Commits on May 11, 2023

1. core: prepare to release v0.1.31 …

   # 0.1.31 (May 11, 2023)
   
   This release of `tracing-core` fixes a bug that caused threads which
   call `dispatcher::get_default` _before_ a global default subscriber is
   set to never see the global default once it is set. In addition, it
   includes improvements for instrumentation performance in some cases,
   especially when using a global default dispatcher.
   
   ### Fixed
   
   - Fixed incorrect thread-local caching of `Dispatch::none` if
     `dispatcher::get_default` is called before
     `dispatcher::set_global_default` (#2593)
   
   ### Changed
   
   - Cloning a `Dispatch` that points at a global default subscriber no
     longer requires an `Arc` reference count increment, improving
     performance substantially (#2593)
   - `dispatcher::get_default` no longer attempts to access a thread local
     if the scoped dispatcher is not in use, improving performance when the
     default dispatcher is global (#2593)
   - Added `#[inline]` annotations called by the `event!` and `span!`
     macros to reduce the size of macro-generated code and improve
     recording performance (#2555)
   
   Thanks to new contributor @ldm0 for contributing to this release!

   

   hawkw committed May 11, 2023
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