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Condition Validator's tab appear only in selected projects. If nothing selected then Condition Validator will be visible in ALL projects.
Hint Button
This is our answer to JIRA users question "Why I can't see this action on this issue, I've seen it before, believe me". Even if you have Conditions Validator (version under 2.0.0) the user's question is still actual. Many of them don't know about Conditions Validator Tab so they couldn't check it themselves. With new version comming hint (see first screen) for users presents along with workflow steps. This hint can dispaly custom text by setting it in Plugin Administration site (see second screenshot). After click on hint Conditions Validator Tab will show to user.
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