Strange outline against the sky with foliage in 4.15 and MSAA

Just tried 4.15 because I was eagerly awaiting the ‘alpha to coverage’ implementation for msaa in the forward renderer, which was missing in 4.14. It works nice - all the aliasing is gone but now I have some strange blue outline around the branches when I look into the sky. please help!

Hi,

There’s an answer here: https://answers.unrealengine.com/questions/556469/415-p2-msaa-and-alpha2coverage-problem.html