-hello %}`
  For further details: https://github.com/jekyll/jekyll/pull/7589

• Support for deprecated configuration options has been removed. We will no longer
  output a warning and gracefully assign their values to the newer counterparts
  internally.
  -------------------------------------------------------------------------------------

Issue Links

• links to: GitHub Pull Request #10219