Steps to Reproduce:
"sql.intelliSense.lowerCaseSuggestions": trueselect in an open fileAs the title says, setting the sql.intelliSense.lowerCaseSuggestions to true doesn't have any effect, I still get UPPERCASE IntelliSense.
Using the Format Document does make everything lowercase.
Here is a GIF demonstrating the issue (The settings are unsaved because I removed the SQL server password while recording):

@szabolcsx this is a bug in the settings metadata. The setting name is actually mssql.intelliSense.lowerCaseSuggestions. We'll fix this in the next release.
@kburtram thanks for the update! I updated my settings and now it works.
Most helpful comment
@szabolcsx this is a bug in the settings metadata. The setting name is actually
mssql.intelliSense.lowerCaseSuggestions. We'll fix this in the next release.