Broken autocomplete in Xcode 26

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Created 8h

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Xcode 16 and 26 changes in painful way how the Tab key works during autocomplete.

Previously, pressing Tab would extend the typed text up to the word match. For example, we have two classes: NSViewController and NSViewCoordinator BEFORE, typing: "NSV" + Tab used to complete to NSViewCo

Now, in Xcode 26, pressing Tab just use the first suggestion. Stupidly. Especially when you want DispatchQueue and it gaves you DispatchSemaphore…

That is very inconvenient because very often I want just see all possible cases with some prefix...without need of typing all prefix manually.

How to restore the previous behavior? How to do autocomplete word-by-word?

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Answer 1

DTS Engineer OP

Apple

6h

Thanks for the post, there isn’t a bug on autocomplete that I am aware of and many versions of Xcode 26.+ have been released. Interesting does not work for you, but could be because the improvements? I know there are always improvements in autocomplete.

Just to make sure when you press Up/Down to scroll through the full list of completions what do you see? still gives you access to the full list without forcibly accepting the first match? If you type part of a name (e.g., NSV) and pause, you can hit Control + Space to bring up the explicit suggestion list, does this work?

Can you check Go to Xcode → Settings → Editing → Completion and can you provide me a screenshot of what you have there?

Thanks,

Albert Pascual   Worldwide Developer Relations.

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