One thing I've seen delay migrations is that people keep adding features to v1 during the migration because customers need improvements now. Then you have to ad

One thing I've seen delay migrations is that people keep adding features to v1 during the migration because customers need improvements now. Then you have to add those changes to v2, which delays the migration, then more stuff gets added to v1 because the migration was delayed, etc. Ensuring that doesn't happen by setting the right expectations for stakeholders is important.