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What happened to :delegated, :cached, :ro and other flags?

These flags were mostly used to improve mounted volume performance on macOS but they disappeared from the official documentation and I can’t seem to find why.

Were they made redundant?

To anyone winding up here with the same question: it seems that the new gRPC-FUSE backend made these flags redundant.

In other words, if gRPC-FUSE is currently enabled (in the experimental features section of the Docker settings at the time of writing), you don’t need those flags anymore.

See this GitHub issue.