The Quality feature was introduced by Twitter to combat trolling and abuse on Twitter, and what it does is that it automatically filters out tweets from users who don't usually interact with or are of low quality, duplicate tweets or automated.
As good as Twitter believes it's algorithm is, sometimes it vould filter tweets that we want to see but luckily you can disable the Quality filter.
All you have to do is the following:
1. Go to the Settings page.
2. Tap on Notifications
3. And uncheck the Quality Filter Box