A tab for dms to see what players change

There should be a tab to see what players change and be able to undo changes on a sheet, as in if a player gets salty and completely clears every sheet he can there should be a way for the gm to fix that. 

That is a neat suggestion. An in-game changelog. I can see situations where that would be useful, to reverse (or just to monitor!) what is changed on character sheet slots by the Player(s) who have Control of each Sheet. Mod Note: if it really ever gets as serious as a 'salty' player clearing every sheet, that would be something that you could report to the Roll20 Team as a potential violation of the site's Code of Conduct. Pro Note: if it's really a 'roll back every sheet' situation, then you might want to look into Roll20 Subscriptions which allow Pro users to Roll Back your game to a previous day, undoing all recent changes. Wiki docs, <a href="https://wiki.roll20.net/Game_Management#Roll_Back_Game" rel="nofollow">https://wiki.roll20.net/Game_Management#Roll_Back_Game</a> Other measures: Keeping a backup of your Characters in the Character Vault, or using Copy Game to backup your entire game, are also available precautionary measures. Wiki docs, <a href="https://wiki.roll20.net/My_Vault#Character_Vault" rel="nofollow">https://wiki.roll20.net/My_Vault#Character_Vault</a> <a href="https://wiki.roll20.net/Game_Management#Copy_Game" rel="nofollow">https://wiki.roll20.net/Game_Management#Copy_Game</a> Your Suggestion is still valid alongside the above methods or workarounds, since of course these aren't a change-log or alert or line-item undo button, but rather just a "restore everything" if you know you need to.

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