Merge pull request Azure#2374 from Azure/begoldsm-patch-1

ADL change notes for this powershell release.

Update ChangeLog.md

Update ChangeLog.md

Merge pull request Azure#2055 from hovsepm/Compute.1.2.6

[Compute 1.2.6-Hotfix] Bumping up Compute module versions.

Update ChangeLog.md

Update ChangeLog.md

Nightly build from CLU branch

Nightly build from CLU branch

Nightly build from CLU branch

Nightly build from CLU branch