UPDATE FROM MABULA
I have had a very rough 2 months unfortunately health wise. I was struck 3x in a row with bacterial infections. The second infection occurred  after a routine hospital checkup and I became very sick. I had to rest and take a lot of antibiotics. Once I was recovering and restarting work 1 month ago, I again became sick. The infection was not yet gone, so even more antibiotics and rest was needed. Needless to say, it took a lot of my energy and I needed a lot of rest.
Finally, the infection is really gone and my energy is coming back step-by-step now and I have started work again. I am terribly sorry to have kept you waiting for support. I will address all outstanding questions and e-mails step-by step and will be on the forum daily from today.
APP 2.0.0-beta47 will come soon as well, a lot of work was already completed before I became very ill, so the release is also nearly ready for you. Beta47 will be much faster actually. Many workflows will be more than 2x faster, mosaics can even be 10x faster than before because registration really received a major boost... all compared to beta46. Â Before I release it, I will make sure that everything is working properly and then I will release it.
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I noticed that the amount of "OS memory" used was being maxed out in APP, but on my system it was showing plenty of available memory.
It looks like the calculation for OS memory is calculated actual memory used + cached memory.
See attached screenshot showing OS memory as full, but the system has plenty of memory available
I've noticed that once APP thinks the OS memory is used, it stops using the RAM and becomes very slow.
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For debugging purposes, I'm using APP v1.082 on Ubuntu 20.04 LTS
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Thank you, we passed this on to Mabula
