As announced last month, today marks the beginning of callback URL whitelisting enforcement. Apps using Sign in with Twitter who have not whitelisted their URLs will experience disruption. To whitelist your URLs, follow the guidance in our May forum post.https://twittercommunity.com/t/action-required-sign-in-with-twitter-users-must-whitelist-callback-urls/105342 …
european union sux and so you do. you made ppl break friendships and relations due to your new privacy policy. your suspending/ban bot is worth nothing. you made me break up a friendship i was caring a lot about. i wish the same will happen to all of you. but in real. yw to ban