2.0.63

• Parse and print long if-else-if chains without reliance on deep recursion to avoid overflowing stack (#1644, #1645)

2.0.62

• Reject invalid unparenthesized range and comparison operator expressions (#1642, #1643)

2.0.61

• Check for legal binding name in the ident of Pat::Ident (#1627)
• Resolve unexpected_cfgs warning (#1635)

2.0.60

• Improve how None-delimited groups are counted by peek (#1625)

2.0.59

• Parse c"…" and cr"…" C-string literal syntax as Lit::CStr (#1502)

2.0.58

• Support $ in custom_punctuation! macro (#1611)

2.0.57

• Eliminate dependency on quote when built with default-features disabled and the "proc-macro" feature enabled (#1608, thanks @BD103)

2.0.56

• Apply RUSTC_WORKSPACE_WRAPPER when deciding whether to run nightly-only tests (#1605)

2.0.55

• Restore compatibility with rustc 1.56 through 1.59 (#1603)

2.0.54

• Fix dead code warning in generated code when using custom_keyword! with syn's "printing" feature disabled (#1602)