Scenario

Paste preserves formatting inconsistently across sources

The same paste pipeline may keep bold from Google Docs but strip it from Notion, or preserve inline styles in Chrome but normalize differently in Safari—clipboard HTML and browser sanitizers vary.

clipboard
Scenario ID
scenario-paste-formatting-preserved-inconsistently

Details

The same paste pipeline may keep bold from Google Docs but strip it from Notion, or preserve inline styles in Chrome but normalize differently in Safariclipboard HTML and browser sanitizers vary.

References

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Variants

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Case OS Device Browser Keyboard Status
ce-0551-paste-formatting-preserved-inconsistently Any Any Desktop or Laptop Any Chrome Latest US draft

Cases

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Edge on Linux (Chromium-based) can differ from Windows Edge for clipboard MIME types, file paste, and integration with Wayland clipboard—paste into contenteditable may drop images or format differently.

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Plain text paste and plaintext-only contenteditable

Rich paste into contenteditable pulls in unwanted HTML; users expect paste-as-plain-text or plaintext-only modes. Browsers differ on clipboard APIs, execCommand, and how NBSP and whitespace survive—breaking layout when editors assume 'plain' means U+0020 only.

2 cases
Tags: paste

Trailing and leading whitespace on paste

Firefox and other browsers may preserve or normalize trailing newlines and spaces differently when pasting plain text—collaborative editors and diffs see unexpected whitespace changes.

1 case

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