Bootstrap/.github/ISSUE_TEMPLATE/bug_report.md

name	about	title	labels	assignees
Bug report	Tell us about a bug you may have identified in Bootstrap.

Before opening:

• Search for duplicate or closed issues
• Validate any HTML to avoid common problems
• Read the contributing guidelines

Bug reports must include:

• Operating system and version (Windows, macOS, Android, iOS)
• Browser and version (Chrome, Firefox, Safari, Microsoft Edge, Opera, Android Browser)
• A reduced test case or suggested fix using CodePen or JS Bin