Issues

• GetTickCount used in anti-analysis and anti-debugging technique [enhancement]

  pleriche/FastMM5#108 · Filter by author hafedh-trimeche opened on Aug 15, 2026
  5

• Debug mode captures no stack trace at all under 64-bit

  pleriche/FastMM5#106 · Filter by author TetzkatLipHoka opened on Aug 5, 2026
  3

• FullDebugMode support library destroys source paths outside the ANSI code page

  pleriche/FastMM5#105 · Filter by author TetzkatLipHoka opened on Aug 5, 2026
  1

• FastMM_ScanDebugBlocksForCorruption no longer detects header/footer corruption of small debug blocks (regression in cad1f04)

  pleriche/FastMM5#102 · Filter by author TetzkatLipHoka opened on Jul 23, 2026
  4

• Benchmarked performance improvements for FastMM5

  pleriche/FastMM5#99 · Filter by author janrysavy opened on Jul 21, 2026
  1

• FastMM5 readiness for Delphi 13.1 Arm64EC

  pleriche/FastMM5#93 · Filter by author janrysavy opened on Jul 20, 2026
  10

• Failed memory-manager mode transitions poison nesting counters and later report success

  pleriche/FastMM5#85 · Filter by author janrysavy opened on Jul 17, 2026
  3

• FastMM_AttemptToUseSharedMemoryManager trusts a predictable cross-process mapping and can crash

  pleriche/FastMM5#84 · Filter by author janrysavy opened on Jul 17, 2026
  2

• Runtime debug mode: medium block spans are never returned to the OS - unbounded committed memory growth under multithreaded load

  pleriche/FastMM5#82 · Filter by author TetzkatLipHoka opened on Jul 16, 2026
  4

• Add FastMM_ProcessAllPendingFrees() to exports in BorlndMM.dpr

  pleriche/FastMM5#81 · Filter by author PeterJanRoes opened on Jul 1, 2026
  6

• Question: interest in additional reproducible fixes from GPT-assisted review?

  pleriche/FastMM5#69 · Filter by author janrysavy opened on Apr 28, 2026
  12

• Invalid typecast? (Pointer(Cardinal(LInd) * 65536)

  pleriche/FastMM5#65 · Filter by author GabrielOnDelphi opened on Mar 2, 2026
  1

• how to debug this

  pleriche/FastMM5#64 · Filter by author De-Novo-Research opened on Jan 8, 2026
  4

• Is there a tool to benchmark FastMM5 (against oneTBB)?

  pleriche/FastMM5#63 · Filter by author Zeus64 opened on Oct 1, 2025
  1

• Memory protected allocations feature request

  pleriche/FastMM5#60 · Filter by author hvassbotn opened on Aug 14, 2025
  8

• Small bug in Memory Corruption Detected message

  pleriche/FastMM5#59 · Filter by author hvassbotn opened on Aug 14, 2025
  1

• nil in LPShortString in BlockContentTypeToTextBuffer

  pleriche/FastMM5#51 · Filter by author Nashev opened on May 6, 2024
  5

• Possible error or defect

  pleriche/FastMM5#50 · Filter by author sezuk opened on May 2, 2024
  1

• FastMM5 and FireMonkey

  pleriche/FastMM5#47 · Filter by author westner opened on Feb 16, 2024
  6

• FeatureRequest: create a "Delta" report for memory allocations

  pleriche/FastMM5#46 · Filter by author HHasenack opened on Feb 1, 2024
  7

• Linux support.

  pleriche/FastMM5#44 · Filter by author rgreat opened on Jan 31, 2024

• Warnings W1071 and W1072: Implicit integer cast ... / Implicit conversion may lose ...

  pleriche/FastMM5#42 · Filter by author katalym opened on Jan 26, 2024
  3

• Runtime determination of Arena size

  pleriche/FastMM5#41 · Filter by author Strahbehry opened on Oct 23, 2023
  8

• Documentation ?

  pleriche/FastMM5#39 · Filter by author bero opened on Sep 19, 2023
  3

• returning the procedure's Local Variables ?

  pleriche/FastMM5#38 · Filter by author dcabale opened on Aug 30, 2023
  9