Jumbled messages from Copilot in a JetBrains IDE

[ArianeBouchardConformit]

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Bug

Copilot Feature Area

JetBrains & Xcode

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I'm using Copilot in WebStorm, and sometimes it gives me completely jumbled responses. Plus, when I resize the window, codeblocks are broken and double-rendered.

This first message was fine before I resized the window, but when I enlarged it in hopes of getting a better screenshot, the codeblocks broke:

This second message was completely jumbled from the start. It's like it's not getting the text chunks in the right order.

[github-actions[bot]]

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[zaiddabaeen]

It's really hard to understand what copilot is saying. This is while using Claude Opus 4.6