[Starlingx-discuss] the version of 20190111T060000Z not found in official web

[He, Zhiwei]

Hi expert,
I want to download  a starlingx image with version of  "20190111T060000Z", because this version has pass sanity test.
Like the below link,
"http://mirror.starlingx.cengn.ca/mirror/starlingx/master/centos/20190111T060000Z/outputs/iso/"

but it seem the  version" 20190111T060000Z" just keep 1 month on the  official web,
question 1 : how to download historic version ?
question 2: which stable version can be recommend to customer?  Or the stable version can be keep in official web?
Thanks!
zhiwei
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