4.0.0 Initial version 4.0.1 Corrected obtaining USE_FINGEPRINT_FLAG while key imports from storage. 4.0.2 Fixed broken record in key storage if doRegisterPublicKey was failed Fixed location permissions processing 4.0.3 Fixed the fingerprint importing from previous keys versions 4.0.4 Added missing x86_64 architecture 4.0.5 Added handler for 295 error code (PCIS_ERROR_KEY_EXPIRED) with localised message 4.0.6 Fix warnings for XCode 12 4.0.7 Fixed import from XML 4.0.8 Support for iOS 13 + Xcode 11 4.0.9 Added `setHandlesBackgroundTimeout` method Improved managing keys' handles 4.0.10 Fixed updating password 4.0.11 Fixed nullability issues 4.0.12 Fixed bug with activating keys 4.0.13 Fixed bug with renewing user 4.0.14 UIWebView was replaced with WKWebView The minimum compatible iOS version was increased to 9.0 The PCPDFFiew component was removed 4.0.15 The bug with determining userAgent has been fixed The new date format to recognizing has been added 4.0.18 Fixed issues with processing large files Added new method to export key in raw format