Memory leak using Crop tool
After adjusting the area to crop (gimp-2.10), valgrind reports several:
==29132== 832 bytes in 26 blocks are definitely lost in loss record 50,490 of 51,768
==29132== at 0x483880B: malloc (vg_replace_malloc.c:309)
==29132== by 0x514985A: cairo_region_create_rectangle (cairo-region.c:335)
==29132== by 0x553188: gimp_canvas_rectangle_get_extents (gimpcanvasrectangle.c:276)
==29132== by 0x59D1F5: gimp_canvas_passe_partout_get_extents (gimpcanvaspassepartout.c:169)
==29132== by 0x54DA0D: gimp_canvas_item_begin_change (gimpcanvasitem.c:473)
==29132== by 0x55E64F: gimp_display_shell_set_highlight (gimpdisplayshell.c:1908)
==29132== by 0x58CD5F: gimp_tool_rectangle_changed (gimptoolrectangle.c:1394)
==29132== by 0x569AE71: g_closure_invoke (gclosure.c:810)
==29132== by 0x56ADE20: signal_emit_unlocked_R (gsignal.c:3565)
==29132== by 0x56B6ADD: g_signal_emit_valist (gsignal.c:3391)
==29132== by 0x56B7141: g_signal_emit (gsignal.c:3447)
==29132== by 0x569EB92: g_object_notify_queue_thaw (gobject.c:295)