Salesforce Collision Detection is a productivity chrome extension. it's a free extension , it has 63 active users since released its first version, it earns an average rating of 0.00 from 0 rated user, last update is 2510 days ago.
(Classic only, does not currently work with the lightning interface.) A quick usability workaround for those frustrated by Salesforce's inline edit collision detection error: "The record you were editing was modified by {username} during your edit session." This extension automatically captures the intended save request, and simply forwards it to an edit page to avoid any lost data or annoying, unnecessary copying and pasting of information. Yay! Note: Any conflicting changes across any fields that both you and the background user/ process have made will always be overwritten by your changes.
You could download the latest version crx file or older version files and install it.
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You could find more help information from salesforce collision detection support page.
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