There's something wrong here. When I hit: https://github.com/oker1/phpunit_codecoverage_display I see this, pretty ancient page:

However, hitting "releases" lists "1.0.0" and same when you check "commits". How can I download 1.0.0's JAR? JetBrains repo lists 0.5.0 as the latest available version. https://plugins.jetbrains.com/plugin/6167