+## When to show a changelog after qutebrowser was upgraded.
+## Type: String
+## Valid values:
+## - major: Show changelog for major upgrades (e.g. v2.0.0 -> v3.0.0).
+## - minor: Show changelog for major and minor upgrades (e.g. v2.0.0 -> v2.1.0).
+## - patch: Show changelog for major, minor and patch upgrades (e.g. v2.0.0 -> v2.0.1).
+## - never: Never show changelog after upgrades.
+c.changelog_after_upgrade = 'patch'
+