Is there a way to install/emulate an older version of Safari ? (i.e 8)

Question

On OSX: After an update to El Capitan, I found that Safari 9 was installed by default. For software testing purposes, I need to test a web app through Safari 8 (which is still t

Answer 1

Following up on @robmathers's answer, the nightly builds are no longer listed publicly on webkit.org. However, they are still available in the S3 bucket storing them, which you can access via the AWS CLI.

Looking at the trac.webkit.org result, select a reasonable release version prefix for the build you're looking for (say 3 or 4 of the 6 digits), then use the following:

aws s3 ls minified-archives.webkit.org/mac-mojave-x86_64-release/2425 --no-sign-request

This will show you the available builds. You can then download via https://s3-us-west-2.amazonaws.com/minified-archives.webkit.org/mac-mojave-x86_64-release/.zip.