Enhancement
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Use Java NIO to read and write Unix file permissions by default. The previous behavior can be restored by setting the Java system property
hudson.Util.useNativeChmodAndMode to true.
JENKINS-36088, Jenkins features controlled by system properties
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Better handling of certain unreproducible XML file load/save errors.
pull 3167
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Improve user lookup performance, for example from Git changelog calculation.
JENKINS-47429
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Reduce memory usage when scheduling pipelines on big clusters.
JENKINS-48348
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Use atomic file moves if available on the underlying file system from
AtomicFileWriter.
JENKINS-34855
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Developer: Add
ItemGroup#allItems and similar default methods to ItemGroup.
pull 3148
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Developer: Add default implementations of deprecated methods to
BuildableItem and Item so they don't need to be implemented.
pull 3142
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Internal: Add documentation and convenience methods for the
User.CanonicalIdResolver extension point.
pull 3140
Bug fix
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Prevent setup wizard from hanging when the two provided passwords differ, instead show a validation error.
JENKINS-48080