Pre-release checks on RD

These are the checks that needs to be done the RD (Release Date), before theRT (Release Time):

• Mail to marketing and Community management confirming release (done)
• Release announcement links: web version (done)
• Release announcement links: mail version (done)
• Download page links (done)
• Feature page links (done)
• Download files to make sure download server is working. (done)
• Release announcement typos: both mail and web (done)
• Social media announcements for RT (Release time) links. (done)
• Social media announcements for RT (Release time) typos. (done)
• Download & run instructions: links (done)
• Build from scratch instructions: links (done)
• Landing page: links