Issues

• walkTokens takes quadratic time because it copies the results array for every token

  markedjs/marked#4120 · Filter by author ikhattab opened on Sep 30, 2026

• CLI --string with an empty value unexpectedly reads stdin

  markedjs/marked#4112 · Filter by author xu91102 opened on Sep 26, 2026

• emStrong is quadratic in the number of unmatched emphasis delimiters (12 KB input takes ~16 s)

  L2 - annoying
  markedjs/marked#4099 · Filter by author Darkslayer3324j opened on Sep 19, 2026
  3

• Improve table render

  works as intended
  markedjs/marked#4085 · Filter by author fluxoak opened on Sep 5, 2026
  3

• CommonMark spec gaps grouped by root cause, and a question about lookup tables

  markedjs/marked#4050 · Filter by author luantaraschi opened on Aug 10, 2026
  21

• Bug: Architectural deviations from CommonMark specification

  L2 - annoying
  markedjs/marked#3996 · Filter by author Geetansh-12 opened on Jun 17, 2026
  2

• Enhancement: add TypeScript generics support for custom renderer return types

  proposal
  markedjs/marked#3974 · Filter by author chu0119 opened on May 16, 2026
  1

• let walkTokens replace the current token with multiple

  proposal
  markedjs/marked#3844 · Filter by author calculuschild opened on Nov 20, 2025
  1

• Select Extension priority

  proposal
  markedjs/marked#3590 · Filter by author calculuschild opened on Jan 15, 2025
  2

• Support custom extensions "interrupting" built-in tokens

  proposal
  markedjs/marked#3435 · Filter by author calculuschild opened on Aug 29, 2024
  4

• Measured performance decrease between major releases of Marked, time for a performance pass?

  proposal
  markedjs/marked#2355 · Filter by author alystair opened on Jan 12, 2022
  12

• Markdown flavors + options

  parser: CommonMarkparser: GFMproposal
  markedjs/marked#1225 · Filter by author joshbruce opened on Apr 16, 2018
  3