Microsoft says Flight Simulator, which will be updated after 13 years and available as part of Xbox Game Pass in 2020, will support third-party content (Jordan Novet/CNBC)

Jordan Novet / CNBC:
Microsoft says Flight Simulator, which will be updated after 13 years and available as part of Xbox Game Pass in 2020, will support third-party content  —  KEY POINTS  — Microsoft says it will support third-party content, but some developers weren't told about the update in advance.