![Missing border radius on input group with validation feedback · Issue #25110 · twbs/bootstrap · GitHub Missing border radius on input group with validation feedback · Issue #25110 · twbs/bootstrap · GitHub](https://user-images.githubusercontent.com/23639869/34426369-e70a858c-ec35-11e7-86f4-f178276e1f6e.png)
Missing border radius on input group with validation feedback · Issue #25110 · twbs/bootstrap · GitHub
invalid-feedback` should be inside `input-group` · Issue #417 · bootstrap-ruby/bootstrap_form · GitHub
![invalid-feedback doesn't show for .input-group with an invalid control · Issue #23454 · twbs/bootstrap · GitHub invalid-feedback doesn't show for .input-group with an invalid control · Issue #23454 · twbs/bootstrap · GitHub](https://user-images.githubusercontent.com/98681/77345305-aaff5600-6cf1-11ea-8cff-136883f5ae11.png)
invalid-feedback doesn't show for .input-group with an invalid control · Issue #23454 · twbs/bootstrap · GitHub
![invalid-feedback doesn't show for .input-group with an invalid control · Issue #23454 · twbs/bootstrap · GitHub invalid-feedback doesn't show for .input-group with an invalid control · Issue #23454 · twbs/bootstrap · GitHub](https://user-images.githubusercontent.com/46113191/82724226-e2c85100-9cd4-11ea-92ca-7e12228e1ca3.png)