Twitter Util v19.12.0 Release Notes
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๐ New Features
* util-stats: Introduces `c.t.f.stats.LazyStatsReceiver` which ensures that counters and histograms don't export metrics until after they have been `incr`ed or `add`ed at least once. ``PHAB_ID=D398898`` * util-core: Introduce `Time#nowNanoPrecision` to produce nanosecond resolution timestamps in JDK9 or later. ``PHAB_ID=D400661`` * util-core: Introduce `Future#toCompletableFuture`, which derives a `CompletableFuture` from a `com.twitter.util.Future` to make integrating with Java APIs simpler. ``PHAB_ID=D408656`` โ Runtime Behavior Changes
- โฌ๏ธ util: Upgrade to jackson 2.9.10 and jackson-databind 2.9.10.1
PHAB_ID=D410846
๐ฅ Breaking API Changes
* ๐ util-core: The lightly used `com.twitter.util.JavaSingleton` trait has been removed. It did not work as intended. Users should provide Java friendly objects, classes, and methods instead. ``PHAB_ID=D399947`` ๐ Deprecations ~~~~~~~~~~~~ * โ util-test: The `c.t.logging.TestLogging` mixin has been deprecated. Users are encouraged to move to slf4j for logging and minimize dependencies on `com.twitter.logging` in general, as it is intended to be replaced entirely by slf4j. ``PHAB_ID=D403574`` ๐ Bug Fixes ~~~~~~~~~ * ๐ป util-core: `Future#toJavaFuture` incorrectly threw the exception responsible for failing it, instead of a `j.u.c.ExecutionException` wrapping the exception responsible for failing it. ``PHAB_ID=D408656``
- โฌ๏ธ util: Upgrade to jackson 2.9.10 and jackson-databind 2.9.10.1