Add enable option for EVC, with default = false #626
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
[Fixes #547]
The EVC is a constant source of confusion for users. It should be
disabled by default with warning messages when different versions of
experiments are used. Users who wants using advanced features of the EVC
would still be able to use it by enabling it.
Making it false by default is a breaking change and may cause issues to
user currently using the EVC. Based on discussion with users there does
not seem to have much usage of the EVC so far so this breaking change
should be relatively harmless. Avoiding further confusion by making it
disabled by default is worth the breaking change.