v17.6.1

What's Changed

• Let callers choose where item previews come from by @KevinJump in #1192
• Preview with the handler set the import uses by @KevinJump in #1193
• Let callers set the preview's side headlines by @KevinJump in #1194
• Source on the left and side colours in the item previews by @KevinJump in #1195

Full Changelog: v17.6.0...v17.6.1