REPL completion delay

I am occasionally observing a slight delay (around 1/2s) in REPL completion (with TAB) in 1.12.

Is there any way to debug what is going on under the hood? I am using Revise, but I am not sure if it is called just when I try completion.

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Are you using OhMyREPL? For me that was the cause of the delay in 1.12

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No, only Revise and EmacsVterm.

I see the same problem, using the pure Julia 1.12 REPL on Linux. Only sometimes. Could not figure out yet under which conditions.

Also happens to me sometimes but haven’t figured out a cause.