Just installed 3.0.0 for Mac (OSX 13.7.4 Ventura). When I try to change brushes while using the Eraser tool, GIMP will crash. I have recreated this behavior several times now. If I can't get a workaround I'll have to revert to 2.1. 

Process:               gimp [2518]
Path:                  /Applications/GIMP.app/Contents/MacOS/gimp
Identifier:            org.gimp.gimp-3.0
Version:               3.0.0 (3.0.0)
Code Type:             X86-64 (Native)
Parent Process:        launchd [1]
User ID:               501

Date/Time:             2025-03-22 05:46:33.5432 -0500
OS Version:            macOS 13.7.4 (22H420)
Report Version:        12
Anonymous UUID:        2FA15BE3-22FD-B42D-8C42-CEB1F83EFB71


Time Awake Since Boot: 50000 seconds

System Integrity Protection: enabled

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

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       UNKNOWN_0xD at 0x0000000000000000
Exception Codes:       0x000000000000000d, 0x0000000000000000

Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11
Terminating Process:   exc handler [2518]

VM Region Info: 0 is not in any region.  Bytes before following region: 4400332800
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      __TEXT                      10647c000-10692a000    [ 4792K] r-x/r-x SM=COW  ...ts/MacOS/gimp

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   gimp                                 0x1067af697 gimp_editor_set_name + 77 (gimpeditor.c:819)
1   gimp                                 0x10677cda4 gimp_container_editor_select_items + 132 (gimpcontainereditor.c:471)
2   libffi.8.dylib                       0x106d88db2 ffi_call_unix64 + 82
3   libffi.8.dylib                       0x106d886b3 ffi_call_int + 693
4   libffi.8.dylib                       0x106d883da ffi_call + 230
5   libgobject-2.0.0.dylib               0x1072ce3a2 g_cclosure_marshal_generic + 559 (gclosure.c:1537)
6   libgobject-2.0.0.dylib               0x1072cd9ff g_closure_invoke + 201 (gclosure.c:833)
7   libgobject-2.0.0.dylib               0x1072e4e34 signal_emit_unlocked_R + 2279 (gsignal.c:3975)
8   libgobject-2.0.0.dylib               0x1072e37a8 signal_emit_valist_unlocked + 1770 (gsignal.c:3547)
9   libgobject-2.0.0.dylib               0x1072e309d g_signal_emit_valist + 52 (gsignal.c:3277)
10  libgobject-2.0.0.dylib               0x1072e3fc8 g_signal_emit + 120 (gsignal.c:3597)
11  gimp                                 0x106784fad gimp_container_view_multi_selected + 100 (gimpcontainerview.c:677)
12  gimp                                 0x10677dd1b gimp_container_icon_view_selection_changed + 160 (gimpcontainericonview.c:607)
13  libgobject-2.0.0.dylib               0x1072cdbc3 _g_closure_invoke_va + 214 (gclosure.c:896)
14  libgobject-2.0.0.dylib               0x1072e3ad0 signal_emit_valist_unlocked + 2578 (gsignal.c:3438)
15  libgobject-2.0.0.dylib               0x1072e309d g_signal_emit_valist + 52 (gsignal.c:3277)
16  libgobject-2.0.0.dylib               0x1072e3fc8 g_signal_emit + 120 (gsignal.c:3597)
17  libgtk-3.0.dylib                     0x1087563c9 gtk_icon_view_button_press + 1005
18  libgtk-3.0.dylib                     0x108643f30 _gtk_marshal_BOOLEAN__BOXED + 124
19  libgobject-2.0.0.dylib               0x1072cd9ff g_closure_invoke + 201 (gclosure.c:833)
20  libgobject-2.0.0.dylib               0x1072e4ce4 signal_emit_unlocked_R + 1943 (gsignal.c:3942)
21  libgobject-2.0.0.dylib               0x1072e37a8 signal_emit_valist_unlocked + 1770 (gsignal.c:3547)
22  libgobject-2.0.0.dylib               0x1072e309d g_signal_emit_valist + 52 (gsignal.c:3277)
23  libgobject-2.0.0.dylib               0x1072e3fc8 g_signal_emit + 120 (gsignal.c:3597)
24  libgtk-3.0.dylib                     0x10889cd06 gtk_widget_event_internal + 252
25  libgtk-3.0.dylib                     0x10877b90f propagate_event + 363
26  libgtk-3.0.dylib                     0x10877acc4 gtk_main_do_event + 958
27  libgdk-3.0.dylib                     0x107eb6411 _gdk_event_emit + 49
28  libgdk-3.0.dylib                     0x107eda347 gdk_event_dispatch + 50
29  libglib-2.0.0.dylib                 0x1074bb52b g_main_dispatch + 228 (gmain.c:3398) [inlined]
30  libglib-2.0.0.dylib                 0x1074bb52b g_main_context_dispatch_unlocked + 262 (gmain.c:4249)
31  libglib-2.0.0.dylib                 0x1074bb846 g_main_context_iterate_unlocked + 488 (gmain.c:4314)
32  libglib-2.0.0.dylib                 0x1074bb8a2 g_main_context_iteration + 55 (gmain.c:4379)
33  libgio-2.0.0.dylib                   0x1079774bf g_application_run + 528 (gapplication.c:2715)
34  gimp                                 0x10681cce3 app_run + 478 (app.c:324)
35  gimp                                 0x1064876dc main + 1156 (main.c:787)
36  dyld                              0x7ff813ee8418 start + 1896

Thread 1:: worker
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff814243758 _pthread_cond_wait + 1242
2   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait_impl + 24 (gthread-posix.c:446) [inlined]
3   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait + 37 (gthread.c:1683)
4   libgegl-0.4.0.dylib                 0x1075e7560 gegl_parallel_distribute_thread_func + 138 (gegl-parallel.c:508)
5   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
6   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
7   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 2:: worker
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff814243758 _pthread_cond_wait + 1242
2   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait_impl + 24 (gthread-posix.c:446) [inlined]
3   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait + 37 (gthread.c:1683)
4   libgegl-0.4.0.dylib                 0x1075e7560 gegl_parallel_distribute_thread_func + 138 (gegl-parallel.c:508)
5   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
6   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
7   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 3:: worker
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff814243758 _pthread_cond_wait + 1242
2   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait_impl + 24 (gthread-posix.c:446) [inlined]
3   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait + 37 (gthread.c:1683)
4   libgegl-0.4.0.dylib                 0x1075e7560 gegl_parallel_distribute_thread_func + 138 (gegl-parallel.c:508)
5   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
6   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
7   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 4:: gmain
0   libsystem_kernel.dylib            0x7ff81420d222 __select + 10
1   libglib-2.0.0.dylib                 0x1074ca4a1 g_poll + 505 (gpoll.c:574)
2   libglib-2.0.0.dylib                 0x1074bb7e6 g_main_context_poll_unlocked + 35 (gmain.c:4641) [inlined]
3   libglib-2.0.0.dylib                 0x1074bb7e6 g_main_context_iterate_unlocked + 392 (gmain.c:4309)
4   libglib-2.0.0.dylib                 0x1074bb8a2 g_main_context_iteration + 55 (gmain.c:4379)
5   libglib-2.0.0.dylib                 0x1074bc88c glib_worker_main + 30 (gmain.c:6578)
6   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
7   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
8   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 5:: async
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff814243758 _pthread_cond_wait + 1242
2   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait_impl + 24 (gthread-posix.c:446) [inlined]
3   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait + 37 (gthread.c:1683)
4   gimp                                 0x106491543 gimp_parallel_run_async_thread_func(GimpParallelRunAsyncThread*) + 206 (gimp-parallel.cc:377)
5   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
6   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
7   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 6:: pool-spawner
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff814243758 _pthread_cond_wait + 1242
2   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait_impl + 24 (gthread-posix.c:446) [inlined]
3   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait + 37 (gthread.c:1683)
4   libglib-2.0.0.dylib                 0x10748cabd g_async_queue_pop_intern_unlocked + 99 (gasyncqueue.c:375)
5   libglib-2.0.0.dylib                 0x1074e36d1 g_thread_pool_spawn_thread + 98 (gthreadpool.c:297)
6   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
7   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
8   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 7:: com.apple.NSEventThread
0   libsystem_kernel.dylib            0x7ff814204552 mach_msg2_trap + 10
1   libsystem_kernel.dylib            0x7ff8142126cd mach_msg2_internal + 78
2   libsystem_kernel.dylib            0x7ff81420b584 mach_msg_overwrite + 692
3   libsystem_kernel.dylib            0x7ff81420483a mach_msg + 19
4   CoreFoundation                    0x7ff81431efdf __CFRunLoopServiceMachPort + 145
5   CoreFoundation                    0x7ff81431da60 __CFRunLoopRun + 1365
6   CoreFoundation                    0x7ff81431cea1 CFRunLoopRunSpecific + 560
7   AppKit                            0x7ff81751bf55 _NSEventThread + 132
8   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
9   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 8:: [pango] fontcon
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff814243758 _pthread_cond_wait + 1242
2   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait_impl + 24 (gthread-posix.c:446) [inlined]
3   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait + 37 (gthread.c:1683)
4   libglib-2.0.0.dylib                 0x10748cabd g_async_queue_pop_intern_unlocked + 99 (gasyncqueue.c:375)
5   libglib-2.0.0.dylib                 0x10748ca29 g_async_queue_pop + 40 (gasyncqueue.c:409)
6   libpangoft2-1.0.0.dylib             0x106e65645 fc_thread_func + 42 (pangofc-fontmap.c:963)
7   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
8   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
9   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 9:
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff814243758 _pthread_cond_wait + 1242
2   libgdk-3.0.dylib                     0x107edacd3 select_thread_func + 87
3   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
4   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 10:: pool-2
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff81424378d _pthread_cond_wait + 1295
2   libglib-2.0.0.dylib                 0x1074e313d g_cond_wait_until_impl + 98 (gthread-posix.c:494) [inlined]
3   libglib-2.0.0.dylib                 0x1074e313d g_cond_wait_until + 120 (gthread.c:1779)
4   libglib-2.0.0.dylib                 0x10748cab2 g_async_queue_pop_intern_unlocked + 88 (gasyncqueue.c:378)
5   libglib-2.0.0.dylib                 0x10748cc2f g_async_queue_timeout_pop + 56 (gasyncqueue.c:501)
6   libglib-2.0.0.dylib                 0x1074e418c g_thread_pool_wait_for_new_pool + 65 (gthreadpool.c:169) [inlined]
7   libglib-2.0.0.dylib                 0x1074e418c g_thread_pool_thread_proxy + 308 (gthreadpool.c:394)
8   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
9   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
10  libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 11:: swap writer
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff814243758 _pthread_cond_wait + 1242
2   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait_impl + 24 (gthread-posix.c:446) [inlined]
3   libglib-2.0.0.dylib                 0x1074e26a6 g_cond_wait + 37 (gthread.c:1683)
4   libgegl-0.4.0.dylib                 0x107616d65 gegl_tile_backend_swap_writer_thread + 84 (gegl-tile-backend-swap.c:698)
5   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
6   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
7   libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 12:: pool-11
0   libsystem_kernel.dylib            0x7ff81420708e __psynch_cvwait + 10
1   libsystem_pthread.dylib          0x7ff81424378d _pthread_cond_wait + 1295
2   libglib-2.0.0.dylib                 0x1074e313d g_cond_wait_until_impl + 98 (gthread-posix.c:494) [inlined]
3   libglib-2.0.0.dylib                 0x1074e313d g_cond_wait_until + 120 (gthread.c:1779)
4   libglib-2.0.0.dylib                 0x10748cab2 g_async_queue_pop_intern_unlocked + 88 (gasyncqueue.c:378)
5   libglib-2.0.0.dylib                 0x10748cc2f g_async_queue_timeout_pop + 56 (gasyncqueue.c:501)
6   libglib-2.0.0.dylib                 0x1074e418c g_thread_pool_wait_for_new_pool + 65 (gthreadpool.c:169) [inlined]
7   libglib-2.0.0.dylib                 0x1074e418c g_thread_pool_thread_proxy + 308 (gthreadpool.c:394)
8   libglib-2.0.0.dylib                 0x1074e2a6d g_thread_proxy + 77 (gthread.c:890)
9   libsystem_pthread.dylib          0x7ff8142431d3 _pthread_start + 125
10  libsystem_pthread.dylib          0x7ff81423ebd3 thread_start + 15

Thread 13:
0   libsystem_pthread.dylib          0x7ff81423ebb0 start_wqthread + 0

Thread 14:
0   libsystem_pthread.dylib          0x7ff81423ebb0 start_wqthread + 0

Thread 15:
0   libsystem_pthread.dylib          0x7ff81423ebb0 start_wqthread + 0


Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x00006000035d0600  rbx: 0x000060000343b080  rcx: 0xaaaaaaaaaaaaaaaa  rdx: 0x0000000000000005
  rdi: 0x0000600003505c80  rsi: 0x0000600002843de0  rbp: 0x00007ff7b9a82470  rsp: 0x00007ff7b9a82460
   r8: 0x00007ff7b9a821b0   r9: 0x0000000106833308  r10: 0x0000000000000000  r11: 0x00005ffefcc07d92
  r12: 0x00000000000000c0  r13: 0x00007ff7b9a825f0  r14: 0x00007fda192d80e0  r15: 0x00006000035baf80
  rip: 0x00000001067af697  rfl: 0x0000000000010286  cr2: 0x0000000000000000
  
Logical CPU:     0
Error Code:      0x00000000 
Trap Number:     13

The toolbox is "slaved", for want of a better word, to the first image opened, whatever that image may be. If I move the image window, the toolbox moves with it. I am in multi image mode; I've checked. If I activate a different image and click on a tool (or anything in the toolbox) the first image becomes active and jumps to the top. The effect of this is that I can really only work on one image at a time. Work effectively, that is. I'm probably just missing a new setting or something.

GIMP 3.0.0 (Mac)
Mac OS 13.7.4 Ventura

Hey there, excited to try out the new features.
Unfortunately, there seems to be a problem: No matter what I try, it seems like 3.0 simply refuses to use pressure sensitivity.
However, when I switch to 2.10, it works (almost) flawlessly.

My computer uses:

• Windows 11
  
• Cintiq 22HD (2012 model)
  

• \??\Microsoft HID RID\000D_0002\0 Eraser (Not greyed out)
  - Source/Tool type: eraser
  - Vendor/Product ID: (none)
  - Tool serial/hardware ID: 0
  
  
• \??\Microsoft HID RID\000D_0002\0 Pen stylus (Not greyed out)
  - Source/Tool type: pen
  - Vendor/Product ID: (none)
  - Tool serial/hardware ID: 0
  
  
• System Aggregated Pointer (Not greyed out)
  (omitted)
  
  
• Tablet Cintiq 22HD Tablet Eraser
  - Source/Tool type: eraser
  - Vendor ID: 056a
  - Product ID: 00fa
  - Tool serial/hardware ID: 0
  
  
• Tablet Cintiq 22HD Tablet Pen Stylus
  - Source/Tool type: pen
  - Vendor ID: 056a
  - Product ID: 00fa
  - Tool serial/hardware ID: 0
  
  

• Core Pointer
  
• WACOM Tablet Eraser
  
• WACOM Tablet Pressure Stylus
  

• Uses "Screen" mode
  
• Shows the "Axes" widget with 6 items (mouse lists "none" for all but the items labelled X and Y)
  
• Shows a curve editor when the Pressure axis is selected.
  

• Restarting GIMP after using the stylus to draw a stroke. (This fixes 2.10 but not 3.0.)
  
• Switching input APIs. (Wintab, Windows Ink)
  
• Updating WACOM drivers and restarting.
  
• Unplugging and replugging the tablet into a different USB port.
  
• Enabling/Disabling "Pressure Compatability" in the driver software under Wacom Tablet Properties > Options...
  
• Enabling/Disabling "Use Windows Ink" in the driver software.
  
  
• In the Configure Input Devices dialog, removing all of the greyed out devices. (This was a recommended fix for earlier versions of GIMP.)
  
• Various combinations of the above while restarting GIMP.
  

Hello ! I got a question about a Python plugin (&I hope i'm in the good subsection for that...).

I've been using the AddonCollectionManager in Gimp 2.14 before turning to Gimp 3, I got quite a lot of brushes/patterns/fonts, so this was extremely useful.
But with the change to Python 3 in Gimp 3, it's logical that this plugin is no longer working (plus it's quite old, from the script itself it seems that it's from 2013 & based on GURM ?).

I've seen that @[b]Ofnuts [/b]has worked on it for a rewrite & clean up in 2013, but is there any hope for someone to try making it work in Gimp 3 ?
I could try my hand at it, but I'm not familiar at all with Python, So that could be quite the journey here ^^°

(BTW, Thanks a lot for the plugins I can find here, there's a lot of things to try !)

I have a new laptop, installed Windows 11 with the Media Creation tool, and installed Gimp 3.0 with the binary from the website @ https://download.gimp.org/gimp/v3.0/wind...etup-1.exe

I have a *local* user - no Windows Live accounts - and it has administrative privileges.  When using the installation wizard, I had it install for all users.

When trying to launch either gimp.exe or within Explorer, right clicking image, Open With, Gimp the ps shows up as a background ps in Task Manager.  Gimp never launches.

However, if I launch gimp.exe as administrator (through Explorer) it does start - note it takes a LOT longer than expected, at least 3-5 minutes.  Everything else on the laptop is fast (decent cpu, nvme drive, 32GB memory, etc on a Thinkpad T15).

as if I have no idea wth is going on.

I waited patiently for about 40 years for Gimp 3.0 to arrive, with high expectations of image altering bliss as the ultimate reward.  I thought once 3.0 was released, things like plugins and scripts that were re-designed specifically for 3.0 would work flawlessly.  

It's confusing to me, a user of Linux Mint, as to what exactly is the proper way to make the Debian based AppImage provided by Gimp.com to do much of anything correctly.  Are there "Debian based" plugins for extensions like Resynthesizer and G'Mic and Beautify while using the AppImage?  I ask this because none of these plugins, which have already been altered to work with my version of the Gimp 3.0 AppImage, work with the Gimp 3.0 AppImage supplied by Gimp.org.

Is this because I'm using Linux Mint, an Ubuntu based version of Linux, instead of Debian?  I can download the official Gimp 3.0 AppImage and things like Render/Fractals/Fractal Explore throw up errors and will not work right out of the box.

I have to get Rich to modify Gimp 3.0 AppImage plugins to make them work; they don't work with the official Debian based AppImage.  Thanks a million for that, btw, Rich.

Will there be a time when I can just download the AppImage on Gimp.org's site and get any plugin already Gimp 3.0 modified to work properly or will they always have to be specifically modified to work with Ubuntu/Linux Mint also?

Lastly, I don't even know if what I'm saying makes sense.  Someone make it make sense for me.

   
Just updated to the new 3.0.0.1 just wonderg what does this mean in the tool panel on the right "layers"

I'm a fairly new "GIMP" user (former PhotoShopper). I just finished my first "job", a pattern for cutting out a violin (Stradivarius ; "Messiah"). The pattern wasn't too hard to make, but it is larger than one A4 sheet of paper. Having read about the issues of others trying to print out larger pieces, I split my pattern in 2 halves and created two separate works to print out (and tape together afterwards). It worked fine.... except, the finished piece which should be exactly 358 mm long prints out to a total of 335 mm. There's nothing missing in the printout, it's just smaller than the image I created and measured multiple times with the measuring tool. Margins don't come into play as each half is far from any margins on the paper. Basically, it simply doesn't print out to match the dimensions that are showing both on the ruler guides and with the measuring tool. Any ideas of why it would be reduced? Thanks

Hi everyone! 
I'm having some issues with the color of my images, hope someone can help me. 
I have basic knowledge of G.I.M.P., but I have been able to use it for a while without issues until now.

The issue is when I import an image (.png) the color is completely different from what it's supposed to be, for example a bright blue logo appears grey once imported, and I have to select some pretty extreme settings in the color filters to change it back to what it's supposed to be.

I used to be able to import any image (as well as this same logo on other projects) normally before and never had an issue, but I recently started to see this change in the 2.10 version, so I updated it to the 3.0 version to see if that fixed it, but I still get the same issue. 
Also, I'm saving my project, and when I reopen it, some of the images appear distorted for some reason.

Any idea what might be happening? Is this a bug, or some setting I'm overlooking? Thanks!

Hi All,

I just downloaded GIMP 3.0 but am experiencing a bug where when I right click to access options the menu only partially display. Is anyone getting this or know a fix for this? It also happens with some click menus. I also cannot scroll though to see other options in the corrupted menu.

Examples: 

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