Thank you for your feedback.
We have seen such behaviour before. It is caused by two or more extensions trying to do a smart complete.
For example if you have JustCode and Productivity Power Tools at the same time - this could cause the issue, since both of them are trying to complete the opening bracket.
If this is your case, I would simply advise you to turn off the smart complete feature(it's called typing assistance in JustCode) in one of the products so that they do not interfere with each other.
If you do not have any other extensions, it would be highly appreciated if you could send me some steps to try to reproduce your issue.
Thank you for your help!
All the best,
the Telerik team
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