Jeff’s Blog

Companion Version 2.64 in Beta Test

Jul 12, 2022 jeff's Blog

Companion version 2.64 is now in Beta Test. It implements a new kind of "Legacy Connection."

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Release nb189 Coming Soon

May 28, 2022 jeff's Blog

This coming week we are planning on releasing a new version of MIT App Inventor, version nb189. This is a “component” release which will include a new MIT AI2 Companion, version 2.63.

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Why is There No https in MIT App Inventor

Mar 25, 2022 jeff's Blog

People are asking "Why is MIT App Inventor insecure?" What they are typically referring to is the fact that the server at does not support the https (secure http) protocol.

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Computer Room Shutdown at MIT

Jan 20, 2022 jeff's Blog

A key computer room at MIT will be shutdown 01/22/2022 - 01/24/2022. Critical services should stay up, but some services will be unavailable.

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Changes in the new MIT App Inventor Gallery

Nov 13, 2020 jeff's Blog

The new MIT App Inventor Gallery will be release this weekend (11/14/2020-11/15/2020). Here is a brief introduction to the changes in this version of the Gallery.

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The New Gallery Goes Live This Weekend

Nov 9, 2020 jeff's Blog

The New MIT App Inventor Gallery will go live this coming weekend.
During the weekend there will be a brief period where the Gallery will be unavailable while its projects are moved to the new Gallery.

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A New Gallery is coming to MIT App Inventor

Oct 19, 2020 jeff's Blog

We are planning on deploying a new MIT App Inventor Gallery in the few next weeks. This new version will have a different look and feel from the current gallery, but will offer enhanced functionality.

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New Release (nb175) Planned for Thursday, February 7th.

Feb 4, 2019 jeff's Blog

We plan to release a new version of MIT App Inventor on Thursday. This version, nb175, will include a new Companion (version 2.51). The current companion (version 2.50) will continue to work, but you will require the new version to use the new functionality described below...

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New Component Release on December 27th

Dec 15, 2017 jeff's Blog

We are planning a Component Release of MIT App Inventor around December 27th. Component Releases require the installation of a new MIT AI2 Companion App in order to receive full functionality.

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New Release of MIT App Inventor Expected on Thursday

May 22, 2017 jeff's Blog

On Thursday evening (Eastern United States Time) we will be deploying a new release of MIT App Inventor (version nb156).

This is a non-component release, which means that there is no new version of the MIT AI2 Companion to download or update. The major change is a...

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Welcome to our new Blocks Editor

May 18, 2017 jeff's Blog

Thank you for your interest in helping us test an upcoming major release of MIT App Inventor.

In this release we will be making a major update to the Blocks Editor. A list of changes/features is included below.

If you would like to help us...

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New Release (nb154) coming next Friday

Jan 22, 2017 jeff's Blog

This coming Friday, January 27th, we will be releasing version nb154 of MIT App Inventor.

This is a component release, which means that it updates the component software used on devices by MIT App Inventor developed applications. Most of the changes are bugfixes or updates needed to...

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New Release Coming (nb147)

Feb 11, 2016 jeff's Blog

We will be deploying a new release of MIT App Inventor on Thursday afternoon on February 18th (2016-02-19 02:00:00 UTC). The details are in the Release Notes (DRAFT).

This release adds new Components and Features to MIT App Inventor and we will be deploying a...

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One Computer At a Time

Mar 16, 2014 jeff's Blog

MIT App Inventor is designed to be used by an individual using only one computer at a time. If you open a project on one computer and then open the same project on a second computer (or even in a second browser window) you can cause your project to become...

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Time to Update the Companion

Feb 10, 2014 jeff's Blog

Back at the beginning of January I wrote to explain how we are going to reduce the number of times you have to update your MIT App Inventor software installation by distributing a Companion App with the ability to update itself. On February 11 well implement this auto-update...

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Time to Install New Setup Tools!

Jan 7, 2014 jeff's Blog

Version 2.2 of the Mac and Windows Setup tools is yet another version! Why so many versions? And what we are doing about it?! The MIT AI2 Companion is a copy of every component of App Inventor. When you are using the companion, your blocks program is sent over to...

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Import Information about Java and App Inventor

Feb 6, 2013 jeff's Blog

If you are running Java 6 on a Macintosh, you should run Apple's latest software update 12 released February 1st. If you have been running Java 7 you may get a notice when opening the Blocks Editor that asks you to update Java. You must run this update to use...

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