Issues

• Make highlightAll() skip elements it already highlighted

  PrismJS/prism#4167 · Filter by author DmitrySharabin opened on Oct 10, 2026

• Autoloader's default path is a file:// URL from the build machine under webpack

  PrismJS/prism#4166 · Filter by author DmitrySharabin opened on Oct 10, 2026

• Importing prismjs/core.js with webpack bundles the whole package

  PrismJS/prism#4165 · Filter by author DmitrySharabin opened on Oct 10, 2026

• Should plugins register themselves, and how do we import the Prism class without side effects?

  PrismJS/prism#4149 · Filter by author DmitrySharabin opened on Oct 7, 2026
  1

• [v2] line-highlight loses its position when line-numbers registers after it

  PrismJS/prism#4137 · Filter by author DmitrySharabin opened on Sep 28, 2026

• Removing $placeholder changes how an unquoted template attribute value, attribute name, or tag name parses (13 languages)

  PrismJS/prism#4119 · Filter by author DmitrySharabin opened on Sep 17, 2026
  1

• An unchanged diff line takes only the last selector reading, so a construct spanning into a deleted line renders half-highlighted

  PrismJS/prism#4118 · Filter by author DmitrySharabin opened on Sep 17, 2026

• diff:<lang> glues hunks and files together, so one unterminated construct contaminates the rest

  PrismJS/prism#4117 · Filter by author DmitrySharabin opened on Sep 17, 2026

• Use the token overlay helper for the remaining structure-merging code

  PrismJS/prism#4111 · Filter by author LeaVerou opened on Sep 15, 2026
  1

• Changed lines in diff:<lang> blocks are visually unmarked

  bugthemes
  PrismJS/prism#4109 · Filter by author DmitrySharabin opened on Sep 15, 2026 · 2.0

• Swift class regex doesn't support private names (ex. '_Foo')

  PrismJS/prism#4100 · Filter by author Kenna-Blackburn opened on Aug 21, 2026

• New Language: CakePHP

  language-definitionsnew language
  PrismJS/prism#4099 · Filter by author maksferreira opened on Aug 16, 2026

• E

  PrismJS/prism#4097 · Filter by author abood1512 opened on Jul 31, 2026

• SCSS/LESS selector, property, and atrule patterns have O(n^2) polynomial backtracking (masked by a suppressed scslre Move report)

  PrismJS/prism#4092 · Filter by author spokodev opened on Jul 1, 2026

• Add support for Mozilla's Project Fluent localization syntax

  language-definitionsnew language
  PrismJS/prism#4089 · Filter by author portfiend opened on Jun 24, 2026
  1

• Language components can fail in Vite/Rolldown production builds because Prism is a free global

  PrismJS/prism#4088 · Filter by author hcvdwerf opened on Jun 19, 2026

• Throw Error when the language is core

  PrismJS/prism#4085 · Filter by author yeying-xingchen opened on Jun 3, 2026

• wiki renders nested template tags incorrectly/inconsistently

  language-definitions
  PrismJS/prism#4074 · Filter by author mihawk90 opened on Apr 9, 2026

• F5 Network iRule Language Definition

  language-definitionsnew language
  PrismJS/prism#4061 · Filter by author KaiWilke opened on Mar 3, 2026

• Ink

  language-definitionsnew language
  PrismJS/prism#4059 · Filter by author debuglevel opened on Feb 14, 2026

• New Language Request: Typst

  language-definitionsnew language
  PrismJS/prism#4055 · Filter by author udit-001 opened on Jan 17, 2026

• shell-session: support for PS2 and multi-line command continuation

  language-definitions
  PrismJS/prism#4054 · Filter by author MountComb opened on Jan 13, 2026

• German deskription

  language-definitionsnew language
  PrismJS/prism#4052 · Filter by author ThrivenArtConnect opened on Dec 25, 2025

• Support for Vento (.vto)

  language-definitionsnew language
  PrismJS/prism#4050 · Filter by author xplosionmind opened on Dec 18, 2025

• Correctly highlight the behind glyph ⍛

  language-definitions
  PrismJS/prism#4043 · Filter by author bear8642 opened on Nov 26, 2025