Summary
- Fix staging to use 4.9 as 4.9-I-builds is gone now. (details)
- [RelEng] Preparation for 2018-12 (details)
- [RelEng] Fixed test setup for 2018-12 (details)
- Fixed MarketplaceInfoSerializationTest (details)
- [RelEng] Bump version to 1.7.3 for 2018-12 (details)