• Introduced library (lisppad system) to enable programs across macOS and iOS that use functionality exposed by (lisppad system macos) and (lisppad system ios) - New library supporting speech synthesis: (lisppad speech) - Bugfixes in library (lispkit date-time) - New sample code: DrawCalendar.scm - Updated documentation

• Fixed sizing issues of the virtual keyboard extension on iPhones • LispPad programs can now be executed as "applets" running both in the app and as an intent within Shortcut flows • Included libray (lisppad applet) which provides an API for managing the lifecycle of an applet, in particular supporting data exchange • When libraries and applets are being developed in the editor, LispPad now facilitates the installation in its resource tree • New library for drawing function charts: (lispkit draw chart function) • Support for turning Markdown into a textual representation to be displayed on ANSI terminals via library (lispkit markdown) • Extensions of libraries (lisppad system ios), (lispkit format), (lispkit markdown), (lispkit system), and (lispkit string) • New sample code: ImposeLogo.scm, DrawFunctionCharts.scm, Connect4.scm, and AnsiMarkdown.scm • Updated LispPad Library Reference and included new documentation for libraries (lispkit sxml), (lispkit sxml html), (lispkit sxml xml), (lispkit wt-tree), (lispkit draw chart function), (lisppad audio), and (lisppad applet) • Interpreter now based on LispKit 2.6.2

• Allow executing commands by pressing return on hardware keyboards (new setting) • Revamped keyboard experience supporting a second extension focused on navigation • Redesigned definition/document structure switchboard user experience • Refreshed user experience for some panels • Fixed inconsistent documentation font sizes • Fixed bugs involving indentation and commenting features

• Updated app icon • New library and documentation browser • New "center menu" in the editor • Reimplemented canvas view to allow for more complex drawings • Fixed bugs in the file organizer • Allow overriding Prelude.scm • Bug fixes involving quasiquote and cond-expand • New library for handling locations: (lispkit location) • New library for creating and editing PDF documents: (lispkit pdf) • New library for solving computer vision problems: (lispkit vision) • New libraries for processing/manipulating images: (lispkit image), (lispkit image process) • New library for drawing maps: (lispkit draw map) • New library for making and drawing snapshots of web pages: (lispkit draw web) • Extensions of libraries (lispkit draw), (lispkit core), (lispkit enum), (lispkit date-time), and (lispkit object) • New sample code: ImageComposition.scm, OCR.scm, MermaidDiagrams.scm, Pinterest.scm • Updated LispPad Library Reference • Interpreter now based on LispKit 2.6.0

• Fixed keyboard shortcuts • Support separate sets of editor color schemes for light and dark mode • Allow setting the appearance (light vs. dark) at the application level • Extended available coding fonts • Support for all major JSON standards via libraries (lispkit json) and (lispkit json schema) • Support HTTP-based networking via libraries (lispkit http), (lispkit http oauth), and (lispkit http server) • Deeper integrations into iOS via libraries (lispkit system keychain) and (lispkit system pasteboard) • Support for drawing a variety of different types of bar codes via library (lispkit draw barcode) • New libraries: (lispkit url), (lispkit serialize), (lispkit thread future), and (lispkit thread shared-queue) • Extended libraries: (lispkit box), (lispkit thread), (lispkit system), (lispkit bytevector), (lispkit markdown), (lispkit dynamic), (lispkit control) • New sample code: Keychain.scm, WebAPIs.scm, and Webserver.scm • Updated LispPad Library Reference • Interpreter now based on LispKit 2.5.0

• Support sharing of canvases • Support smarter parenthesis matching for Lisp code • Reimplemented overflow menu of the editor, fixing bugs and providing new line-level features • Reimplemented REPL command history (long-press on "Send" button) • Reimplemented the "Load"/+ menu for reloading recent files and the editor buffer • Log files being loaded into the interpreter • Fixed cursor placement in the interpreter input • Fixed bug preventing the editor buffer to be emptied when "New" was selected • Fixed opening recent and starred files • Improved consistency of icon usage with LispPad on macOS • Updated LispPad Library Reference

• Redesigned the navigation between interpreter and editor • Redesigned the split screen mode for iPads, allowing free positioning of the splitter • Redesigned file/directory browser fixing usability issues and supporting file previews • Introduced drawing canvases (left-swipe in console) in addition to the log view (right-swipe in console) • Libraries can be imported via a swipe in the Libraries view; support for library list refresh • User experience bug fixes, especially involving modal sheets • Ported universal formatting facility from Common Lisp and made it available via library (lispkit format) • Library (lispkit records) now supports extensible records compatible to SRFI 131 • Made application scriptable via library (lisppad system ios) • Extended libraries: (lispkit system), (lispkit port), (lispkit bitset), (lispkit system), (lispkit draw), (lispkit draw turtle), (lispkit core), (lispkit type), (lispkit bytevector) • New libraries: (lisppad system ios), (lisppad turtle), (lispkit format), (lispkit crypto), (lispkit archive tar), (lispkit list set), (srfi 239), (srfi 235) • New sample code: Fractals.scm, Blockchain.scm • Interpreter now based on LispKit 2.4.0

• Improved management of recent files and favorites. • Remember last edited file (can be switched off in the settings) • Improved display of file names in the editor • Fixed bug affecting byte vector copy procedures in library (lispkit bytevector) • Extended library: (lispkit graph) • New libraries: (srfi 228), (srfi 233), and (srfi 236) • Interpreter now based on LispKit 2.3.2

• User interface changes to optimize the look and feel for iOS 16, including revised key bindings • Access to the log viewer in the console by swiping right • New settings for defining the maximum stack size and the maximum number of active calls to trace upon errors • New setting to prevent virtual keyboard extensions to be shown if there is a hardware keyboard • Display call stack when errors are shown on the console • Limit stack size to prevent application crashes • Fixed bug leading to deadlocks when using text ports • Fixed bug allowing to execute empty lists • Fixed serious bug leading to an infinite loop when iterating through stack traces • New procedure in library (lispkit thread): thread-max-stack • New library: (lisppad draw map) • New sample code: DisplayMap.scm • Interpreter now based on LispKit 2.3.1

• iOS 16 bug fixes

• Performance improvements: Optimized code generation for lambdas without captured expressions • Fixed division by zero issues with truncate and floor procedures • Made procedure open-file of library (lispkit system) work on iOS • Extended libraries: (lispkit core), (lispkit string), (lispkit math), (lispkit type), (lispkit enum), (lispkit draw), and (lispkit clos) • New libraries: (lispkit math matrix), (lispkit bitset), (lispkit styled-text), (lispkit draw chart bar), (srfi 118), (srfi 141), (srfi 149), and (srfi 232) • New sample code: ObjectOrientation.scm, DrawBarCharts.scm, and StyledTextDoc.scm • Interpreter now based on LispKit 2.3.0

• Allow setting font in preferences; allow for more granular font size choice • Support for threads • Go-inspired channels for synchronizing threads • Revamp of math libraries, addressing incompatibilities and fixing numerous bugs • Extended libraries (lispkit math), (lispkit math util), (lispkit system), (lispkit port), and (lispkit debug) • New libraries: (lispkit thread), (lispkit thread channel), (scheme flonum), (srfi 18), (srfi 144), (srfi 208), and (srfi 230) • Exceptions now include more information about the active call stack • Interpreter now based on LispKit 2.2.0

• Adjusted colors used in REPL to improve legibility • Fixed bug leading to symbol definition views disappearing behind the keyboard

• Integrated log viewer into console • Increased stack size of interpreter • Fixed file/editor loader • Fixed scrolling within console • Included new documentation for libraries (lispkit prolog), (lispkit math stats), (lispkit math util), (lispkit text-table), (srfi 166), (srfi 227), and (srfi 229) • Interpreter now based on LispKit 2.1.0

• Optimized user interface for iOS 15 • Improved synchronization with iCloud Drive • New in-context documentation viewer • Searchable Libraries view; include libraries that are not loaded • Support for search/replace; save search/replace history; enable case-insensitive search • New procedures icloud-directory and cloud-list in library (lisppad system) • Bug fixes in library (lisppad location) • Interpreter now based on LispKit 2.0.3

• Comprehensive support for keyboard shortcuts • Keyboard shortcut documentation accessible via LispPad menu • Fixed split view-related bugs (on iPadOS) • New library (lisppad location) supporting geocoding and reverse geocoding • New procedure open-in-files-app in library (lisppad system) • New example code • Interpreter now based on LispKit 2.0.2

• Extended keyboard for editing Markdown and Scheme code • Extended edit menu with support for looking up Scheme definitions in console and editor • Syntax highlighting, parenthesis matching, automatic indentation in console • Undo/redo support on iPhones • Improved keyboard dismissal in console • New example code • Interpreter now based on LispKit 2.0.1

• Console/editor split view on iPadOS • Markdown document previewer • Table of contents for markdown documents • Display graphics directly in the console • Support tighter line spacing in the console • Display stack trace in console for errors • Allow dismissing the keyboard in the editor view • New library (lispkit archive zip) for creating, reading, and writing zip archives

• Support opening files in LispPad Go triggered by other apps • Fixed various dark mode-related bugs • File handling improvements and bug fixes • Text editor display improvements