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CHANGELOG.md

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0.1.9 (September 13, 2019)

Fixed

  • Fixed #[instrument]ed async functions not compiling on nightly-2019-09-11 or newer (#342)

Changed

  • Significantly reduced performance impact of skipped spans and events when a Subscriber is not in use (#326)
  • The log feature will now only cause tracing spans and events to emit log records when a Subscriber is not in use (#346)

Added

  • Added support for overriding the name of the span generated by #[instrument] (#330)
  • log-always feature flag to emit log records even when a Subscriber is set (#346)

0.1.8 (September 3, 2019)

Changed

  • Reorganized and improved API documentation (#317)

Removed

  • Dev-dependencies on ansi_term and humantime crates, which were used only for examples (#316)

0.1.7 (August 30, 2019)

Changed

  • New (curly-brace free) event message syntax to place the message in the first field rather than the last (#309)

Fixed

  • Fixed a regression causing macro stack exhaustion when the log feature flag is enabled (#304)

0.1.6 (August 20, 2019)

Added

  • std::error::Error as a new primitive type (#277)
  • Support for mixing key-value fields and format_args messages without curly braces as delimiters (#288)

Changed

  • tracing-core dependency to 0.1.5 (#294)
  • tracing-attributes dependency to 0.1.2 (#297)

0.1.5 (August 9, 2019)

Added

  • Support for no-std + liballoc (#263)

Changed

  • Using the #[instrument] attribute on async fns no longer requires a feature flag (#258)

Fixed

  • The #[instrument] macro now works on generic functions (#262)

0.1.4 (August 8, 2019)

Added

  • #[instrument] attribute for automatically adding spans to functions (#253)

0.1.3 (July 11, 2019)

Added

  • Log messages when a subscriber indicates that a span has closed, when the log feature flag is enabled (#180).

Changed

  • tracing-core minimum dependency version to 0.1.2 (#174).

Fixed

  • Fixed an issue where event macro invocations with a single field, using local variable shorthand, would recur infinitely (#166).
  • Fixed uses of deprecated tracing-core APIs (#174).

0.1.2 (July 6, 2019)

Added

  • Span::none() constructor, which does not require metadata and returns a completely empty span (#147).
  • Span::current() function, returning the current span if it is known to the subscriber (#148).

Fixed

  • Broken macro imports when used prefixed with tracing:: (#152).

0.1.1 (July 3, 2019)

Changed

  • cfg_if dependency to 0.1.9.

Fixed

  • Compilation errors when the log feature is enabled (#131).
  • Unclear wording and typos in documentation (#124, #128, #142).

0.1.0 (June 27, 2019)

  • Initial release