Issues

• Explicitly state leading 0 in decimal numbers is illegal

  json5/json5-spec#58 · Filter by author boris-kolpackov opened on Oct 8, 2025
  4

• Upgrade past ECMAScript 5.1

  json5/json5-spec#56 · Filter by author dfabulich opened on Apr 18, 2024
  1

  

• Effort to pool in json5 parsers and stringifiers under this single Github organization

  json5/json5-spec#44 · Filter by author Himujjal opened on Oct 24, 2022

• Attempt to make JSON5 part of JS/ECMAScript?

  json5/json5-spec#43 · Filter by author Schweinepriester opened on Sep 29, 2022
  3

• Recommended adding ES6 \u{.....} Unicode escapes

  incompatible with ES5
  json5/json5-spec#42 · Filter by author pallas opened on Sep 12, 2022
  

• Define object name duplicate behavior and require implementations support behavior unique

  enhancement
  json5/json5-spec#38 · Filter by author zamicol opened on Jul 26, 2022
  11

  

• Submitting JSON5 to TC39 as a versioning proposal

  question
  json5/json5-spec#37 · Filter by author bogdanbiv opened on Jul 7, 2022
  2

  

• Recommend support for BigInt

  incompatible with ES5
  json5/json5-spec#36 · Filter by author apprat opened on May 27, 2022
  7

  

• Recommend an encoding for binary data

  enhancement
  json5/json5-spec#35 · Filter by author mindplay-dk opened on Apr 13, 2022 · v1.1.0
  21

  

• Submit JSON5 as internet standard

  enhancement
  json5/json5-spec#33 · Filter by author yairlenga opened on Oct 9, 2021
  1

  

• Leading and/or trailing decimal points in literals

  enhancement
  json5/json5-spec#28 · Filter by author bford opened on May 30, 2020 · v1.1.0
  1

  

• Clarify uniqueness of property names

  enhancement
  json5/json5-spec#25 · Filter by author ell1e opened on May 13, 2020 · v1.1.0
  1

  

• Clarify implementation limits on NaN and Infinity

  enhancement
  json5/json5-spec#24 · Filter by author ell1e opened on May 12, 2020 · v1.1.0
  4

• Recommend avoiding invalid surrogate pairs

  enhancement
  json5/json5-spec#12 · Filter by author GULPF opened on Mar 4, 2019 · v1.1.0
  33

  

• Clarify meaning of hexadecimal values

  enhancement
  json5/json5-spec#6 · Filter by author mcraiha opened on Aug 18, 2018 · v1.1.0
  6

  

• Recommend using RFC 3339 formats for dates in strings

  enhancement
  json5/json5-spec#4 · Filter by author icefoxen opened on Mar 16, 2018 · v1.1.0
  45