**What version of Sass Lint are you using?** 1.13.1 **Please include any relevant parts of your configuration** ```yml rules: no-misspelled-properties: 1 ... ``` **What did you do? Please include the actual source code causing the issue.** Added property `text-decoration-thickness`. **What did you expect to happen?** The property shouldn't have been marked as misspelled. **What actually happened? Please include any error messages given to you by Sass Lint.** It was marked as misspelled. **If you're using a IDE plugin have you tried the CLI too?** Yes. --- Property reference: https://developer.mozilla.org/en-US/docs/Web/CSS/text-decoration-thickness