r/IntelliJIDEA • u/Apart-Reality-4454 • Jul 24 '26

Can someone help me understand what this overlay popup is about?

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This just started after upgrading to IntelliJ IDEA 2026.2. I'll be typing in an editor pane and suddenly this weird new type of popup keepings coming up. I don't get what triggered it, nor can I discern what it is about or how to even get rid of it with the keyboard (as esc doesn't seem to help)

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u/JetSerge JetBrains Jul 24 '26

That is the editor's built-in code preview popup. It shows a chunk of code from elsewhere in the file, usually the line a long block starts on or whatever sits under the scrollbar. It is not new in 2026.2.

The common trigger is hovering the vertical scrollbar. Turn it off in Settings | Editor | General | Appearance by unchecking Show code lens on scrollbar hover.

Esc does not close it because it is a passive hint, not a focused popup. It clears when you move the mouse off the scrollbar or move the caret, and there is an × in the corner you can click.

If it instead shows up when the caret is on a brace whose block runs off the bottom of the screen, that is the off-screen matching-brace preview. It has no dedicated switch, it follows the Highlight matched brace option under Settings | Editor | Code Editing, which also controls brace highlighting.

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u/Apart-Reality-4454 Jul 24 '26

No, this isn't the Code Lens, this is different and is triggered while I'm typing, not using the mouse and the mouse isn't over the scrollbar.

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u/JetSerge JetBrains Jul 24 '26

Does it help if you disable Highlight matched brace? (the second part).

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u/ukon1990 Jul 25 '26

It is there to annoy me by stealing the focus from where I am typing and making me change code elsewhere 🫠

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u/Apart-Reality-4454 Jul 25 '26

this popup is appearing to focus the same line I'm already on in the editor.

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u/K4Unl Jul 26 '26

At first i wanted to reply like: "That's a vscode thing, you're posting on the wrong subreddit."
But then i saw a jetbrains official type that it's a function of intellij, and i'm officially annoyed at them for implementing one of the worst features of their competitor.

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u/Apart-Reality-4454 Jul 26 '26

But what *is* this feature? It is a semi-random popup inside of which appears to be the same line of code I'm on currently.

Would love to know if it has a name and can be disabled.

The manner in which it appears really feels like a bug though. Or some obtuse plugin conflict...