[2.x] fix: Fix scala-reflect not found problem#8632
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eed3si9n merged 1 commit intosbt:developfrom Jan 26, 2026
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**Problem** We enforce same-version policy for scala-reflect in Scala 2.13. However due to sandwich dependency, the graph can bump scala-library to 3.8.1, which is missing scala-reflect counterpart. **Solution** Drop the same-version policy.
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## Problem We enforce same-version policy for scala-reflect in Scala 2.13. However due to sandwich dependency, the graph can bump scala-library to 3.8.1, which is missing scala-reflect counterpart. ## Solution Drop the same-version policy.
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**Problem** We enforce same-version policy for scala-reflect in Scala 2.13. However due to sandwich dependency, the graph can bump scala-library to 3.8.1, which is missing scala-reflect counterpart. **Solution** Drop the same-version policy.
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Commit 92b0564 (fix for #8632) changed `csrSameVersions` so that Scala 2.13+ only aligned `scala-library` and `scala3-library`. This removed `scala-compiler` and `scala-reflect` from version unification, so transitive dependencies pulling in an older `scala-compiler` (e.g. 2.13.15 via `refined_2.13`) were no longer evicted to match `scalaVersion` (e.g. 2.13.18).
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…bt#8700) Commit 92b0564 (fix for sbt#8632) changed `csrSameVersions` so that Scala 2.13+ only aligned `scala-library` and `scala3-library`. This removed `scala-compiler` and `scala-reflect` from version unification, so transitive dependencies pulling in an older `scala-compiler` (e.g. 2.13.15 via `refined_2.13`) were no longer evicted to match `scalaVersion` (e.g. 2.13.18).
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Fixes #8533
Problem
We enforce same-version policy for scala-reflect in Scala 2.13. However due to sandwich dependency, the graph can bump scala-library to 3.8.1, which is missing scala-reflect counterpart.
Solution
Drop the same-version policy.