* 'master' of https://github.com/rs/SDWebImage:
Bumped version to 4.3.1
update CHANGELOG
Create a subclass of NSCache using a weak cache. Only remove the cache when memory warning and sync back the alive instance from weak cache into cache.
# Conflicts:
# SDWebImage/SDImageCache.m
* 'master' of https://github.com/rs/SDWebImage:
Fix CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF warning
Disable travis-ci email notification
Fix prefetcher test to first clear the disk cache, and manager test to only fulfill the finished one
Improve the travis-ci to not clean the build for dynamic framework to speed up the demo build
Create a subclass of NSBitmapImageRep to fix the GIF frame duration issue on macOS
Use lock instead of barrier queue to keep callbacks block thread-safe
Decode the image in the operation level's queue instead of URLSession delegate queue. Because URLSession delegate queue is a barrier queue and shared between different operations
Expose the read write to FLAnimatedImage associate to the UIImage to allow advanced feature like placeholder
Fix that SDImageCacheQueryDataWhenInMemory should response cacheType to memory cache when the in-memory cache hit (#2218)
Update the docs
Improvement download operation for priority and some protect (#2208)
Update the readme about macOS minimum deployment target version
Fix the macOS wrong minimum deployment target version to 10.9. And also fix the warning on Xcode 9 by enable more warning options
# Conflicts:
# SDWebImage.podspec
# SDWebImage.xcodeproj/project.pbxproj
# SDWebImage/SDImageCache.m
# SDWebImage/SDWebImageDownloaderOperation.m
# SDWebImage/SDWebImageFrame.h
* Add a cache check for 304 response when using NSURLCache
* Remove the extra cost to nil the imageData because at this time operation is already been cancelled or done
* Fix download operation may not marked as finished when data task create failed
* A little code reorder
* Adopt the priority options to change URLSessionTask's priority
* 'master' of https://github.com/rs/SDWebImage:
Bumped version to 4.3.0
update CHANGELOG
Update the readme
Update the readme and issue template
Use a lock to ensure headers mutable dictionary thread-safe
Do not hard-code cache policy. Use SDWebImageDownloaderUseNSURLCache to check
Use the correct way to specify cancel if the response status code is invalid.
Ensure all the session delegate completionHandler called. Fix the leak when response error code below iOS 10
Fix the issue that prefetcher will cause stack overflow is the input urls list is huge because of recursion function call
Update the comments for image transition
Expose the associate FLAnimatedImage to user for advanced usage. Update the comments
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