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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
In our company, we've had good experience with sbt-missinglink. It's an sbt plugin made by Scala Center that wraps the MissingLink tool. It solves the problem the linked article describes, but does so in a more fundamental way. Instead of looking at versions of packages, it goes through all the class files and analyses possible "binary" conflicts.
There are still some issues with MissingLink, like that it can't handle Multi-Release JARs (but that's being fixed I write) or that it uses thread-unsafe caches and so it can't be executed in parallel (and so it can take a long time to finish on big projects with many modules). But taken all together I swear by it. It has already saved us from runtime failures after deployment many times (it's easy to get incompatible versions when working on big projects with big number of dependencies). Instead, we get a red build in CI -- just anybody should expect for goodness sake when using a strongly-typed language like Scala.