SuiteScript 2.1
Is it advisable now to use SuiteScript 2.1? I have many 2.1 scripts developed already since mid year 2019
Probably depends on the scope. Doing local customization for a single entity you work for, might be okay. I would not advise using it on a larger scale as there are plenty of known issues.
what kind of issue?
Yeah, it’s great. Check out this blog post I made about Suitescript 2.1 : https://ursuscode.com/netsuite-tips/suitescript-2-1-features/