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sbt/notes/0.13.9/cached-resolution-fix.markdown

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Fixes with compatibility implications

Improvements

Bug fixes

  • Fixes memory/performance issue with cached resolution. See below.

Cached resolution fixes

On a larger dependency graph, the JSON file growing to be 100MB+ with 97% of taken up by caller information. The caller information is not useful once the graph is successfully resolved. sbt 0.13.9 creates a single caller to represent all callers, which fixes OutOfMemoryException seen on some builds, and generally it should make JSON IO faster.

#2030/#1721 by @eed3si9n