Charlie, first of all, thank you for extensive reply. The core of techniques you describe are workarounds. However, I am requesting a faster regenerations "out of the box" as I feel it should be. It was probably "ok" for the year 2005-2010, but 10 years later.... This is my request smile

I believe a well thought out, user friendly bar freeze could potentially solve 2 big issues with BIAB.

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Bob,
"The fact RB is now over 10 years old does not mean it's been stagnant."
Sorry, I feel it is stagnant, compared all top DAWs.
The possible solutions that I mentioned on top of my post relate particulary to BIAB, not solutions in general.

"RB is just another tool." Agreed., just not the one I would use smile
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JJJ,
On personal level I agree with most you said. I sincerely hoped that 2020 would bring some positive change to BIAB program, but things I was hoping to see were not there and the most advertised feature did not work as I hoped for. Hopefully, they are just working on true improvements behind the curtains. If they are not, somebody has to waken them, before it is too late. I have patience, but I do wish to see progress, especially in the software part, The RT/RD part I am satisfied 95% with.