OpenLaszlo 4.6.1 Released
September 18th, 2009We are pleased to announce the release of OpenLaslzo 4.6.1. It is available for download here. OpenLaszlo 4.6.1 is a bug fix release, containing more than 50 fixes primarily in the area of mouse events, context menus, and text. These fixes resulted from an architectural simplification of the underlying event and text mechanisms, which has the dual effect of both simplifying and stabilizing the DHTML code base. In addition, there were significant data and replication fixes thanks to André Bargull.
OpenLaszlo 4.6.1 also contains two significant improvements from community contributors. Sebastian Wagner extended the output of RPC with Gson as the marshaller for JSON. More details are provided in Bug LPP-8437, including how to write your own marshaller and how to get the Gson Factory to set your custom marshalling options. Raju Bitter added support for rotation in DHTML using FireFox 3.5, and fixed the default rotation origin to be top left or 0% for DHTML. See BUG LPP-8362 for more details. A complete list of bugs fixed in this release can be viewed here.
For those of you who have already upgraded your applications to OpenLaszlo 4.2 or higher, no further work is needed. You should just start using OpenLaszlo 4.6.1.
We would like to thank the entire OpenLaszlo community for submitting bug fixes and participating in discussions to help make OpenLaszlo a better platform. Special thanks to André Bargull and Raju Bitter for their continued and amazing support of the project. We'd also like to thank the incredible engineering team at G.ho.st, who have worked with us as a sponsor to bring SWF9 and many other improvements to the community. Special recognition is also due to community contributors: Chad Lancour, Rami Ojares, Philip Romanik, and Jason Gratt.
For more details, please see the Release Notes.
Best Open Source Client-side Framework for Cloud Computing
August 24th, 2009Developing cloud-based Software as a Service applications
Dan Orlando, Enterprise RIA Consultant, Consultant
Summary: Discover the pros and cons of using Adobe® Flex and OpenLaszlo — two leading client-side rich Internet application (RIA) development languages that are particularly useful for building Software as a Service applications for the cloud. Read More...
OpenLaszlo 4.5 Released
August 7th, 2009We are pleased to announce the release of OpenLaszlo 4.5, which is a bug fix release with more than 35 bugs addressed since the OpenLaszlo 4.4.1 release. Bug fixes were primarily in the area of inputtext selection and focus in the DHTML runtime, and in some cases, in the SWF8 and SWF9 runtimes as well. OpenLaszlo 4.5 is the recommended platform for all application development in the SWF8, SWF9, and DHTML runtimes.
You can download the OpenLaszlo 4.5 release here: http://www.openlaszlo.org/download. You can review the bug fixes using our JIRA bug tracking system here: http://www.openlaszlo.org/jira/secure/IssueNavigator.jspa?mode=hide&requestId=11011. For more information, we suggest you read the Release Notes, found here: http://download.openlaszlo.org/4.5/release-notes.html
For every release, we rely on the OpenLaszlo community to help ensure the quality of the platform release and to determine its future direction. To propose or participate in discussion of new features, see the Wiki (http://wiki.openlaszlo.org). We encourage you to report any problems, and to make suggestions for enhancements, through our JIRA bug tracking system (http://www.openlaszlo.org/jira/browse/lpp). We'd also like to hear from you on the mailing lists and in the forums.
OpenLaszlo Credits
We would like to thank the entire OpenLaszlo community for submitting bug fixes and participating in discussions to help make OpenLaszlo a better platform. Special thanks to André Bargull and Raju Bitter for their continued and amazing support of the project. We'd also like to thank the incredible engineering team at G.ho.st, who have worked with us as a sponsor to bring SWF9 and many other improvements to the community. Special recognition is due to community contributors: Philip Romanik, Sarah Allen, and Jason Gratt.
OpenLaszlo 4.4.1 Released
July 18th, 2009We are pleased to announce the release of OpenLaszlo 4.4.1. This is a minor bug fix release, containing 9 bug fixes, that follows OpenLaszlo 4.4. We wanted to get these fixes out to the community, as they have been specifically requested. OpenLaszlo 4.4.1 is the recommended platform for all application development in the SWF8, SWF9, and DHTML runtimes. You can download the OpenLaszlo 4.4.1 release here: http://www.openlaszlo.org/download.
You can see the list of bug fixes by viewing them in our JIRA bug tracking system here: http://www.openlaszlo.org/jira/secure/IssueNavigator.jspa?mode=hide&requestId=11002 .
For more information, we suggest you read the Release Notes, found here: http://download.openlaszlo.org/4.4.1/release-notes.html
For every release, we rely on the OpenLaszlo community to help ensure the quality of the platform release and to determine its future direction. To propose or participate in discussion of new features, see the Wiki (http://wiki.openlaszlo.org). We encourage you to report any problems, and to make suggestions for enhancements, through our JIRA bug tracking system (http://www.openlaszlo.org/jira/browse/lpp). We'd also like to hear from you on the mailing lists and in the forums.
We would like to thank the entire OpenLaszlo community for submitting bug fixes and participating in discussions to help make OpenLaszlo a better platform. We'd also like to thank the incredible engineering team at G.ho.st, who have worked with us as a sponsor to bring SWF9 and many other improvements to the community. Special thanks to André Bargull and Raju Bitter for their continued and amazing support of the project. Special recognition goes to community contributor, Sarah Allen, for this release.
OpenLaszlo 4.4 Released
June 30th, 2009We are pleased to announce that OpenLaszlo 4.4 is available now. You can download it from the OpenLaszlo Download page. It is the recommended platform for all application development for the SWF8, SWF9, and DHTML runtimes. OpenLaszlo 4.4 is another major release, with almost 180 bugs fixed since OpenLaszlo 4.3. The majority of bug fixes in this release are specific to the DHTML runtime; however, general improvements to all runtimes have also been added and we strongly recommend that you take advantage of them by upgrading.
For those of you who have already upgraded your applications to OpenLaszlo 4.2.X, no further work is needed. You should just start using OpenLaszlo 4.4.
To migrate your 4.0.X or 4.1.1 applications, we strongly suggest that you refer to this wiki page: Runtime_Differences. This page discusses the changes required by SWF9 and also provides a methodology for upgrading your application. It is very important that you run the automated conversion scripts in the recommended order, should you choose to take advantage of them.
This release also has a number of improvements, and significant advances such as:
- Internet Explorer oddities have been resolved, such that it works similarly to FireFox and Safari.
- Context menus have been updated to work with DHTML.
- You can now use non-latin characters (such as Chinese and German) in CSS styles by using utf8 file encoding.
- DHTML now includes the "standard" debugger console, just as swf8 and swf9 do.
There is also an important change to the this behavior. In 4.2 and later, only declared attributes, i.e.: attribute name="myattr" … can be referenced lexically (without saying this.). The swf9 runtime will generate an error at compile time if you make a lexical reference to an undeclared attribute. For the swf8 and DHTML runtimes, the old behavior is supported but deprecated and may cause a compiler warning or error in future releases.
We would like to thank the entire OpenLaszlo community for submitting bug fixes and participating in discussions to help make OpenLaszlo a better platform. We'd also like to thank the incredible engineering team at G.ho.st, who have worked with us as a sponsor to bring SWF9 and many other improvements to the community. Special heartfelt thanks to André Bargull and Raju Bitter for their continued and amazing support of the project. Special recognition goes to community contributors: Sarah Allen, Andy Lubbers, Sarah Allen, Tim Dauer, and Mark Doeswijk.
Laszlo Systems Announces Support for Flash 9
April 6th, 2009SAN MATEO, Calif. (March 31, 2009): Laszlo Systems, a global leader in Rich Internet Application (RIA) software and the original developer of OpenLaszlo, today announced that its award winning open-source platform OpenLaszlo is fully qualified for Flash® Player 8, DHTML, and Flash® Player 9. Release 4.3 of OpenLaszlo is available for download at http://www.openlaszlo.org/download .
“With this new version of OpenLaszlo users of our G.ho.st ("ghost") Virtual Computer service are experiencing a 4 to 5x improvement in performance." said Zvi Schreiber, Founder and CEO of G.ho.st.
OpenLaszlo 4.3 Released
April 2nd, 2009We are pleased to announce that OpenLaszlo 4.3 is available now. You can download it from the OpenLaszlo Download page. It is the recommended platform for all application development for the SWF8, SWF9, and DHTML runtimes. OpenLaszlo 4.3 is a major release, with almost 300 bugs fixed since OpenLaszlo 4.2 introduced the SWF9 runtime.
For those of you who have already upgraded your applications to OpenLaszlo 4.2.X, no further work is needed. You should just start using OpenLaszlo 4.3.
To migrate your 4.0.X or 4.1.1 applications, we strongly suggest that you refer to this wiki page: Runtime_Differences. This page discusses the changes required by SWF9 and also provides a methodology for upgrading your application. It is very important that you run the automated conversion scripts in the recommended order, should you choose to take advantage of them.
This release also has a number of improvements, and significant advances in these areas:
- Audio/Video APIs are working well in this release. Videoplayer and videoview now show the first frame of the video by default when they appear, if a URL has been set. (You can control this behavior with new starttime API.) Live broadcast and recording APIs are working in both swf8 and swf9. We have also added a new Audio & Video Programming forum
- Incubator components have been updated to work with the 4.3 code base.
- A new documentation comments feature has been added, so that you can add an example or comment that expands upon the existing documentation or shows a non-obvious usage of a feature (or work-around for a bug that you have already filed) in OpenLaszlo. Documentation bugs or feature requests should be filed in our JIRA bug tracking system as in previous releases.
- An improved debugger to deal with deep and circular objects when printing. The 4.3 release adds two new properties of Debug:
printDepth:Number, default 8, limits how deep the debug printer will go into an object when printing it;inspectPrintDepth:Number, default 1, limits how deep the debug printer will go into an object that is a property of an object when inspecting. The debug printer will also detect circular objects (rather than causing a stack overflow), at small cost in overhead. When an object refers to itself (however indirectly), it will be printed just as its type and ID.
There is also an important change to the this behavior. In 4.2 and later, only declared attributes, i.e.: attribute name="myattr" … can be referenced lexically (without saying this.). The swf9 runtime will generate an error at compile time if you make a lexical reference to an undeclared attribute. For the swf8 and DHTML runtimes, the old behavior is supported but deprecated and may cause a compiler warning or error in future releases.
We would like to thank the entire OpenLaszlo community for submitting bug fixes and participating in discussions to help make OpenLaszlo a better platform. We'd also like to thank the incredible engineering team at G.ho.st, who have worked with us as a sponsor to bring SWF9 and many other improvements to the community. Special thanks to André Bargull and Raju Bitter for their continued and amazing support of the project. Special recognition goes to community contributors: Sebastian Wagner, Justin Clift, Ryan Maslar, Sarah Allen, and Wolfgang Stöcher. And heartfelt thanks to Phil Romanik, Don Anderson, Josh Crowley, and Lou Iorio for their tireless efforts and significant contributions.
OpenLaszlo 4.2.0.2 Released
March 11th, 2009We are pleased to announce that OpenLaszlo 4.2.0.2 is available now. You can download it from the OpenLaszlo Download page.
OpenLaszlo 4.2.0.2 is the next fully-qualified release since OpenLaszlo 4.2.0.1, and is the recommended platform for all application development in the SWF8, SWF9, and DHTML runtimes. For those of you who have already upgraded your applications to OpenLaszlo 4.2, no further work is needed. You should just start using OpenLaszlo 4.2.0.2.
The 4.2.0.2 release includes more than 30 major bug fixes since 4.2.0.1; we have provided a link to the OpenLaszlo JIRA bug tracking system where you can view the details.
In addition to bug fixes, OpenLaszlo 4.2.0.2 contains two areas of improvement: documentation comments feature and compiler performance improvements:
- The documentation comments feature adds a section at the end of every documentation page where you can add an example or comment that expands upon the existing documentation or shows a non-obvious usage of a feature (or work-around for a bug that you have already filed) in OpenLaszlo. Documentation bugs or feature requests should be filed in our bug tracking system as in previous releases.
- The compiler should be faster with 4.2.0.2 as compared to 4.2.0.1. The script cache is now disabled by default. Please note that setting the server logging level to DEBUG will slow down the compilation, due to the large amount of debugging information that is logged on the server. The DEBUG level logging is off by default.
For those of you who have 4.0.x or 4.1.1 applications, we strongly suggest that you refer to this wiki page: Runtime_Differences. This page discusses the changes required by SWF9 and also provides a methodology for upgrading your application. It is very important that you run the automated conversion scripts in the recommended order, should you choose to take advantage of them.
As always, we appreciate your involvement and OpenLaszlo reaps the benefit of your expertise and commitment. We'd like to especially thank the following folks out there in the community who helped make this release by suggesting improvements, filing bugs, creating test cases, and contributing fixes: the team at IBM, Andre Bargull, Sebastian Wagner, Raju Bitter, Gilad Parann-Nissany, Ammar Sh. Tazami, Justin Clift, Mohammad ZeinEddin, Michael Jessup, and Nasser Najjar.
OpenLaszlo 4.2.0.1 Released
February 20th, 2009We are pleased to announce that OpenLaszlo 4.2.0.1 is available now.
OpenLaszlo 4.2.0.1 is the next fully-qualified release since OpenLaszlo 4.2, and is the recommended platform for all application development in the SWF8, SWF9, and DHTML runtimes. This release addresses critical user-reported bugs primarily in the swf9 runtime, but also in DHTML.
For those of you who have already upgraded your applications to OpenLaszlo 4.2, no further work is needed. You should just start using OpenLaszlo 4.2.0.1.
For those of you who have 4.0.x or 4.1.1 applications, we strongly suggest that you refer to this wiki page: Runtime_Differences. This page discusses the changes required by SWF9 and also provides a methodology for upgrading your application. It is very important that you run the automated conversion scripts in the recommended order, should you choose to take advantage of them.
The 4.2.0.1 release includes almost 30 major bug fixes since 4.2; we have provided a link to the OpenLaszlo JIRA bug tracking system where you can view the details.
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