Not sure if any of this helps...
Date/Time: 2020-03-25 15:47:03 -0700
End time: 2020-03-25 15:47:19 -0700
OS Version: Mac OS X 10.15.4 (Build 19E266)
Architecture: x86_64h
Report Version: 29
Data Source: Stackshots
Shared Cache: 0x678f000 1AA38D3C-DC7A-3725-818F-D2D95E93CCE9
Command: Affinity Designer
Path: /Applications/Affinity Designer.app/Contents/MacOS/Affinity Designer
Identifier: com.seriflabs.affinitydesigner
Version: 1.8.2 (1.8.5)
Parent: launchd [1]
PID: 1969
Event: hang
Duration: 16.01s
Duration Sampled: 1.59s (process was unresponsive for 14 seconds before sampling)
Steps: 16 (100ms sampling interval)
Hardware model: MacBookPro16,1
Active cpus: 16
Time Awake Since Boot: 1000s
--------------------------------------------------
Timeline format: stacks are sorted chronologically
Use -i and -heavy to re-report with count sorting
--------------------------------------------------
Heaviest stack for the main thread of the target process:
16 ??? (Affinity Designer + 5956) [0x109e4e744]
16 NSApplicationMain + 777 (AppKit + 12278) [0x7fff30b8eff6]
16 -[NSApplication run] + 658 (AppKit + 201198) [0x7fff30bbd1ee]
16 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1352 (AppKit + 259296) [0x7fff30bcb4e0]
16 _DPSNextEvent + 883 (AppKit + 265369) [0x7fff30bccc99]
16 _BlockUntilNextEventMatchingListInModeWithFilter + 64 (HIToolbox + 193913) [0x7fff32581579]
16 ReceiveNextEventCommon + 359 (HIToolbox + 194292) [0x7fff325816f4]
16 RunCurrentEventLoopInMode + 292 (HIToolbox + 195261) [0x7fff32581abd]
16 CFRunLoopRunSpecific + 462 (CoreFoundation + 532478) [0x7fff3394dffe]
16 __CFRunLoopRun + 874 (CoreFoundation + 534981) [0x7fff3394e9c5]
16 __CFRunLoopDoObservers + 457 (CoreFoundation + 537639) [0x7fff3394f427]
16 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23 (CoreFoundation + 537845) [0x7fff3394f4f5]
16 ___NSRunLoopObserverCreateWithHandler_block_invoke + 41 (AppKit + 9435472) [0x7fff3148b950]
16 __62+[CATransaction(NSCATransaction) NS_setFlushesWithDisplayLink]_block_invoke + 266 (AppKit + 1968641) [0x7fff30d6ca01]
16 CA::Transaction::commit() + 644 (QuartzCore + 8964) [0x7fff3f40d304]
16 CA::Context::commit_transaction(CA::Transaction*, double) + 334 (QuartzCore + 14102) [0x7fff3f40e716]
16 CA::Layer::display_if_needed(CA::Transaction*) + 757 (QuartzCore + 152681) [0x7fff3f430469]
16 -[CAOpenGLLayer _display] + 580 (QuartzCore + 790660) [0x7fff3f4cc084]
16 CAOpenGLLayerDraw(CAOpenGLLayer*, double, CVTimeStamp const*, unsigned int) + 304 (QuartzCore + 791439) [0x7fff3f4cc38f]
16 -[TiledCAOpenGLLayer copyCGLPixelFormatForDisplayMask:] + 2533 (libcocoaui + 22813253) [0x10bfdea45]
16 CGLChoosePixelFormat + 85 (OpenGL + 36325) [0x7fff3e446de5]
16 ??? (OpenGL + 39068) [0x7fff3e44789c]
16 ??? (OpenGL + 25569) [0x7fff3e4443e1]
16 cglBadApplicationNotMuxAwareLockDown + 45 (OpenGL + 25249) [0x7fff3e4442a1]
16 ??? (OpenGL + 23196) [0x7fff3e443a9c]
16 IOServiceOpen + 39 (IOKit + 13304) [0x7fff366be3f8]
16 io_service_open_extended + 137 (IOKit + 13458) [0x7fff366be492]
16 mach_msg_trap + 10 (libsystem_kernel.dylib + 3578) [0x7fff6d83fdfa]
*16 hndl_mach_scall64 + 22 (kernel + 819750) [0xffffff80002c8226]
*16 mach_call_munger64 + 517 (kernel + 2303493) [0xffffff8000432605]
*16 mach_msg_overwrite_trap + 722 (kernel + 1133218) [0xffffff8000314aa2]
*16 ipc_kmsg_send + 309 (kernel + 1039557) [0xffffff80002fdcc5]
*16 ipc_kobject_server + 568 (kernel + 1209128) [0xffffff8000327328]
*16 ??? (kernel + 2135665) [0xffffff8000409671]
*16 is_io_service_open_extended + 297 (kernel + 8769961) [0xffffff8000a5d1a9]
*16 ??? (AppleMuxControl2 + 34840) [0xffffff7f81b36818]
*16 IOWorkLoop::runAction(int (*)(OSObject*, void*, void*, void*, void*), OSObject*, void*, void*, void*, void*) + 62 (kernel + 8573694) [0xffffff8000a2d2fe]
*16 ??? (AppleMuxControl2 + 34700) [0xffffff7f81b3678c]
*16 ??? (AppleMuxControl2 + 36562) [0xffffff7f81b36ed2]
*16 ??? (AppleMuxControl2 + 36789) [0xffffff7f81b36fb5]
*16 ??? (AppleMuxControl2 + 58849) [0xffffff7f81b3c5e1]
*16 ??? (AppleMuxControl2 + 4586) [0xffffff7f81b2f1ea]
*16 IOEventSource::sleepGate(void*, unsigned int) + 75 (kernel + 8578795) [0xffffff8000a2e6eb]
*16 IOGraphicsSystemWorkLoop::sleepGate(void*, unsigned int) + 9 (IOGraphicsFamily + 139137) [0xffffff7f813d6f81]
*16 IOGraphicsWorkLoop::sleepGate(void*, unsigned int) + 100 (IOGraphicsFamily + 36532) [0xffffff7f813bdeb4]
*16 lck_mtx_sleep + 112 (kernel + 1255424) [0xffffff8000332800]
*16 thread_block_reason + 175 (kernel + 1317935) [0xffffff8000341c2f]
*16 ??? (kernel + 1324017) [0xffffff80003433f1]
*16 machine_switch_context + 200 (kernel + 2388456) [0xffffff80004471e8]
Process: Affinity Designer [1969]
UUID: 209ACC73-0283-313D-B608-678A4B81B71C
Path: /Applications/Affinity Designer.app/Contents/MacOS/Affinity Designer
Architecture: x86_64
Parent: launchd [1]
UID: 501
Footprint: 1178.66 MB
Start time: 2020-03-25 15:47:18 -0700
End time: 2020-03-25 15:47:19 -0700
Num samples: 16 (1-16)
CPU Time: <0.001s (527.8K cycles, 203.2K instructions, 2.60c/i)
Note: Unresponsive for 14 seconds before sampling
Note: 4 idle work queue threads omitted