Issues

• \K produces inconsistent behaviour with pcre2_callout_block->start_match when not using JIT

  PCRE2Project/pcre2#1040 · Filter by author bsloane1650 opened on Oct 13, 2026

• Global match loop is quadratic for a caseless pattern when one case of the first character is absent

  PCRE2Project/pcre2#1038 · Filter by author mariadb-RoelVandePaar opened on Oct 11, 2026
  1

• Auto-possessification gives a different match than full backtracking for a top-level iterator reached through (?R)

  PCRE2Project/pcre2#1034 · Filter by author fdicostanzo opened on Oct 7, 2026
  2

• pcre2posix: Switch to 64-bit regoff_t

  enhancement
  PCRE2Project/pcre2#1025 · Filter by author NWilson opened on Sep 30, 2026

• pcre2grep: Support large (64-bit) file sizes

  untidiness
  PCRE2Project/pcre2#1024 · Filter by author NWilson opened on Sep 30, 2026

• JIT much slower than the interpreter where the interpreter's first/required code unit dismissal applies (3 cases, reproduces on 10.48)

  JIT
  PCRE2Project/pcre2#1015 · Filter by author fdicostanzo opened on Sep 27, 2026

• Interpreter: (*ACCEPT) in a subroutine-called group inside an assertion ends the assertion (wrong captures, or -999 returned)

  bug
  PCRE2Project/pcre2#1008 · Filter by author pmarreck opened on Sep 25, 2026 · 10.49
  1

• Split parser to produce high level Intermediate Representation

  enhancement
  PCRE2Project/pcre2#1003 · Filter by author NWilson opened on Sep 22, 2026 · Future

• JIT SIMD should ideally not be excluded based on SUPPORT_VALGRIND

  JIT
  PCRE2Project/pcre2#995 · Filter by author NWilson opened on Sep 18, 2026
  2

• Style: move variable declarations down to first assignment

  untidiness
  PCRE2Project/pcre2#993 · Filter by author NWilson opened on Sep 18, 2026 · 10.49
  1

• Interpreter/JIT discrepancy

  bugJIT
  PCRE2Project/pcre2#974 · Filter by author ltrzesniewski opened on Sep 9, 2026 · 10.49
  1

• In UTF mode, Nested lookbehind with an optional quantifier: unexpected no match

  bug
  PCRE2Project/pcre2#960 · Filter by author YuFuSweetie opened on Aug 23, 2026 · 10.49
  6

• performance regression for Unicode properties

  enhancement
  PCRE2Project/pcre2#930 · Filter by author carenas opened on Aug 5, 2026 · 10.49
  4

• Unexpected multiple matches of (*ACCEPT) within a + quantified group

  bug
  PCRE2Project/pcre2#925 · Filter by author YuFuSweetie opened on Jul 31, 2026 · 10.49
  1

• ThreadSanitizer data race in get_page_alignment (sljitUtils.c) during concurrent pcre2_jit_stack_create

  bugJIT
  PCRE2Project/pcre2#924 · Filter by author zizeca opened on Jul 24, 2026
  13

• Provide a parser termination character

  enhancement
  PCRE2Project/pcre2#861 · Filter by author NWilson opened on Dec 3, 2025 · Future
  4

• Adding positive lookahead prevents some optimizations

  enhancement
  PCRE2Project/pcre2#851 · Filter by author Fefer-Ivan opened on Nov 24, 2025
  5

• Returning an array of captures with IDs.

  enhancement
  PCRE2Project/pcre2#847 · Filter by author zherczeg opened on Nov 18, 2025 · Future
  4

• pcre2grep(1): Please add -T flag

  enhancement
  PCRE2Project/pcre2#779 · Filter by author alejandro-colomar opened on Aug 23, 2025
  14

• Add support for non-native-endian UTF-16 and UTF-32

  enhancement
  PCRE2Project/pcre2#763 · Filter by author Rot127 opened on Jul 12, 2025 · Future
  11

• Segfault on ppc64 w/ JIT & SEAlloc

  JIT
  PCRE2Project/pcre2#762 · Filter by author OPNA2608 opened on Jul 11, 2025
  1

• Add some simple syntax to match against nested pairs of regexes

  enhancement
  PCRE2Project/pcre2#761 · Filter by author IsaacOscar opened on Jul 4, 2025
  9

• Yieldable matching API

  enhancement
  PCRE2Project/pcre2#730 · Filter by author NWilson opened on Mar 17, 2025 · Future
  2

• Consider non-recursive parser

  enhancement
  PCRE2Project/pcre2#659 · Filter by author NWilson opened on Jan 8, 2025 · Future

• Valgrind errors on amd64

  JITquestion
  PCRE2Project/pcre2#654 · Filter by author paulfloyd opened on Jan 3, 2025 · Future
  13