Python plug-in for GIMP3: RawTherapee editing plug-in

yasuo · May 24, 2026, 3:19am

Hi,

I have written a GIMP3 plug-in. This is RawTherapee version of my “ART editing plug-in”. It uses RT as external editor of GIMP.

To use this plug-in, of course, RT and GIMP installation is needed.

Installation Steps:

Download this plug-in, and install it in plug-in directory in GIMP personal profile directory.
Edit config.ini file in RawTherapee_as_ext_editor_g3 directory adaptive to your environment. Default value of config.ini is as below. “#” is comment out sign.


[RawTherapee path on Windows]
COMMAND_NT;C:\\Program Files\\RawTherapee\\5.12\\RawTherapee

[RawTherapee path on Linux]
#COMMAND_LINUX;/usr/bin/rawtherapee
# If your RawTherapee is Flatpak version...
COMMAND_LINUX;flatpak run com.rawtherapee.RawTherapee

[RawTherapee path on Mac OS]
COMMAND_DARWIN;/Applications/RawTherapee.app/Contents/MacOS/RawTherapee

[Temp file bit depth]
TMP_FILE_BITDEPTH;16
# TMP_FILE_BITDEPTH specify temp file bit depth.
# The value of TMP_FILE_BITDEPTH must be 8, 16 or 32

[RawTherapee edited result pasted as layer]
IMPORT_AS_LAYER;False
# The value of IMPORT_AS_LAYER must be True or False
# Default is False (import as a new image)

[Delete RawTherapee sidecar files]
DELETE_ARPS;False
# The value of DELETE_ARPS must be True or False
# Default is False (keep sidecar files)

[Selected layers import mode]
IMP_SEL_LAYERS;False
# The value of IMP_SNGL_LAYER must be True or False
# Default is False (import visible image to RawTherapee)

In config.ini, specify the RT path, the bit depth of temporary file which will be imported in RT, how to handle image exported from darktalbe in GIMP, what image will be imported in RT and delete RT sidecar file.

In [RT edited result pasted as layer] parameter, you can decide whether RT exported image will be imported in GIMP as layer or as image.

In [Selected layers import mode] parameter, you can decide whether visible image will be imported in RT or only selected layer(s) will be imported.

How to use it:

Start GIMP3.x. If you use GIMP Flatpak version, start it with ‘–socket=session-bus’ option to make it communicate with RT or other helper programs.
If you set [Selected layers import mode] True in config.ini, select the layers of current image which you want to import.
Start this plug-in from [Filters] > [RawTherapee editing plug-in …] in menu.

image669×549 62.4 KB
After RT start, edit the image in RT.

image1064×681 129 KB
Close RT and the edited image will be loaded in GIMP.

image1048×683 138 KB

yasuo · June 9, 2026, 12:27am

Hi,
I have fixed bugs in this program. No UI and usage are changed.

Francesco_Aloisio · July 9, 2026, 3:53pm

Hello. Unfortunately, with the new version of RawTherapee, the plugin causes the program to crash.

yasuo · July 9, 2026, 10:21pm

Hi, Francesco.
Thank you for your report. Would you tell me your OS and RawTherapee version?
I’ll take a look.

Francesco_Aloisio · July 10, 2026, 4:39am

Hi, thanks for the reply. The version is RawTherapee 5.12.

yasuo · July 10, 2026, 2:33pm

Hi,
And your OS is Linux? Also, would you please upload your config.ini file?

Francesco_Aloisio · July 10, 2026, 3:54pm

Hi, sorry—my system is macOS Monterey with GIMP 3.2.

Francesco_Aloisio · July 10, 2026, 3:57pm

Error code: Translated Report (Full Report Below)

Process: rawtherapee [2300]
Path: /Applications/RawTherapee.app/Contents/MacOS/rawtherapee
Identifier: com.rawtherapee.RawTherapee
Version: 5.12 (5.12)
Code Type: X86-64 (Native)
Parent Process: Python [2297]
Responsible: gimp [2242]
User ID: 501

Date/Time: 2026-07-10 17:56:12.8212 +0200
OS Version: macOS 12.7.6 (21H1320)
Report Version: 12
Anonymous UUID: 3104CA15-2AB9-6392-BE5B-03D9F863FE07

Time Awake Since Boot: 5500 seconds

System Integrity Protection: disabled

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Application Specific Information:
abort() called

Thread 0 Crashed:: 0 libsystem_kernel.dylib 1 libsystem_pthread.dylib 2 libsystem_c.dylib 3 libglib-2.0.0.dylib 4 libglib-2.0.0.dylib 5 libgtk-3.0.dylib 6 libgtk-3.0.dylib 7 libgtk-3.0.dylib 8 libgtk-3.0.dylib 9 libgtk-3.0.dylib 10 libgtk-3.0.dylib 11 libgtk-3.0.dylib 12 libgtkmm-3.0.1.dylib 13 libgtk-3.0.dylib 14 libgtk-3.0.dylib 15 libgtk-3.0.dylib 16 libgtk-3.0.dylib 17 libgtk-3.0.dylib 18 libgtk-3.0.dylib 19 libgtk-3.0.dylib 20 libgtk-3.0.dylib 21 libgtk-3.0.dylib 22 libgtk-3.0.dylib 23 libgtk-3.0.dylib 24 libgtk-3.0.dylib 25 libgtk-3.0.dylib 26 libgtk-3.0.dylib 27 libgtk-3.0.dylib 28 libgtkmm-3.0.1.dylib 29 libgtk-3.0.dylib 30 libgtk-3.0.dylib 31 libgtk-3.0.dylib 32 libgtk-3.0.dylib 33 libgtk-3.0.dylib 34 libgtk-3.0.dylib 35 libgtkmm-3.0.1.dylib 36 libgtk-3.0.dylib 37 libgtk-3.0.dylib 38 libgtk-3.0.dylib 39 libgtk-3.0.dylib 40 libgtk-3.0.dylib 41 libgtk-3.0.dylib 42 libgtkmm-3.0.1.dylib 43 libgtk-3.0.dylib 44 libgtk-3.0.dylib 45 libgtk-3.0.dylib 46 libgtk-3.0.dylib 47 libgtk-3.0.dylib 48 libgtk-3.0.dylib 49 libgtk-3.0.dylib 50 libgtk-3.0.dylib 51 libgtk-3.0.dylib 52 libgtk-3.0.dylib 53 libgtk-3.0.dylib 54 libgtk-3.0.dylib 55 libgtk-3.0.dylib 56 libgtkmm-3.0.1.dylib 57 libgtk-3.0.dylib 58 libgtk-3.0.dylib 59 libgtk-3.0.dylib 60 libgtk-3.0.dylib 61 libgtk-3.0.dylib 62 libgtk-3.0.dylib 63 libgtkmm-3.0.1.dylib 64 libgtk-3.0.dylib 65 libgtk-3.0.dylib 66 libgtk-3.0.dylib 67 libgtk-3.0.dylib 68 libgtk-3.0.dylib 69 libgtk-3.0.dylib 70 libgtk-3.0.dylib 71 libgtkmm-3.0.1.dylib 72 libgtk-3.0.dylib 73 libgtk-3.0.dylib 74 libgtk-3.0.dylib 75 libgtk-3.0.dylib 76 libgtk-3.0.dylib 77 libgtk-3.0.dylib 78 libgtk-3.0.dylib 79 libgtkmm-3.0.1.dylib 80 libgtk-3.0.dylib 81 libgtk-3.0.dylib 82 libgtk-3.0.dylib 83 libgtk-3.0.dylib 84 libgtk-3.0.dylib 85 libgtk-3.0.dylib 86 libgtk-3.0.dylib 87 libgtkmm-3.0.1.dylib 88 libgtk-3.0.dylib 89 libgtk-3.0.dylib 90 libgtk-3.0.dylib 91 libgtk-3.0.dylib 92 libgtk-3.0.dylib 93 libgtk-3.0.dylib 94 libgtkmm-3.0.1.dylib 95 libgtk-3.0.dylib 96 libgtk-3.0.dylib 97 libgtk-3.0.dylib 98 libgtkmm-3.0.1.dylib 99 libgtk-3.0.dylib 100 libgtk-3.0.dylib 101 libgtk-3.0.dylib 102 libgtk-3.0.dylib 103 rawtherapee 104 libgtkmm-3.0.1.dylib 105 libgobject-2.0.0.dylib 106 libgobject-2.0.0.dylib 107 libgobject-2.0.0.dylib 108 libgobject-2.0.0.dylib 109 libgtk-3.0.dylib 110 libgtk-3.0.dylib 111 libgtkmm-3.0.1.dylib 112 libgobject-2.0.0.dylib 113 libgobject-2.0.0.dylib 114 libgobject-2.0.0.dylib 115 libgobject-2.0.0.dylib 116 libgobject-2.0.0.dylib 117 libgtk-3.0.dylib 118 libgtkmm-3.0.1.dylib 119 rawtherapee 120 rawtherapee 121 rawtherapee 122 dyld Dispatch queue: com.apple.main-thread
0x7ff80206ffce __pthread_kill + 10
0x7ff8020a61ff pthread_kill + 263
0x7ff801ff1d14 abort + 123
0x1074c6557 g_assertion_message + 423
0x1074c6a67 g_assertion_message_error + 211
0x1076dd1d6 ensure_surface_for_gicon + 598
0x1076dcee5 gtk_icon_helper_load_surface + 597
0x1076dd41b _gtk_icon_helper_get_size + 379
0x1076f73e9 gtk_image_get_content_size + 57
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x1076f717d gtk_image_get_preferred_width + 45
0x107e4fc8a Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 180
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1075dc470 gtk_box_get_content_size + 1104
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x1075db98d gtk_box_get_preferred_width + 45
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1078cedae gtk_alignment_get_preferred_width + 94
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1077c5a16 _gtk_widget_get_preferred_size_for_size + 246
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x1075eb96d gtk_button_get_preferred_width + 45
0x107e4fc8a Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 180
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1075dc470 gtk_box_get_content_size + 1104
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x1075db98d gtk_box_get_preferred_width + 45
0x107e4fc51 Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 123
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1075dc470 gtk_box_get_content_size + 1104
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x1075db98d gtk_box_get_preferred_width + 45
0x107e4fc8a Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 180
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1077c5a16 _gtk_widget_get_preferred_size_for_size + 246
0x10787bc69 gtk_viewport_measure + 105
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x10787b89d gtk_viewport_get_preferred_width + 45
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1077b00ed gtk_scrolled_window_measure + 365
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x1077ad96d gtk_scrolled_window_get_preferred_width + 45
0x107e4fc51 Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 123
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1075dc470 gtk_box_get_content_size + 1104
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x1075db98d gtk_box_get_preferred_width + 45
0x107e4fc8a Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 180
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1077c5a16 _gtk_widget_get_preferred_size_for_size + 246
0x1077596f6 gtk_paned_measure + 774
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x10775771d gtk_paned_get_preferred_width + 45
0x107e4fc8a Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 180
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1077c5a16 _gtk_widget_get_preferred_size_for_size + 246
0x1077594b5 gtk_paned_measure + 197
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x10775771d gtk_paned_get_preferred_width + 45
0x107e4fc8a Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 180
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1077c5a16 _gtk_widget_get_preferred_size_for_size + 246
0x10775946a gtk_paned_measure + 122
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x10775771d gtk_paned_get_preferred_width + 45
0x107e4fc8a Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 180
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1075dc470 gtk_box_get_content_size + 1104
0x107635cae gtk_css_custom_gadget_get_preferred_size + 30
0x10763adc8 gtk_css_gadget_get_preferred_size + 1528
0x1075db98d gtk_box_get_preferred_width + 45
0x107e4fc51 Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 123
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c4de1 gtk_widget_get_preferred_width + 97
0x1078a6107 gtk_window_get_preferred_width + 295
0x107e4fc51 Gtk::Widget_Class::get_preferred_width_vfunc_callback(_GtkWidget*, int*, int*) + 123
0x1077c5d4c gtk_widget_query_size_for_orientation + 780
0x1077c54ba _gtk_widget_get_preferred_size_and_baseline + 458
0x10789be74 gtk_window_compute_configure_request + 132
0x1078a4b5b gtk_window_realize + 699
0x105c0acf7 RTWindow::on_realize() + 39
0x107e513be Gtk::Widget_Class::realize_callback(_GtkWidget*) + 78
0x10697ae36 _g_closure_invoke_va + 208
0x10699113d signal_emit_valist_unlocked + 2540
0x106990730 g_signal_emit_valist + 52
0x10699161c g_signal_emit + 120
0x107880b0d gtk_widget_realize + 301
0x1078a42d1 gtk_window_show + 81
0x107e51220 Gtk::Widget_Class::show_callback(_GtkWidget*) + 78
0x10697ac78 g_closure_invoke + 195
0x106991e12 signal_emit_unlocked_R + 995
0x106990e9f signal_emit_valist_unlocked + 1870
0x106990730 g_signal_emit_valist + 52
0x10699161c g_signal_emit + 120
0x107880254 gtk_widget_show + 212
0x107e5103f Gtk::Widget_Class::show_all_vfunc_callback(_GtkWidget*) + 81
0x105c10cf8 RTWindow::RTWindow() + 5192
0x105b0cfc1 (anonymous namespace)::create_rt_window() + 113
0x105b0c2c8 main + 3208
0x10f6b052e start + 462

Thread 1:
0 libsystem_pthread.dylib 0x7ff8020a1f48 start_wqthread + 0

Thread 2:
0 libsystem_pthread.dylib 0x7ff8020a1f48 start_wqthread + 0

Thread 3:
0 libsystem_kernel.dylib 0x7ff80206c3aa __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x7ff8020a6a6f _pthread_cond_wait + 1249
2 libomp.dylib 0x106a4a068 void __kmp_suspend_64<false, true>(int, kmp_flag_64<false, true>) + 424
3 libomp.dylib 0x106a27288 kmp_flag_64<false, true>::wait(kmp_info, int, void*) + 1528
4 libomp.dylib 0x106a21bcf __kmp_hyper_barrier_release(barrier_type, kmp_info*, int, int, int, void*) + 175
5 libomp.dylib 0x106a260b7 __kmp_fork_barrier(int, int) + 599
6 libomp.dylib 0x1069fb85a __kmp_launch_thread + 298
7 libomp.dylib 0x106a487da __kmp_launch_worker(void*) + 330
8 libsystem_pthread.dylib 0x7ff8020a64e1 _pthread_start + 125
9 libsystem_pthread.dylib 0x7ff8020a1f6b thread_start + 15

Thread 4:
0 libsystem_kernel.dylib 0x7ff80206c3aa __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x7ff8020a6a6f _pthread_cond_wait + 1249
2 libomp.dylib 0x106a4a068 void __kmp_suspend_64<false, true>(int, kmp_flag_64<false, true>) + 424
3 libomp.dylib 0x106a27288 kmp_flag_64<false, true>::wait(kmp_info, int, void*) + 1528
4 libomp.dylib 0x106a21bcf __kmp_hyper_barrier_release(barrier_type, kmp_info*, int, int, int, void*) + 175
5 libomp.dylib 0x106a260b7 __kmp_fork_barrier(int, int) + 599
6 libomp.dylib 0x1069fb85a __kmp_launch_thread + 298
7 libomp.dylib 0x106a487da __kmp_launch_worker(void*) + 330
8 libsystem_pthread.dylib 0x7ff8020a64e1 _pthread_start + 125
9 libsystem_pthread.dylib 0x7ff8020a1f6b thread_start + 15

Thread 5:
0 libsystem_kernel.dylib 0x7ff80206c3aa __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x7ff8020a6a6f _pthread_cond_wait + 1249
2 libomp.dylib 0x106a4a068 void __kmp_suspend_64<false, true>(int, kmp_flag_64<false, true>) + 424
3 libomp.dylib 0x106a27288 kmp_flag_64<false, true>::wait(kmp_info, int, void*) + 1528
4 libomp.dylib 0x106a21bcf __kmp_hyper_barrier_release(barrier_type, kmp_info*, int, int, int, void*) + 175
5 libomp.dylib 0x106a260b7 __kmp_fork_barrier(int, int) + 599
6 libomp.dylib 0x1069fb85a __kmp_launch_thread + 298
7 libomp.dylib 0x106a487da __kmp_launch_worker(void*) + 330
8 libsystem_pthread.dylib 0x7ff8020a64e1 _pthread_start + 125
9 libsystem_pthread.dylib 0x7ff8020a1f6b thread_start + 15

Thread 6:
0 libsystem_pthread.dylib 0x7ff8020a1f48 start_wqthread + 0

Thread 7:: pool-spawner
0 libsystem_kernel.dylib 0x7ff80206c3aa __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x7ff8020a6a6f _pthread_cond_wait + 1249
2 libglib-2.0.0.dylib 0x1074c8d7f g_cond_wait + 37
3 libglib-2.0.0.dylib 0x107473277 g_async_queue_pop_intern_unlocked + 99
4 libglib-2.0.0.dylib 0x1074c9d88 g_thread_pool_spawn_thread + 98
5 libglib-2.0.0.dylib 0x1074c914c g_thread_proxy + 77
6 libsystem_pthread.dylib 0x7ff8020a64e1 _pthread_start + 125
7 libsystem_pthread.dylib 0x7ff8020a1f6b thread_start + 15

Thread 8:: gmain
0 libsystem_kernel.dylib 0x7ff802071d1a __select + 10
1 libglib-2.0.0.dylib 0x1074b0968 g_poll + 505
2 libglib-2.0.0.dylib 0x1074a1a6f g_main_context_iterate_unlocked + 391
3 libglib-2.0.0.dylib 0x1074a1b28 g_main_context_iteration + 55
4 libglib-2.0.0.dylib 0x1074a2b1c glib_worker_main + 30
5 libglib-2.0.0.dylib 0x1074c914c g_thread_proxy + 77
6 libsystem_pthread.dylib 0x7ff8020a64e1 _pthread_start + 125
7 libsystem_pthread.dylib 0x7ff8020a1f6b thread_start + 15

Thread 9:: pool-0
0 libsystem_kernel.dylib 0x7ff80206c3aa __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x7ff8020a6aa4 _pthread_cond_wait + 1302
2 libglib-2.0.0.dylib 0x1074c97fd g_cond_wait_until + 120
3 libglib-2.0.0.dylib 0x10747326c g_async_queue_pop_intern_unlocked + 88
4 libglib-2.0.0.dylib 0x1074733e9 g_async_queue_timeout_pop + 56
5 libglib-2.0.0.dylib 0x1074ca826 g_thread_pool_thread_proxy + 295
6 libglib-2.0.0.dylib 0x1074c914c g_thread_proxy + 77
7 libsystem_pthread.dylib 0x7ff8020a64e1 _pthread_start + 125
8 libsystem_pthread.dylib 0x7ff8020a1f6b thread_start + 15

Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x000000010f72b600 rcx: 0x00007ff7ba71c248 rdx: 0x0000000000000000
rdi: 0x0000000000000103 rsi: 0x0000000000000006 rbp: 0x00007ff7ba71c270 rsp: 0x00007ff7ba71c248
r8: 0x0000000000005522 r9: 0x000000000000003f r10: 0x0000000000000000 r11: 0x0000000000000246
r12: 0x0000000000000103 r13: 0x0000000107948d6a r14: 0x0000000000000006 r15: 0x0000000000000016
rip: 0x00007ff80206ffce rfl: 0x0000000000000246 cr2: 0x0000000000000000

Logical CPU: 0
Error Code: 0x02000148
Trap Number: 133

Binary Images:
0x7ff802068000 - 0x7ff80209ffff libsystem_kernel.dylib () <2fe67e94-4a5e-3506-9e02-502f7270f7ef> /usr/lib/system/libsystem_kernel.dylib
0x7ff8020a0000 - 0x7ff8020abfff libsystem_pthread.dylib () <5a5f7316-85b7-315e-baf3-76211ee65604> /usr/lib/system/libsystem_pthread.dylib
0x7ff801f70000 - 0x7ff801ff8fff libsystem_c.dylib () <202d7260-ea46-3956-a471-19c9bcf45274> /usr/lib/system/libsystem_c.dylib
0x10746b000 - 0x10755efff libglib-2.0.0.dylib () <63acd3df-ef4e-3f78-b2f3-c213ddc5ee31> /Applications/RawTherapee.app/Contents/Frameworks/libglib-2.0.0.dylib
0x107597000 - 0x107c0afff libgtk-3.0.dylib () /Applications/RawTherapee.app/Contents/Frameworks/libgtk-3.0.dylib
0x107d8b000 - 0x107eaafff libgtkmm-3.0.1.dylib () <1d196389-bc08-31e0-b384-bc254b772387> /Applications/RawTherapee.app/Contents/Frameworks/libgtkmm-3.0.1.dylib
0x1057de000 - 0x10642dfff com.rawtherapee.RawTherapee (5.12) <1b57f293-e165-3f6d-be7a-bee78627c3cf> /Applications/RawTherapee.app/Contents/MacOS/rawtherapee
0x106971000 - 0x1069acfff libgobject-2.0.0.dylib () /Applications/RawTherapee.app/Contents/Frameworks/libgobject-2.0.0.dylib
0x10f6ab000 - 0x10f716fff dyld () /usr/lib/dyld
0x1069d8000 - 0x106a6ffff libomp.dylib (*) <0d9aecfa-7433-3bb8-8c90-6f0b733dc99d> /Applications/RawTherapee.app/Contents/Frameworks/libomp.dylib

External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 0
thread_create: 0
thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=916.7M resident=0K(0%) swapped_out_or_unallocated=916.7M(100%)
Writable regions: Total=621.9M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=621.9M(100%)

                            VIRTUAL   REGION

REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Activity Tracing 256K 1
CG image 4K 1
ColorSync 204K 23
CoreGraphics 4K 1
IOKit 7940K 1
Kernel Alloc Once 8K 1
MALLOC 324.6M 81
MALLOC guard page 16K 3
MALLOC_LARGE (reserved) 5848K 2 reserved VM address space (unallocated)
MALLOC_NANO (reserved) 256.0M 1 reserved VM address space (unallocated)
STACK GUARD 56.0M 10
Stack 35.1M 10
VM_ALLOCATE 16K 4
__CTF 756 1
__DATA 18.1M 343
__DATA_CONST 16.2M 231
__DATA_DIRTY 534K 97
__FONT_DATA 4K 1
__LINKEDIT 663.5M 69
__OBJC_RO 82.9M 1
__OBJC_RW 3200K 2
__TEXT 253.2M 373
__UNICODE 592K 1
dyld private memory 1024K 1
mapped file 64.6M 23
shared memory 768K 16
=========== ======= =======
TOTAL 1.7G 1298
TOTAL, minus reserved VM space 1.5G 1298

Full Report

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{
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“procLaunch” : “2026-07-10 17:56:07.9271 +0200”,
“procRole” : “Background”,
“version” : 2,
“userID” : 501,
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“incident” : “54FC80E6-0A2E-4DBA-816E-19D91C3ED9E2”,
“bug_type” : “309”,
“pid” : 2300,
“procExitAbsTime” : 5518086284011,
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“responsiblePid” : 2242,
“responsibleProc” : “gimp”,
“sip” : “disabled”,
“isCorpse” : 1,
“exception” : {“codes”:“0x0000000000000000, 0x0000000000000000”,“rawCodes”:[0,0],“type”:“EXC_CRASH”,“signal”:“SIGABRT”},
“asi” : {“libsystem_c.dylib”:[“abort() called”]},
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Model: MacBookAir7,2, BootROM 489.0.0.0.0, 2 processors, Dual-Core Intel Core i5, 1,6 GHz, 8 GB, SMC 2.27f2
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Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x02FE, 0x000000000000000000000000000000000000
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USB Device: USB30Bus
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USB Device: Wireless Receiver
Thunderbolt Bus: MacBook Air, Apple Inc., 27.2

yasuo · July 12, 2026, 10:03pm

Hi,
Thank you for your report. I confirmed the problem. I am trying to find the solution, but unfortunately I haven’t found it yet.
In Mac OS, I found following problems.

With command line interface, we cannot start RawTherapee UI version specifying reading file.
RawTherapee will be crashed in CLI, when we try to start it from subprocess of Python.

These problems are not found in RT Linux version or ART Mac OS version.
I will continue to try to find the solution, however it may take time.

yasuo · July 12, 2026, 11:27pm

I also found that the GIMP built-in RawTherapee importer is not executable in Mac OS.

Francesco_Aloisio · July 13, 2026, 6:33am

Thanks anyway. There are many issues with Macs, and I fully understand the difficulties. I really appreciate your work. Best regards.