The diagram from jira shows that from 16.08.2019 there are not a lot of activities in Jira for Mac. - https://jira.atlassian.com/secure/RapidBoard.jspa?rapidView=486&projectKey=SRCTREE&view=reporting&chart=cumulativeFlowDiagram&swimlane=1456&swimlane=2131&swimlane=1526&swimlane=1457&column=2044&column=2045&column=2046
Does it mean Atlassian stopped developing SourceTree for Mac?
SourceTree to open source?
Guys at Atlassian, Do it.