1.0.33

• Expose backtraces via the new "generic member access" API on the Error trait (rust-lang/rust#99301, rust-lang/rust#96024)

1.0.32

• Add keywords to crates.io metadata

1.0.31

• Improve diagnostic when there is an enum variant containing #[from] #[backtrace] Error, Backtrace (#163)

1.0.30

• Make #[source] attribute usable on a field of type Box<dyn Error + Send + Sync + UnwindSafe + 'static> (#155, thanks @cosmicexplorer)

1.0.29

• Support error types containing generic type parameters (#148, #149, #150, #151)

  use thiserror::Error;
  
  #[derive(Error, Debug)]
  pub enum MyError<E, F, G> {
      #[error("thing {0} ({0:?})")]
      Variant(E),
      #[error("some error")]
      Delegate(#[source] SomeError<F>),
      #[error("err 0o{val:o}")]
      Octal { val: G },
  }

  In the above example, thiserror would automatically generate the following pair of generic trait impls.

  impl<E, F, G> std::error::Error for MyError<E, F, G>
  where
      SomeError<F>: std::error::Error + 'static,
      Self: std::fmt::Debug + std::fmt::Display;
  
  impl<E, F, G> std::fmt::Display for MyError<E, F, G>
  where
      E: std::fmt::Debug + std::fmt::Display,
      G: std::fmt::Octal;

1.0.28

• Make ? work with error types that hold an optional source (#147)

1.0.27

• Support forwarding backtrace method to source's backtrace method (#137, #146, thanks @astraw)

1.0.26

• Work around bug in Clippy nonstandard_macro_braces lint (rust-lang/rust-clippy#7422, 245e7cf)

1.0.25

• Support error(transparent) on errors containing a non-'static inner error (#113)

1.0.24

• Hygiene fixes in generated source method of error types originating inside of a macro definition to unblock rust-lang/rust#80689 (comment) (#121, thanks @Aaron1011)