Blizzard just pushed the first encrypted Patch 10.1 build to the WoW Dev branch on the CDN.
(us) BuildConfig: 5c63d85 → d431659!
(us) CDNConfig: 2beb729 → f017948!
(us) BuildId: 48200 → 48452!
(us) VersionsName: 10.0.7.48200 → 10.1.0.48452!
Earlier today, the first major content patch of Dragonflight received its own category on the launcher. We’re currently waiting on Blizzard to announce the Patch 10.0.7 launch date, you can find more details here.