Hello,
Current setup:
What is the minimal version of sonar-for-bibucket to get the PR decoration ?
I suspect the "PR Decoration" feature you're referring to is officially called "Code Insights".
Bitbucket Server 5.15 is the minimum version for that.
More information here about "Code Insights":
https://confluence.atlassian.com/bitbucketserver/code-insights-966660485.html