Deprecate `createNewSessionWithConfiguration`, which make downloader not sync with URLSession. If user need to specify sharedDownloader config, just modify the defaultDownloaderConfig instead.
* 'master' of https://github.com/rs/SDWebImage:
Add protect to some Core Graphics methods
Change all UIImage init method to alloc instead of autorelease to immediately release it after usage
Add a option SDWebImageFromCacheOnly to load the image from cache only and prevent network
Update the test for custom operation interface
Use synchronized instead of semaphore in SDWebImageDownloader to make it more easy to understand :)
Use a lock instead of barrier queue to avoid dispatch_sync blocking the main queue on race condition
* 'master' of https://github.com/rs/SDWebImage:
Update the test and description to make it more clear
Fix the issue that `setAnimationImagesWithURLs` weak reference may dealloc before the animated images was set
Fix the strange file permissions issue
Add the SDImageCacheQueryMemoryOnly to specify query memory only
Update the cache options name to make it more clear
Added missing param in storeImage examples
Add a NSProgress property represent the image loading progress, this allow user add KVO on it for complicated logic
* 'master' of https://github.com/rs/SDWebImage:
Adopt the current requirement, change ImageIO coder's canDeocdeFromHEIC to actual implementation
Fix Clang Static Analyzer warning for number nil check from Xcode 9.2
* 'master' of https://github.com/rs/SDWebImage: (25 commits)
When store image with no data for SDImageCache, check whether it contains alpha to use PNG or JPEG format
Fix the way remove all elements from pointer array
Remove some unused code, fix typo, update the comments
Use a weak pointerArray to store the operations for sd_setAnimationImagesWithURLs, avoid extra retain of operation instance
Use a copy-weak maptable for operations stored in UIView(WebCacheOperation) category to avoid retain of operation, and also use lock to keep thread-safe
Fix progressive WebP decoding by creating data provider with actual data size
Add a SDWebImageExternalCustomManagerKey context arguments to allow user to custom image manager for UIView category to avoid build from scratch
Check the group instance before calling group leave
Remove the out-dated compatible code for non-ARC
Update the comments
Allow custom SDWebImageDownloaderOperation to handle HTTP redirect
Update the comments for that SDWebImageInternalSetImageGroupKey key
Fix potential thread-safe problem in SDWebImagePrefetcher by keeping all access through prefetcher queue and retain the local URLs firstly
Update the comments and remove the unnecessary main queue check
Follow Apple doc and remove that manual calculation of byte alignment to make it more universal for different architecture device
Change prefetchURLs from nonatomic to atomic to avoid multi-thread access crash
capture currentURL instead of using index to access to avoid race condition
Grab the poster image instead of image itself to avoid an UIAnimatedImage been set
Update the documents
Update tests to invalidate session after usage
...
DreamPiggy
Bogdan Poplauschi