MIT App Inventor

December 18, 2023

This version of MIT App Inventor contains a critical bug fix that addresses a crash in the CloudDB component.

December 6, 2023

Hello App Inventors! This update contains the following bug fixes and improvements: - Fix an issue where creating instances with the Clock component may crash the app - Fix an issue that prevented the "min in list" and "max in list" blocks from working - Fix an issue with Maps defaulting to the Atlantic ocean - Fix an issue where LineStrings, Polygons, Rectangles, and Circles do not appear on the Map - Fix reseting of layout constraints when switching projects - Fix an issue where setting AlignHorizontal to Center would not actually center components - Fix an issue where HTML assets in projects may not load in a WebViewer - Make the TextToSpeech component stop speaking when switching screens - Add the Spreadsheet component - Add more layouts to the ListView component - Add DefaultFileScope to Screen - Add more features to the WebViewer component - Implement more blocks for the ListView component - Add support for the Barometer component - Add support for the MagneticFieldSensor component - Add support for the ProximitySensor component - Increase the contrast for the hint color on text boxes - Fix an issue where media could only be played once using the Player component - Fix an issue where large amounts of content in the ListView would be truncated rather than wrapped - Fix an issue where UTF-8 content would be misinterpreted in a Label when using the HTMLFormat option - Fix an issue where background images were tiled rather than stretched to fill the viewport - Fix an issue in the Spreadsheet component that caused the WriteColumn/WriteRow methods to append rather than overwrite data

August 13, 2023

Hello App Inventors! This new version of MIT App Inventor includes the following bug fixes: * Add a Stop method to the TextToSpeech component * Fix a crash caused by using the SpeechRecognizer after TextToSpeech * Fix missing properties in the ChatBot component * Fix a race condition in the GyroscopeSensor that could crash the app * Improve the performance of I/O operations in the File component

June 18, 2023

This version includes a number of improvements and bugfixes beyond the 2.64.1 version, including: * Support for newer components related to generative artificial intelligence * Support new list block operations like sorting and filtering * Fix for ISO code lookup for languages * Fix a crash when launching App Inventor for the first time when using a cellular connection * Fix a bug that prevented switching between project screens * Fix a positioning issue in the sprite collision detection algorithm * Further stability improvements

February 17, 2023

We have been hard at work improving MIT App Inventor functionality. This version includes the following enhancements and bug fixes: * Implemented WebRTC support for improved connectivity * Implemented the Translator component * Added Player support for HTTPS media streams * Security improvements related to upcoming changes in browsers * Fixed some hard coded constants * Fixed an issue where the navigation bar would not reflect the project's PrimaryColor property * Added a warning dialog if not on an active Wifi connection * Fixed some internal rendezvous issues * Fixed an issue where screens might be garbage collected early, resulting in crashes * Fixed some issues related to Canvas and ImageSprite layouts

November 16, 2022

MIT App Inventor for iOS version 2.64 is a bugfix release that addresses the following issues: * Fixed an issue where Player would not produce audio when phones were in silent mode * Fixed an issue where Map features would not show title and description information * Fixed an issue where setting the Canvas background to None would show a white background instead * Fixed an issue where floating point values without a leading zero were parsed as symbols instead of numbers * Fixed an issue where ImageSprites moved in a delayed fashion * Fixed an issue where the Slider component did not respect the minimum value * Added the ability to use localhost URLs in the WebViewer * Made the screen stay on while editing your project * Fixed an issue where a misspelling caused certain list blocks to not work correctly * Made the Button LongClick event fire after 500 ms rather than when the button is released * Added missing functionality related to parsing JSON and XML using dictionaries to the Web component * Fixed an issue where WebViewString is not set when a webpage initially loads * Implemented the missing join with separator and string reverse blocks * Fixed a bug where JavaScript prompts were not displayed * Fixed an issue where the YandexTranslate component would report a missing API key * Add support for dropdown blocks, which is a feature coming soon in nb187 * Fix a bug where multiple calls to TextToSpeech would overlap * Fix issues related to numbers not formatting correctly when converted to text * Fix an issue where non-text values were converted to text when stored in globals * Fix an issue where view constraints were not set up properly when Screen1.Initialize is invoked * Fix an issue where URL parameters are not encoded properly * Fix some issues related to JSON parsing in the Web component * Fix an issue where the random number generator was not initialized on startup, always resulting in the same "random" sequence * Fix an issue with drawing shapes on the Canvas * Fix an issue related to dragging sprites on the Canvas * Implemented a missing function that caused some error messages to not appear * Fix an issue where certain return values were not converted into lists * Fix an issue where JSON parsing would not return dictionaries even if it were requested * Fix an issue where CloudDB's GotValue event would not fire when a value had been retrieved

March 4, 2021