![]() Tl dr: Used Mathematica v11.3 and upgraded to Catalina. As well as that there was no mention of they front-end being 32-bit at the time time of purchase.ĭisclaimer: I am not a lawyer, and this is not legal advice. My justification in contacting the Attorney General was WRI claimed on their website, since Mathematica 6.0.2, fully supports 64-bit Intel Macs. Latter, WRI emailed me to offer a full refund or a free upgrade to v12.0, with no warranty or assurance that the future version will be compatible with Catalina and other systems. The Attorney General office sent out a letter to WRI to mediate the situation. So, after a few weeks, I filed a consumer complaint to my state (IL) Attorney General for deceptive practices. The last one was supposed to follow up with me with a resolution. There were a few email exchanges from different people, with one stating making v11.3 front-end 64-bit is prohibitive, and another offered me a 50% discount to upgrade to v12.0. (WRI), to see if I could receive a refund or to have the issue to be fixed. ![]() After the fact I read while the back-end of the application was 64-bit, the front-end was 32-bit. Thus I was surprised to find out the application stopped working after I upgraded to Catalina. At the time, when I purchased Mathematica 11.3, I was under the impression that it was a fully 64-bit application. This post is relevant to those who use earlier version Mathematica (pre v12) and may be hesitant about upgrading to macOS Catalina. ![]()
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