• Add a ChaCha20 initializer with explicit 4-byte counter support and QUIC test vectors
• Fix XChaCha20-Poly1305 nonce length metadata to require 24-byte nonces
• Make the privacy manifest Apple-only via a dedicated resources target and add visionOS/macCatalyst support
• Prefer FoundationEssentials when available, with Foundation fallback for compatibility
• Fix Scrypt and SecureBytes memory handling to avoid unsafe baseAddress crashes and release allocated memory correctly

[!NOTE] Please review this page in the wiki for a deeper dive into all the changes.

[!NOTE] We're naming this v2.6.0 to be clear that we expect it to be 100% compatible, non-source breaking with v2.5.1. Please report any issues you may find.

• Fix memory safety issues and buffer handling bugs by @naftaly in https://github.com/kstenerud/KSCrash/pull/723
• Fix flaky tests by @naftaly in https://github.com/kstenerud/KSCrash/pull/727
• Add performance benchmarks by @naftaly in https://github.com/kstenerud/KSCrash/pull/721
• Fix memory monitor safety improvements by @naftaly in https://github.com/kstenerud/KSCrash/pull/725
• Optimize KSBinaryImageCache and KSDynamicLinker performance by @naftaly in https://github.com/kstenerud/KSCrash/pull/722
• Update CI runners from macos-13 to macos-14 by @naftaly in https://github.com/kstenerud/KSCrash/pull/728
• Fix uninitialized g_stackCursor crash in background threads (#712) by @GLinnik21 in https://github.com/kstenerud/KSCrash/pull/717
• Add Watchdog Monitor by @naftaly in https://github.com/kstenerud/KSCrash/pull/726
• Fix symbolication regression in KSBinaryImageCache by @naftaly in https://github.com/kstenerud/KSCrash/pull/731
• Remove Namespace Check Workflow by @naftaly in https://github.com/kstenerud/KSCrash/pull/734
• Fix sanitizer compatibility and add sanitizer CI by @naftaly in https://github.com/kstenerud/KSCrash/pull/733
• fix: watchdog monitor now collects threads by @naftaly in https://github.com/kstenerud/KSCrash/pull/730
• Fix sanitizer issues and Mach port leak by @naftaly in https://github.com/kstenerud/KSCrash/pull/736
• Add standard deviation column to benchmark results by @naftaly in https://github.com/kstenerud/KSCrash/pull/735
• Fix benchmarks workflow for fork PRs by @naftaly in https://github.com/kstenerud/KSCrash/pull/738
• Add CI workflow for Clang static analyzer by @naftaly in https://github.com/kstenerud/KSCrash/pull/744
• Fix thread safety issues in memory tracking by @naftaly in https://github.com/kstenerud/KSCrash/pull/742
• Fix memory leaks, optimize binary image cache, add leaks CI by @naftaly in https://github.com/kstenerud/KSCrash/pull/740
• Use lock-free atomic container for userInfoJSON thread safety by @naftaly in https://github.com/kstenerud/KSCrash/pull/741
• [RFC] Introducing Sampling Profiler by @naftaly in https://github.com/kstenerud/KSCrash/pull/732
• Add Report Swift target for a type safe crash report structure by @naftaly in https://github.com/kstenerud/KSCrash/pull/729
• Add cpu info to backtrace symbolication by @maxep in https://github.com/kstenerud/KSCrash/pull/737
• Fix static analyzer warnings by @GLinnik21 in https://github.com/kstenerud/KSCrash/pull/749
• Make leaks CI failable on real memory leaks by @GLinnik21 in https://github.com/kstenerud/KSCrash/pull/750
• Fix undefined behavior issues detected by UBSan by @GLinnik21 in https://github.com/kstenerud/KSCrash/pull/751
• Fix flaky testOtherThreadSymbolicate test by @naftaly in https://github.com/kstenerud/KSCrash/pull/755
• __cxa_throw swapper upgrades by @naftaly in https://github.com/kstenerud/KSCrash/pull/753
• Use ptrauth_strip for PAC handling instead of hardcoded mask by @naftaly in https://github.com/kstenerud/KSCrash/pull/756
• Prepare Benchmarks For OnDevice Runs by @naftaly in https://github.com/kstenerud/KSCrash/pull/754
• Convert KSCrashReportFixer to Objective-C and improve symbol resolution by @naftaly in https://github.com/kstenerud/KSCrash/pull/761
• Fix crash handler deadlock when Watchdog monitor is enabled by @naftaly in https://github.com/kstenerud/KSCrash/pull/758
• Add compact unwind and DWARF CFI support for stack unwinding by @naftaly in https://github.com/kstenerud/KSCrash/pull/757
• Security improvements for OpenSSF Scorecard by @naftaly in https://github.com/kstenerud/KSCrash/pull/765
• ci: bump the github-actions group with 4 updates by @dependabot[bot] in https://github.com/kstenerud/KSCrash/pull/766
• Restore pre-profiler deployment targets by @naftaly in https://github.com/kstenerud/KSCrash/pull/773
• Add visionOS 1.0 platform support to SPM by @naftaly in https://github.com/kstenerud/KSCrash/pull/775
• ci: add Infer static analysis and fix PR comments for fork PRs by @naftaly in https://github.com/kstenerud/KSCrash/pull/769
• Improve OOM handling and async-signal-safety by @naftaly in https://github.com/kstenerud/KSCrash/pull/768
• Add backtrace truncation detection and KSCrash+Backtrace category by @naftaly in https://github.com/kstenerud/KSCrash/pull/767
• Improve CI tooling and add namespace check workflow by @naftaly in https://github.com/kstenerud/KSCrash/pull/776
• Add BrowserStack CI integration for benchmarks by @naftaly in https://github.com/kstenerud/KSCrash/pull/762
• Fix ARM64 spurious frame after thread_start during stack unwinding by @naftaly in https://github.com/kstenerud/KSCrash/pull/764
• Fix async-signal-safety crash in monitor disable path by @naftaly in https://github.com/kstenerud/KSCrash/pull/770
• ci: bump the github-actions group with 3 updates by @dependabot[bot] in https://github.com/kstenerud/KSCrash/pull/779
• Fix benchmarks workflow secret availability check by @naftaly in https://github.com/kstenerud/KSCrash/pull/780
• Add monitor sidecar infrastructure and rewrite watchdog to pure C by @naftaly in https://github.com/kstenerud/KSCrash/pull/771
• [EASY] Fix os_version reporting host macOS build on simulator by @naftaly in https://github.com/kstenerud/KSCrash/pull/782
• Add MetricKit crash monitor plugin by @naftaly in https://github.com/kstenerud/KSCrash/pull/774
• Add compact binary image reporting and inline object_uuid on frames by @naftaly in https://github.com/kstenerud/KSCrash/pull/777
• Add last_exception_backtrace for exception crashes by @naftaly in https://github.com/kstenerud/KSCrash/pull/778
• Add run sidecars for per-process-run sidecar data by @naftaly in https://github.com/kstenerud/KSCrash/pull/783
• Convert system monitor to mmap'd run sidecar by @naftaly in https://github.com/kstenerud/KSCrash/pull/784
• Refactor CLAUDE.md into .claude/rules/ for path-scoped loading by @GLinnik21 in https://github.com/kstenerud/KSCrash/pull/789
• Convert AppState monitor to mmap'd Lifecycle run sidecar by @naftaly in https://github.com/kstenerud/KSCrash/pull/786
• Correctness fixes, hang reporting config, and Report model improvements by @naftaly in https://github.com/kstenerud/KSCrash/pull/787
• ci: bump the github-actions group with 2 updates by @dependabot[bot] in https://github.com/kstenerud/KSCrash/pull/791
• Skip crash report for SIGTERM by @naftaly in https://github.com/kstenerud/KSCrash/pull/793
• ci: add binary size analysis for PRs by @naftaly in https://github.com/kstenerud/KSCrash/pull/792
• Add UserInfo monitor with reusable KSKeyValueStore by @naftaly in https://github.com/kstenerud/KSCrash/pull/788
• Add passive Resource monitor by @naftaly in https://github.com/kstenerud/KSCrash/pull/790
• Add ResourceTermination monitor for post-mortem termination detection by @naftaly in https://github.com/kstenerud/KSCrash/pull/794
• Add task role tracking to Lifecycle monitor by @naftaly in https://github.com/kstenerud/KSCrash/pull/795
• ci: bump jdx/mise-action from 3 to 4 in the github-actions group by @dependabot[bot] in https://github.com/kstenerud/KSCrash/pull/797
• ci: report Infer results as a neutral check run by @naftaly in https://github.com/kstenerud/KSCrash/pull/800
• Fix Zombie monitor hang and enable proper disable by @naftaly in https://github.com/kstenerud/KSCrash/pull/798
• Fix test reliability and add Tuist Derived to gitignore by @naftaly in https://github.com/kstenerud/KSCrash/pull/799
• Fix data race in KSReachabilityKSCrash initializer by @naftaly in https://github.com/kstenerud/KSCrash/pull/801
• Termination monitor, RunContext shared layer, and integration tests by @naftaly in https://github.com/kstenerud/KSCrash/pull/796
• Replace snprintf with async-signal-safe string conversion in crash-time code by @GLinnik21 in https://github.com/kstenerud/KSCrash/pull/804
• Update nullability for several interfaces, add some missing designated initializer stuff too by @alanzeino in https://github.com/kstenerud/KSCrash/pull/711
• Finalize recovered hang reports with live system data by @naftaly in https://github.com/kstenerud/KSCrash/pull/802
• Add fork PR guards to CI workflows by @naftaly in https://github.com/kstenerud/KSCrash/pull/805
• Refactor stitch pipeline to parse once, stitch all, encode once by @naftaly in https://github.com/kstenerud/KSCrash/pull/803
• Fix mach.subcode always 0 due to 32-bit/64-bit struct mismatch by @naftaly in https://github.com/kstenerud/KSCrash/pull/811
• Finalize non-fatal reports immediately by @naftaly in https://github.com/kstenerud/KSCrash/pull/806
• ci: bump actions/github-script from 7 to 8 in the github-actions group by @dependabot[bot] in https://github.com/kstenerud/KSCrash/pull/807
• Collapse category sections in benchmark report by @naftaly in https://github.com/kstenerud/KSCrash/pull/812
• fix: zero mach code/subcode in watchdog fatal hang reports by @naftaly in https://github.com/kstenerud/KSCrash/pull/813
• fix: add missing signal code to injected termination reports by @naftaly in https://github.com/kstenerud/KSCrash/pull/814
• Track app transition state in hang reports, suppress startup hangs by @naftaly in https://github.com/kstenerud/KSCrash/pull/808
• [2] Track app transition state in hang reports, suppress startup hangs by @naftaly in https://github.com/kstenerud/KSCrash/pull/817
• Add API: ksbt_captureBacktraceFromSuspendedMachThread by @kstenerud in https://github.com/kstenerud/KSCrash/pull/816
• Add missing none case to Swift TerminationReason enum by @naftaly in https://github.com/kstenerud/KSCrash/pull/818
• Add async-signal-safety-review skill by @GLinnik21 in https://github.com/kstenerud/KSCrash/pull/820
• fix: watchdog stitch no longer overwrites is_fatal on non-watchdog reports by @naftaly in https://github.com/kstenerud/KSCrash/pull/822
• ci: bump actions/github-script from 8 to 9 in the github-actions group by @dependabot[bot] in https://github.com/kstenerud/KSCrash/pull/823
• Fix async-signal-safety violations in JSON codec and logger by @GLinnik21 in https://github.com/kstenerud/KSCrash/pull/821
• Let consumers opt out of KSLogger.h's DEBUG/ERROR/etc. aliases by @naftaly in https://github.com/kstenerud/KSCrash/pull/824
• ci: rework release workflow for reversibility by @naftaly in https://github.com/kstenerud/KSCrash/pull/825

Full Changelog: https://github.com/kstenerud/KSCrash/compare/2.5.0...2.6.0-beta.1

Preview of the latest version 1.99.4 on iOS 26+

CYLTabBarController 现已支持 iOS26 上实现以下效果， 请更新至版本1.99.3以上版本：

• ✅同时展示 Lottie动画与液态玻璃效果；
• ✅支持将加号➕按钮，展示在液态玻璃效果上，并居中展示。保留 CYLTabBarController 旧版本的所有加号按钮逻辑。仅增加玻璃遮罩效果；
• ✅未使用私有API实现液态玻璃，可通过代码静态扫描，Apple 审核过审安全；
• ✅采用纯原生的液态玻璃效果，支持 iOS 系统设置对液态玻璃属性的全部修改操作；
• ✅企业生产环境级别开源解决方案；
• ✅对于已经集成 CYLTabBarController 的开发者友好，升级适配开发难度， 代码修改低于10行，升级总时长低于1小时；
• ✅不依赖UI兼容模式， iOS27 过审友好；
• ✅不依赖UI兼容模式， 实现扁平风格UI， iOS27 过审友好；

即刻访问 这里 ，了解更多：

• Use of #file to #fileID to prevent build system info leakage.
  • Updated by Jon Shier in Pull Request #4003.
• CI and dependencies.
  • Updated by Jon Shier in Pull Request #4017.

• A rare race between the creation of StreamOf values and the start of their iteration, which could miss values.
  • Fixed by Jon Shier in Pull Request #4017.
• Handling of duplicate URLSessionTaskMetrics callbacks, likely caused by using the new loading system (usesClassicLoadingMode = false).
  • Fixed by Jon Shier in Pull Request #4017.

See all tickets marked for the 5.21.7 release

• Fix AppKit SDImageCoderHelper does not use APNG instead of GIF for animated image creation #3870 #3871 @ijunfly

• Update build scripts for Xcode 26.
• Drop support for Xcode < 26.
• Prebuilt binaries are no longer code signed as Realm is no longer officially distributed by MongoDB.
• Fix compilation with Xcode 26.4.

• Carthage release for Swift is built with Xcode 26.3.
• CocoaPods: 1.10 or later.
• Xcode: 26.1-26.4

• Update build scripts for Xcode 26.
• Drop support for Xcode < 26.
• Prebuilt binaries are no longer code signed as Realm is no longer officially distributed by MongoDB.
• Fix compilation with Xcode 26.4.

• Carthage release for Swift is built with Xcode 26.3.
• CocoaPods: 1.10 or later.
• Xcode: 26.1-26.4

[!WARNING] Please use 7.1.1(this version) instead of 7.1.0. There are some tagging issues happened when release 7.1.0.

• Fix a problem where latest tag commit is overlapped with previous tag commit by mistake.

• This new algorithm fixed image rotation when loading from URL by @longdaohu in https://github.com/suzuki-0000/SKPhotoBrowser/pull/455
• Fix toolbar clipping on iOS 26.0: use 48pt instead of hard-coded 44pt by @Tuccuay in https://github.com/suzuki-0000/SKPhotoBrowser/pull/459
• fix UIToolBar styling when disabling Liquid Glass on iOS 16 by @AnswerX in https://github.com/suzuki-0000/SKPhotoBrowser/pull/463

Full Changelog: https://github.com/suzuki-0000/SKPhotoBrowser/compare/7.0.0...7.1.0

See all tickets marked for the 5.21.6 release

• Fix the issue that thumbnail decoding will store the fulll image data into thumbnail key, which effect next time query from disk #3866

• Image cache query API for disk type, no longer write back image to memory cache automatically. Call storeImageToMemory if you need.
• Added support to encode APNG instead of GIF, when no animated image format provided #3867