This document summarizes a meetup event hosted by AWS Bulgaria that covered announcements from re:Invent 2017. Key announcements included new EC2 instance types like M5 and T2 Unlimited, Lambda support for additional languages and deployment options, new databases like Neptune and DynamoDB features, and new managed services like GuardDuty, Systems Manager, IoT offerings, and AppSync. The meetup provided recaps of the re:Invent event and hands-on learning opportunities for various AWS services.