The phrase "official renderings" refers to approved and authorized visual representations or designs of something, usually created by professionals for official use. Full definition
The only noticeable difference with these new photos of the handset is that it looks like official renders for marketing materials. (ibtimes.com)
A supposedly official render depicting what's said to be the same device surfaced on the World Wide Web just yesterday, showing identical features. (androidheadlines.com)
With these almost official renders, we'd say the handset launch is clearly on the card. (themrphone.com)