Issues

• Horos Preferences locked out

  horosproject/horos#886 · Filter by author sas0311 opened on Oct 30, 2026

• Horos Crashing on macOS Golden Gate Version 27.2

  horosproject/horos#885 · Filter by author CCVMontpellier opened on Oct 29, 2026

• Can't download Horus

  horosproject/horos#884 · Filter by author aligoulart-user opened on Oct 27, 2026
  1

• Horos 4.0.1 - MacOS Golden Gate 27.0.1 incompatibility

  horosproject/horos#883 · Filter by author ChnnnChkmnn opened on Oct 11, 2026
  8

• Horos Crashing on macOS Golden Gate Version 27.0.1

  horosproject/horos#882 · Filter by author maximus-heyclinic opened on Oct 9, 2026
  3

• Version 5.1.0 of ISIS crashes on startup on macOS 27.0

  horosproject/horos#881 · Filter by author elemental98 opened on Oct 5, 2026
  2

• Horos 4.0.1 crashes when opening any study on macOS 27.0.1 (Apple M5)

  horosproject/horos#880 · Filter by author Gagus007 opened on Oct 4, 2026
  4

• Crashes on Golden Gate 27.0.1

  horosproject/horos#878 · Filter by author alexanderthen-ctrl opened on Oct 2, 2026
  2

• Horos (Intel build) fails to launch on macOS 26 Tahoe - false 'requires Mac OS 10.11' alert: root cause + working patch

  horosproject/horos#877 · Filter by author starmac-AI opened on Sep 25, 2026
  2

• Curved MPR: each successive path click is offset by a constant vector, independent of where the user clicks

  horosproject/horos#876 · Filter by author pavelucho opened on Sep 17, 2026

• Does not run on MacOs 27

  horosproject/horos#875 · Filter by author remideudonperso-lgtm opened on Sep 16, 2026
  20

• Horos does not run on Golden Gate beta. An OsiriX-OS-based build does.

  horosproject/horos#874 · Filter by author Hiroaki-Inomata opened on Sep 8, 2026
  15

• Allow user to adjust brightness and contrast in both original and fused layer in 3D volume rendering

  horosproject/horos#873 · Filter by author plocket opened on Sep 6, 2026

• RC5 Intel version will not load on an i9 16" MBP running MacOS 26.x

  horosproject/horos#872 · Filter by author randymassey opened on Aug 28, 2026
  7

• Dropping DICOMs when anonymising

  horosproject/horos#871 · Filter by author mrgrist opened on Aug 19, 2026

• Export from CD to jpeg dont work

  horosproject/horos#869 · Filter by author LOROP-Franzi opened on Aug 7, 2026

• Incorrect active-window behavior with multiple series

  horosproject/horos#867 · Filter by author drraphael86 opened on Jul 21, 2026

• Multiple series grouped as tabs

  horosproject/horos#866 · Filter by author drraphael86 opened on Jul 21, 2026

• ROI and 2D Viewer annotation font sizes

  horosproject/horos#865 · Filter by author drraphael86 opened on Jul 21, 2026
  4

• Crash on macOS 26/27 in AppKit NSSliderCell/vibrancy rendering (_crashOnException) — appears to be OS-level bug

  horosproject/horos#864 · Filter by author danimicci-art opened on Jul 18, 2026
  6

• Is horos a dead project?

  horosproject/horos#861 · Filter by author datalot-369 opened on Jul 4, 2026
  5

• ARM 4.0.1 ToolBar not enough height

  horosproject/horos#860 · Filter by author andyfukuoka-oss opened on Jun 20, 2026

• Recurrent crashes on horos when trying to load MPR

  horosproject/horos#858 · Filter by author gktnhw4m76-blip opened on Jun 4, 2026
  2

• HOROS dicom error - "DicomDatabase Storage Error"

  horosproject/horos#857 · Filter by author RLODZ opened on May 28, 2026
  5

• will not open with intel chip and tahoe 26

  horosproject/horos#856 · Filter by author loug14-tech opened on May 19, 2026
  6