The 8.2.1 release will be the second major release in the GHC 8 series.
See also Status/GHC-8.2.1 for more details.
Migration Guide: Migration/8.2
This release will likely never exist.
Tickets for which a solution would involve solving an open research problem
Tickets that have been triaged, but we don't plan to fix them for a particular release. This might be because the bug is low priority, or is simply too hard to fix right now.