What is status of Terrascan project?

[mloskot]

The issue

• Also missing support for TF 1.3.0 optional() with second argument, the attribute default value. #1532

is a blocker for all users who want to keep up to date with Terraform and it's been open unanswered for half a year now.

It's been more than a month since last commit to Terrascan code. In April, Terrascan received just handful of commits.

Is this an indicator Terrascan has become an orphaned project?

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Can anybody help listing alternatives to migrate to?

• Checkov
• tfsec
• ... ?