Pharo

Pharo is designed for both students and developers that use the Smalltalk programming language and create a modern-looking working environment.

Pharo can be successfully used for creating professional software. It is packed into an archive and can be run from any location, even from a portable storage device.

Features:

• pure object-oriented language
• runs on all major platforms
• stable core with large test suite
• a clean look and feel
• good developer tools
• low memory footprint

What is new in this release:

• All in all, there were over 1600 issues treated in the issue tracker
• and 1350 improvements integrated into 2.0.

What is new in version 2.0 Alpha:

• Added a layout instance variable to Behavior. To be used later
• When browsing versions of a method, an improved merge tool is used.
• RPackage, a work-in-progress replacement of PackageInfo and System Categories.
• Nautilus, a new code browser
• The standard download now includes the Refactoring Engine
• Specs: specify UIs more easily (work in progress)
• Keybindings

What is new in version 1.4:

• Changes:
• New code model: Ring
• Support for startUp preference script
• class message is not a byte code anymore
• Better union and intersection methods
• Better primitive simulation
• Better headless support
• Better support for error at startup
• Introduction of FileSystem
• Less dependencies: Color, Scrollbar do not depend on Compiler anymore
• Cleaning tests
• Unload hostSystemsMenus
• More consistent API for browser opening
• No event pulling anymore
• More class comments
• Announcement driven system notification
• Better API for sharedPool
• Zinc Improvement:
• New mechanism for Zinc servers start/stop handling after system startUp/shutDown
• and a lot a lot and a lot more.
• Tools:
• Support Cherrypicking when merging
• Better timeProfilerBrowser
• Better MC commit error
• MC handles better dependencies
• Better Debugger
• Better Inspector
• Search in tools
• New Finder tool
• Cmd-Click for senders and implementors
• Senders and implementors deals with class
• Better tool registry
• Improvements for the FlatBrowser
• Better Transcripter
• Faster diffBuilder
• New version of OCompletion and Ecompletion that can play together and without code duplication.
• UI:
• Better search
• MultiSelection improvements
• Drag and drop in multi selection list
• PluggableListMorph improvements
• PluggableListMorph selection on drag
• Iconic Button improvements
• PharoTheme
• Better CheckBox
• Enhanced PluggableButtonMorph
• Polymorph enhancements
• Deprecate PluggableListMorphOfMany
• Merged NewParagraph and MultiNewParagraph
• New Widget: Ticking list and widget
• LazyListMorph cleaning
• NewTextMorph and TextComposer improvements
• Improve behavior of MorphTreeMorph
• Removing NewTextMorph and related
• StringMorph
• Cleaning:
• Object
• Old HTTP code
• No references to Utilities
• Removed toolbuilder
• Restructure packages
• Canvas hierarchy
• MorphicModel
• Deprecate recentMessageSet
• Deprecate ImageSegment
• Deprecate MessageNames
• Deprecate TimeProfileBrowser
• Really cleaning messageSet and subclasses
• SystemChangeNotifier
• Removed Project
• Removed BlockContext, blue book old closure encodings
• Font downloading
• HandMorph
• Some Fixes:
• Set growth with nil
• Better weak finalization
• isPrime fixed
• Compiler Fixes
• Russian characters in editor
• More class comments
• Fix drawing shadow morphs
• Trait support
• Fixed syntax hilighting
• Better pointersTo:
• Speedup MethodDictionary #rehash
• Compiler enhancements.
• Stream should not print its contents
• Progress bar
• InputSensor
• CombinedChar
• BytexTextConverter fixes

Requirements:

• Squeak Smalltalk System