Sourced from syn's releases.

2.0.117

• Fix parsing of self:: pattern in first function argument (#1970)

2.0.116

• Optimize parse_fn_arg_or_variadic for less lookahead on erroneous receiver (#1968)

2.0.115

• Enable GenericArgument::Constraint parsing in non-full mode (#1966)

2.0.114

• Make std dependencies more easily discoverable in source code (#1956, thanks @​tamird)

2.0.113

• Allow parsing TypeParam with colon not followed by any type param bounds (#1953, thanks @​wyfo)

2.0.112

• Fix panic in LitByte::new().value() (#1951, thanks @​VictorArcium)

2.0.111

• Allow first argument of braced!, bracketed!, parenthesized! to be an otherwise unused variable (#1946)

2.0.110

• Tweaks to improve build speed (#1939, thanks @​dishmaker)
• Make syn::ext::IdentExt::unraw available without "parsing" feature (#1940)
• Support parsing syn::Meta followed by => (#1944)

2.0.109

• Tweaks to improve build speed (#1927, #1928, #1930, #1932, #1934, thanks @​dishmaker)

2.0.108

• Parse unrecognized or invalid literals as Lit::Verbatim (#1925)

2.0.107

• Improve panic message when constructing a LitInt, LitFloat, or Lit from invalid syntax (#1917)
• Improve panic message on Punctuated index out of bounds (#1922)

2.0.106

• Replace ~const syntax with [const] conditionally const syntax in trait bounds (#1896, rust-lang/rust#139858)
• Support conditionally const impl Trait types (#1897)
• Reject polarity modifier and lifetime binder used in the same trait bound (#1899, rust-lang/rust#127054)
• Parse const trait bounds with bound lifetimes (#1902)
• Parse bound lifetimes with lifetime bounds (#1903)
• Allow type parameters and const parameters in trait bounds and generic closures (#1904, #1907, #1908, #1909)

2.0.105

• Disallow "negative" inherent impls like impl !T {} (#1881, rust-lang/rust#144386)

2.0.104

• Disallow attributes on range expression (#1872)

... (truncated)

• 7bcb37c Release 2.0.117
• 9c6e7d3 Merge pull request #1970 from dtolnay/receiver
• 019a848 Fix self:: pattern in first function argument
• 23f54f3 Update test suite to nightly-2026-02-18
• b99b9a6 Unpin CI miri toolchain
• a62e54a Release 2.0.116
• 5a8ed9f Merge pull request #1968 from dtolnay/receiver
• 813afcc Optimize parse_fn_arg_or_variadic for less lookahead on erroneous receiver
• c172150 Add regression test for issue 1718
• 0071ab3 Ignore type_complexity clippy lint
• Additional commits viewable in compare view