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On iOS 14 I am using this format to get QR code correctly recognised and subject + body transferred to new email message: mailto:__@_?subject=Hello&body On iOS 15 this doesn't work. Is there a new format to use?

Since macOS Catalina I started to get report I can't reproduce but I know where is it crashing.Register rsi has following selector in memory:_controlStopTracking:at:inView:mouseIsUp:SEGV_MAPERR has address 0x000059b575cd55f8 which is a result of 0x000059b575cd55e0+0x18AppKit where it crashes:if (*(int8_t *)(var_90 + 0x18) != 0x0) { [r14 _controlStopTracking:r15 at:sign_extend_64(*(int8_t *)(var_70 + 0x18)) inView:r8 mouseIsUp:r9]; }https://imgur.com/a/pXro4QFReports are coming from multiple systems/languages and I can't simulate the crash.How to report this or what can I do more (debugging)?Exception Type: SIGSEGV Exception Codes: SEGV_MAPERR at 0x59b575cd55f8 Crashed Thread: 0 Thread 0 Crashed: 0 libobjc.A.dylib 0x00007fff64e2501d objc_msgSend + 29 1 AppKit 0x00007fff2c098af0 NSControlTrackMouse + 1491 2 AppKit 0x00007fff2c0984f4 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 129 3 AppKit 0x00007fff2c5d92b5 -[NSStepperCell trackMouse:inRect:ofView:untilMouseUp:] + 161 4 AppKit 0x00007fff2c3c86c4 -[NSDatePickerCell(NSTextFieldWithStepperDatePickerInternal) _textFieldWithStepperTrackMouse:inRect:ofView:untilMouseUp:] + 391 5 AppKit 0x00007fff2c097733 -[NSControl mouseDown:] + 747 6 AppKit 0x00007fff2c095b0d -[NSWindow(NSEventRouting) _handleMouseDownEvent:isDelayedEvent:] + 4906 7 AppKit 0x00007fff2bfffc5c -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 2611 8 AppKit 0x00007fff2bfff005 -[NSWindow(NSEventRouting) sendEvent:] + 348 9 AppKit 0x00007fff2bffd37c -[NSApplication(NSEvent) sendEvent:] + 351 10 AppKit 0x00007fff2be490cf -[NSApplication run] + 706 11 AppKit 0x00007fff2be1b465 NSApplicationMain + 776 12 Dynaper 0x00000001071d9199 main (receigen.h:5142) 13 libdyld.dylib 0x00007fff6619f7fd start + 0Thread 0 crashed with x86_64 Thread State: rflags: 0x0000000000010202 rax: 0x00007ffee8a765e8 rdi: 0x00006000018e55e0 r14: 0x00006000018e55e0 rsi: 0x00007fff2cadb39d r8: 0x0000000000000091 rdx: 0x00007f9e6cd39f10 r10: 0x000059b575cd55e0 cs: 0x000000000000002b fs: 0x0000000000000000 r9: 0x00000000000007fb r15: 0x00007f9e6cd39f10 rbx: 0x0000000000000000 r11: 0x00007fff2cadb39d rip: 0x00007fff64e2501d rbp: 0x00007ffee8a766b0 gs: 0x0000000000000000 rsp: 0x00007ffee8a76468 r12: 0x000060000088dd40 rcx: 0x0000000000000000 r13: 0x00006000018e45b0

I am trying to use non-bordered pull down NSPopupButton in toolbar. The problem is the highlight which results in burning of the image. There is no burning when the NSPopupButton is bordered (however i have to subclass heavily to get the same effect). I tried to set numerous cell properties without effect. The only solution I have is to draw a substitute cell which has the same effect.How to draw the highlight the same way the NSButtonCell is doing@interface ToolbarPopUpButtonCell : NSPopUpButtonCell @end@implementation ToolbarPopUpButtonCell- (void)drawImageWithFrame:(NSRect)cellFrame inView:(NSView *)controlView { NSImage *image = [self image]; NSButtonCell *buttonCell = [[NSButtonCell alloc] initImageCell:image]; [buttonCell setHighlighted:[self isHighlighted]]; [buttonCell drawImage:image withFrame:cellFrame inView:controlView]; }@endExample (left - burning effect, right - nicer overlay)https://i.stack.imgur.com/13rUe.png

I have noticed that the new Mojave wallpaper under macOS Catalina has been re-encoded for larger resolution and according to metadata it support tiles. I can drag out single TIFF images from preview and more info still shows the tile support for individual TIFF files. However, when I try to recreate HEIC file from those TIFF files I lose tile support. How to create HEIC image with tile support?NSMutableData *mData = [NSMutableData data]; CGImageDestinationRef destination; destination = CGImageDestinationCreateWithData((CFMutableDataRef)mData, (CFStringRef)AVFileTypeHEIC, numberOfImages,NULL); NSDictionary *options = @{(id)kCGImageDestinationLossyCompressionQuality: @(1.0), (id)kCGImagePropertyTIFFTileWidth : @(1024), //-> no effect (id)kCGImagePropertyTIFFTileLength : @(1024) //-> no effect}; CGImageDestinationAddImageAndMetadata(destination, imageRef, imageMetadata, (CFDictionaryRef)options);