claude-code - 💡(How to fix) Fix Project list renders blank space at top, items disappear on scroll (scheduled tasks) [1 participants]

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anthropics/claude-code#46400Fetched 2026-04-11 06:21:18
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Bug Description

The scheduled tasks list in Claude Code Desktop (Code tab) renders a large blank space at the top of the list. When scrolling, some task cards disappear and the list is not fully visible.

Steps to Reproduce

  1. Have 15+ scheduled tasks (mix of local and remote)
  2. Open the Code tab → "Tous les projets" (All projects) view
  3. Scroll through the task list

Observed Behavior

  • Large blank/white area at the top of the list before the first task card
  • When scrolling, some task cards disappear entirely — only 2 of 15+ tasks visible at times
  • Reducing the number of active tasks (from 13 to 7) shrinks the blank area but does not eliminate it
  • Resizing the window does not fix it
  • Hard refresh / app restart does not fix it

Environment

  • Claude Code Desktop (macOS)
  • macOS 26 (Darwin 25.3.0)
  • MacBook Pro 16" 2019, Intel Core i9
  • Mix of local + remote ("Rive") scheduled tasks

Likely Cause

Virtualized list component miscalculating row heights or total container height when rendering scheduled task cards. The correlation between task count and blank space size supports this.

extent analysis

TL;DR

  • Adjusting the virtualized list component to accurately calculate row heights or total container height may resolve the issue with the scheduled tasks list rendering.

Guidance

  • Verify that the virtualized list component is correctly calculating the height of each task card, considering any potential padding or margin that may be affecting the calculation.
  • Check if there are any CSS styles or layout properties that could be causing the task cards to disappear when scrolling, such as overflow: hidden or display: none.
  • Test the scheduled tasks list with a smaller number of tasks to see if the issue persists, and if the blank area at the top of the list changes size.
  • Consider adding debug logging or console output to the virtualized list component to track the calculated row heights and container height.

Example

  • No code snippet can be provided without more information about the implementation of the virtualized list component.

Notes

  • The issue may be specific to the Claude Code Desktop application on macOS, and may not be reproducible on other platforms.
  • The correlation between task count and blank space size suggests that the issue is related to the rendering of the task cards, but further investigation is needed to determine the root cause.

Recommendation

  • Apply workaround: Adjust the virtualized list component to accurately calculate row heights or total container height, as this is the most likely cause of the issue and may resolve the problem without requiring a full upgrade or rewrite of the application.

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claude-code - 💡(How to fix) Fix Project list renders blank space at top, items disappear on scroll (scheduled tasks) [1 participants]