vercel / vercel/hyper

Pixels showing up on the left side of the terminal when #'s are scrolled

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#8,038 3 comments 0 reactions 0 assignees View on GitHub

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Dominant language
TypeScript
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Description

Running macos 14.6.1 (23G93)
Brand new hyper install, running with zsh, but nothing else (no oh-my-zsh). No plugins, default hyper.json, error persists across all displays.

Strange pixels appear on the left when scrolling. It ONLY seems to happen when # characters are scrolled on the screen. I tested with other characters and the issue does not happen. Also, it only happens when the # characters are on the very left of the screen. If they are spaced over to the right at all, it does not happen.
glitch

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Research direction

Reproduce the glitch on macOS 14.6.1 using a default Hyper install with zsh, focusing on scrolling lines beginning with #. Compare that behavior with other characters and positions; done means the pixels no longer appear on the left side while scrolling.

Written by the indexing model from the issue text.

Assessment

Tech stack
macos, typescript
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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