Happeo is an established intranet software company, and updates.happeo.com is their changelog and newsfeed page. So if you're wondering 'is updates.happeo.com a scam', the short answer is no — it's a real subdomain tied to a known business. But because it's a separate subdomain with no Wayback Machine history and no contact information on the page itself, it doesn't carry the same weight as the main Happeo site.
What a legitimate business changelog should look like: a clear link back to the parent company's contact info and social media, and some history to show it's been maintained over time. This site is mostly there — it has privacy terms and an about page — but the missing contact and newness are worth noting. If you're just reading product updates, you have little to worry about. For anything involving account actions, stick to the main happeo.com domain.
Overall, updates.happeo.com reviews are not widely available, but the signals point to a legitimate corporate subdomain that's still building its presence. Use normal caution.