With our newly created innuOS Feedback Zone we are now adding the new innuOS 2.0 release notes and changelogs there so feel free to find them at the respective section innuOS Feedback Zone: Changelog.
If you are looking for the older innuOS 1.x release notes you may still find them on this section of our Knowledge Base > More Resources > innuOS 1.x > innuOS 1.x Release Notes.