[I'm on the Wing team]
Yes, but it's still in early days, you can see our support matrix here: https://www.winglang.io/docs/standard-library/compatibility-...
How do you compete with -- if at all -- with Ballerina lang? https://ballerina.io/
About ballerina, there are similarities to wing, but at a high level it is focused on simplifying networking whereas Winglang is about simplifying the use of cloud services.