Steps to reproduce

powershell-6.0.0-alpha.10.pkg installed
powershell 6.0.0-alpha.11.pkg throws an error in OSX "Can't be opened because it is from an unidentified developer"

Any idea whats up?

Get info on file->More info (v11)
https://github-cloud.s3.amazonaws.com/releases/49609581/c5411474-94a8-11e6-9347-ae720ca948f7.pkg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAISTNZFOVBIJMK3TQ%2F20161027%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20161027T161300Z&X-Amz-Expires=300&X-Amz-Signature=85f2f9797c692e4a08e2544251832141c5e261cfb79caed2526cdea76f629285&X-Amz-SignedHeaders=host&actor_id=334880&response-content-disposition=attachment%3B%20filename%3Dpowershell-6.0.0-alpha.11.pkg&response-content-type=application%2Foctet-stream, https://github.com/PowerShell/PowerShell

Get info on file->More info (v10)
https://github-cloud.s3.amazonaws.com/releases/49609581/599e7630-7b71-11e6-9a42-cd3e6716e048.pkg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAISTNZFOVBIJMK3TQ%2F20161004%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20161004T183705Z&X-Amz-Expires=300&X-Amz-Signature=3db37143cd88cb0bcb5032b294e0d49bee8240a0b0294d861faf4013bf5722c1&X-Amz-SignedHeaders=host&actor_id=334880&response-content-disposition=attachment%3B%20filename%3Dpowershell-6.0.0-alpha.10.pkg&response-content-type=application%2Foctet-stream, https://github.com/PowerShell/PowerShell

Expected behavior

Actual behavior

Environment data

> $PSVersionTable