My code here lags out the entire screen and doesn’t work. The screen initially appears and then disappears.
What can I do to add a new line?
Hi mudit.goel9p5xmx, welcome to Thunkable! 
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This is a current known issue with the Rich Text component. A fix for it should be out later this week. Thanks for your patience!
As workaround, you could remove new line block and use a text block with this inside: \n