Changelog

Version 0.2

May 7 2026

C API

• Added APIs for retrieving resources embedded into your wasm-compiled app
  • See PBAppResourceWithName and PBAppResourceAtIndex in playbit/app.h
• Added PBAppName to playbit/app.h
• Added PBAppId to playbit/app.h
• Renamed println to print
  • Use PBPrintf for formatted printing without automatic newline
• Added APIs for interacting with various window properties
  • See playbit/window.h
• Changed UIBoxIsClick to be called UIBoxOnClick
• Improved initial window presentation behavior
• Added PBStrLit for making PBStrSlice from c-string literals
• Deprecated previous catch-all PB_STR helper macro
  • For usage not covered by PBStrLit try PBStrSliceOf
• Added PBStr_FMT and PBStr_FMT_ARG macros for easier println formatting of strings
• Added new PBDrawRectWithStroke function to the drawing API
• Added new PBDrawTextWithPlan function to the drawing API
• Added new PBDrawTexturedRectExt and PBDrawTexturedRectExt2 functions to the drawing API
• Added new PBDrawTextLine and PBDrawTextMultiline functions to the drawing API
• Improved PBDrawBeginFrame to auto-allocate a draw API context if one is not set
• Improved implicit cached text drawing cache implementation in the drawing API
• Fixed an issue where usage of the PBArrayAllocAt macro would not compile
• Improved PBAnyArrayFree to now make PBArray go into a "null" state
  • v becomes NULL, len and cap become 0
• Fixed PBArenaFromAllocator ignoring size paramter
• Introduced new PBSemaphore
  • See new playbit/semaphore.h
• Added PBRGB and PBRGBA helper macros for creating PBColor values
• Added new PBColorToRGBA8 function
• Fixed an issue where PBDateFormat could format a date's month incorrectly
• Added new PBDateComponents function
• Added new PBTimeZoneUTCOffset2 function
• Added new PBRectangleOfRect and PBRectangleOfSize functions
• Added new experimental UI library, UI3

Runtime

• Fixed various underlying thread correctness issues on macOS
• Fixed a rare deadlock when rendering during a window resize
• Improved the situation around some renderer setup race conditions
• Added various syscalls for audio playback
  • playbit/sys/syscalls/audio.h
• Added various syscalls for filesystem access
  • See new playbit/sys/syscalls/file.h
  • See new playbit/sys/syscalls/file_list.h
• Added clipboard access syscalls to the window object
  • Syscall: PBSysWindowClipboardWriteText
  • Syscall: PBSysWindowClipboardReadText
  • See playbit/sys/syscalls/window.h
• Added texture creation and modification syscalls
  • See new playbit/sys/syscalls/texture.h
  • See playbit/sys/syscalls/window.h
• Added various syscalls for Playbit network access
  • See new playbit/sys/syscalls/net.h
  • See new playbit/sys/syscalls/net_session.h
• Removed "scene graph" rendering syscalls
• Fixed floating point value handling of PBSysWindowSetRect
• Fixed monotonic clock not advancing when system is asleep on macOS

Playbit.app

• Improved display of recent apps to be sorted
• Added release notes to log shown on startup
• Fixed a bug which could cause some log messages to crash the app

Developer tools

• Increased default wasm stack size to 512 KiB
• Added command line flag --stack-size