How to create a new file with a creation date 4 months ago and versions dating back to 3 months before that Mac even existed. All without changing any clocks.
Revisionist
How you can easily move saved versions with a file wherever you want, so preserving those versions, and how faithfully versions are created. Demonstrated with a file of 230 versions.
At the top level of every volume use for normal file storage is a hidden folder containing its version database. Here are details of how it works, and how to solve its problems and get the best from it. Even if you don’t want to use versions.
Without you saving any changes made to a document, Preview saves versions in the macOS versioning system that could prove a great help. Here’s how to use it.
Annotations are complicated. If you’re not careful, hidden annotations can be left in documents and cause embarrassment. And how to recover a PDF that Preview has mutilated.
Updates to Cirrus (iCloud), Revisionist (versions), Spundle (sparse bundles) and T2M2 (Time Machine)
Four updates to popular tools, aimed mainly at compatibility with Tahoe, covering iCloud Drive tests, tools for document versions, creating sparse bundles, and checking your Time Machine backups are working properly.
Although introduced in the same year, versioning and iCloud Drive aren’t integrated. This explains how they work, and how you can transfer versions through iCloud Drive.
The rules for preserving document versions are based on their being associated with the document’s inode number, and on the same volume. Here are the details and a way to preserve them whatever.
It has been built into macOS and many apps over the last 14 years, but must be one of its least used features. How versions can empower your editing of documents.
Convert a document into a folder containing all its saved versions, and unarchive that folder back into a document with all those saved versions. All using drag-and-drop.
The Eclectic Light Company 