2026-10-09 APP 2.0.0-beta48 has been released !
This is mainly a bug fix release for the reported bugs in beta47. In addition it has a significant User Interface performance improvement noticable when you need to process 1000s of images in APP.
2026-10-03 APP 2.0.0-beta47 has been released !
This is a very big release... many code optimizations/rewrites, many parts of APP are much faster and more precise, especially star analysis and registration are much faster ! Big mosaics will go much faster 🙂
And we introduce a new preview filter, which includes the new Adaptive Deep Sky Stretch and a General Levels Stretch, this has been long over due. The old preview filter (the panel on the right side to stretch and preview your data) has not been updated for a couple of years and it is a critical part of any APP session.
Adaptive Deep Sky Stretch or ADSS is a much more intuitive stretch algorithm. It is also color preserving (which is a great new addition in itself ! ) which means that the highlights are no longer bleached, color is maintained from the linear data while stretching. You can simply stretch your data using the sky background level and signal width sliders which work much easier and more intuitive. You no longer need to fiddle with the old complicated sliders with zoom buttons. All the zoom buttons for the sliders are made redundant. And you can enter slider values in the slider value fields yourself. I will make a youtube video in the coming days to explain and fully introduce ADSS. Once the video is ready, it will be highlighted on the forum.
RGB Combine upgrade !. The RGB Combine Tool has been rewritten mostly. The tool is faster and easier to use and most importantly, the Luminance slider to inject a luminance channel or channels into the RGB composite is now working correctly. It no longer bleaches the RGB colors. Combined with the new ADSS preview, you will get much better and easier great composites with great color! I will also explain this in a new youtube video.
I am having problems using my mouse scroll zoom - the screen now goes black instead of zooming in as it did previously. Also, the image window sliders (horizontal scroll and vertical scroll) are frozen to one side and do not slide rendering them unusable. I wan on 2.0.0.-beta 9 before, can I go back to that version?
Yes you can revert back to any previous versions. They are all available under the tab "Downloads" of the website.
@carsan Could you let us know if going back to that version works? Because it should work on beta 15, would be interesting to know as it can be an issue on your system as well.
I am having problems using my mouse scroll zoom - the screen now goes black instead of zooming in as it did previously. Also, the image window sliders (horizontal scroll and vertical scroll) are frozen to one side and do not slide rendering them unusable. I wan on 2.0.0.-beta 9 before, can I go back to that version?
Hi @carsan,
Can you provide more information about your computer? Which operating system are you running for instance? Is the problem gone if you disable OpenGL with the top left OpenGL button?
Beta15 had a fix for 2 OpenGL issues and these were addressing issues like this, on our test systems it all works fine. You can test beta16 as well which I just released.
Mabula
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I'm not sure if I was running Beta 15 or 16 because I deleted it. I have since downloaded Beta 16. I'll give Beta 16 a try tomorrow to see if the scroll and zoom issues are still there. Thanks, Carol
Here are my computer specs:
Windows 10 Home (x64) Version 22H2
ProcessorÂ
3.20 gigahertz Intel Core i7-8700
384 kilobyte primary memory cache
1.50 megabyte secondary memory cache
12 megabyte tertiary memory cache
64-bit ready
Multi-core (6 total)
Hyper-threaded (12 total)
Main Circuit BoardÂ
Board: Dell Inc. 0DF42J A00
Bus Clock: 100 megahertz
UEFI: Dell Inc. 1.1.18 09/06/2021
Local StorageÂ
7.98 Terabytes Usable Local Storage Capacity
4.04 Terabytes Local Storage Free Space
Thanks! If you could report back if the new beta does work, that would be very helpful.
@vincent-mod It has a similar problem on beta-16, when you finish any adjustment such as "star reducer" or change the slope in "calibrate star colours", the image viewer will become black, and you have to move the image or roll the mouse roller to get them back, feel like the image viewer shows at a wrong position.
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"@vincent-mod It has a similar problem on beta-16, when you finish any adjustment such as "star reducer" or change the slope in "calibrate star colours", the image viewer will become black, and you have to move the image or roll the mouse roller to get them back, feel like the image viewer shows at a wrong position."
Yes, besides my image viewer sliders not working, I had that same issue. The image viewer would be black when image is regenerated and image was off the screen to the right and extremely large/zoomed.Â
I have not tried APP since I reloaded it, beta 16.
Carol
Interesting, I'll forward it to Mabula.
Hi @alexlee24 & @carsan,
Thank you very much for reporting this issue and when it occurs (when using the reported tools). I will fix this quickly 😉
There is a simpel workaround at the moment that should fix it for now as well. Simply click on the top left OpenGL button 2x, the first click disables the OpenGL image viewer, the 2nd click will enable it again after which it should work properly again.
Mabula
Hi @alexlee24 & @carsan,
Can you donwload 2.0.0-beta17 and check if all is okay now on your systems?
Mabula
@mabula-admin I'm not at home now, but I am using the remote desktop to check beta-17, the image viewer getting black screen problem is solved now.
When I get back home I'll check about it and reply if it has another problem.
Thank you!
Alex
Mabula, THANKS! Beta 17 is working great. The new beta is greatly appreciated.
Carol
@mabula-admin I'm not at home now, but I am using the remote desktop to check beta-17, the image viewer getting black screen problem is solved now.
When I get back home I'll check about it and reply if it has another problem.
Thank you!
Alex
Hi @alexlee24,
Excellent, thank you for your feedback ! It's my pleasure 😉
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