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All good points. Java 8 has captured a lot of things that people were missing, and new languages have sprung up that have tried to strike a good balance between terseness and complexity, with Kotlin currently being the new hotness in the JVM. Scala was in the right place at the right time, but its features lack orthoginality and coherency.

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Which non-orthogonal and/or incoherent features do you have in mind?

I get this feeling when looking at the OO and functional styles continuously clashing. Implicit classes make some reasoning about functionality non-local. There's a horrendous amount of complexity in the OO side: case classes, traits, mixins, and a complex type hierarchy to boot.

Most languages just don't have that many features, and you could take different, non-overlapping subsets of features have something that could have an idiomatic style of its own and is good enough to solve most problems tersely.

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