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reardonj
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Nov 10, 2026
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| # Common issues | ||
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| The Cats type class instances for standard library types are available in implicit scope and hence no longer have to be imported. If anything doesn't compile as expected, first make sure all the required Cats syntax implicits are in the scope — try importing ```cats.syntax.all._``` and see if the problem persists. The only exception is here is Cat's own ```Order``` and ```PartialOrder``` type classes which are available by importing ```cats.implicits._```. |
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I removed this sentence about Order and PartialOrder, as my understanding is the normal way to import these would be to just import cats.Order / cats.PartialOrder these days.
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I don't see any reason why this change should cause the native build to fail, but I don't have a system to reproduce :/ |
satorg
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November 11, 2026 03:09
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Tests in ScalaNative are flaky – it's a known yet very annoying issue. |
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There are a lot of random code snippets and documentation that still suggests importing
cats.implicits._instead ofcats.syntax.all._. This PR updates all of those. This was done as a straightforward search and replace.I did skip changing the scalafix rules and old changelog entries to preserve historical accuracy, so there are still some usages, but there should be nothing left to point users at the old ways.