Sourced from syn's releases.

2.0.96

• Expression precedence fixes (#1834, #1836, #1837, #1838, #1839, #1840)

2.0.95

• Fix parenthesization of struct literals in let-chains (#1832)

2.0.94

• Expression precedence fixes (#1811, #1812, #1813, #1814, #1815, #1816, #1818, #1819, #1820, #1825, #1826, #1827, #1828, #1829, #1830)

2.0.93

• Fix expression parsing edge cases: x as T <<= y (#1804), break as T (#1805), match x { _ if .. => {} } (#1807)
• Fix expression printing edge cases: || -> T 'a: {} (#1806), if break x {} (#1808, #1810)

2.0.92

• Fix parenthesization of jumps inside ranges (#1798)

2.0.91

• Support parsing Vec<Arm> using parse_quote! (#1796, #1797)

2.0.90

• Fix automatic parenthesization of subexpressions containing outer attributes, such as (#[attr] thing).field (#1785)
• Fix automatic parenthesization of function calls via a struct field, such as (thing.field)() and thing.0() (#1786)

2.0.89

• Fix "compiler/fallback mismatch 949" panic (dtolnay/proc-macro2#483)

2.0.88

• Improve error recovery in parse_str (#1783)

2.0.87

• Add Cursor::any_group (#1777)
• Add Expr::peek (#1778)
• Improve syntax support for enum discriminant expressions in non-"full" mode (#1779)

2.0.86

• Support peeking the end of a parse stream (#1689)
• Allow parse_quote! to produce Vec<Attribute> (#1775)

2.0.85

• Preserve extern static unsafety in ForeignItem::Verbatim (#1773)

2.0.84

• Parse safe and explicitly unsafe extern items (#1768, rust-lang/rust#123743, rust-lang/rfcs#3484)
• Parse self captures: impl Sized + use<Self> (#1772)

2.0.83

• Documentation improvements

2.0.82

• Provide Parse impls for PreciseCapture and CapturedParam (#1757, #1758)

... (truncated)

• d1cbce8 Release 2.0.96
• 80d8d12 Merge pull request #1840 from dtolnay/letchain
• 96175be Integrate Expr::Let into precedence fixups
• 1f096d3 Merge pull request #1839 from dtolnay/chainedcompare
• 4944362 Fix parenthesization of chained comparisons containing bailout
• fd198d9 Generalize Expr::Range bailout to any operator that can begin expr
• d3f2879 Add regression test for chained comparisons with bailout
• 9872bef Merge pull request #1838 from dtolnay/prevoperator
• 00a125e Short-circuit precedence scan for high-precedence expressions
• 83195c0 Merge pull request #1837 from dtolnay/rangebailout
• Additional commits viewable in compare view

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