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TL;DR

macOS 10.15 Catalina will not run 32-bit Mac applications. At all. Once you upgrade to Catalina, those apps won’t even launch.

This has been the cleanest, easiest Hackintosh install I have ever done as is the closest to a real mac I have had in terms of operation. Don't install Jettison as it should not be needed. Hope it works for you - I bought Windows but have found it horrible to use. Edited to add Incidentally I don't use UseKernelCache on my machine. How to survive without Windows or Mac. There is a good alternative to Lightroom and Aperture in RawTherapee. We are not yet brave enough to jettison Windows and OS X but we feel the day may. Jettison eliminates the hassle of manually ejecting external drives before you put your MacBook to sleep. With Jettison, you just close your MacBook, unplug and go! Limitations: 15-day trial.

To prepare, I wrote Go64, a free application that scans your system for 32-bit apps and shows them all in one place, with version and website information to make it easier to assess whether you need to update or look for an alternative.

You can download Go64 here.

The longer story

After Mojave started warning about 32-bit apps needing to be updated, Ronald Leroux, who does all the French localizations of my software, pointed out that there wasn’t really a good way to check for and update 32-bit apps on your system. The built-in System Information app does work, but it’s certainly not the most user-friendly, nor is it necessarily complete.

Over a weekend last fall, I put together a straightforward little app to scan for 32-bit applications and show them in a list. It took a fairly simplistic approach, and worked fine but was no more thorough than what System Information provides. Still, it was much easier to use, so I figured I’d release it in the Mac App Store. Then came the task of trying to get it approved: App Store Review rejected it because it asked for permission for the entire disk so it could scan for apps. That wasn’t something I could fix or work around. So I shelved it – there were higher priorities at St. Clair Software, plus dealing with the App Store always seems to ruin my day.

Fast forward to WWDC 2019, when Apple confirmed that Catalina definitely won’t run 32-bit apps. Howard Oakley at the Eclectic Light Company had been doing some deep-digging and highlighted a number of issues with 32-bit app checking. He wrote his own exhaustive scanner that searches for them, but it’s slow and still not very user-friendly. I dusted off Go64 and figured I’d turn it into a more complete solution.

“It’ll only take a couple of days…” – famous last words uttered by nearly every software developer at some point in their careers.

As they say, the devil’s in the details, and dealing with the vagaries of what goes on inside applications got interesting. Go64 leverages Spotlight to compile a list of executables, but then does a deep dive into each 64-bit application to check for any helper apps, frameworks, services or plugins that might not be 64-bit. While I knew this could be an issue, Howard’s work highlighted just how common it is to have a mix of executables bundled within apps. Most of the time, it’s just for expediency, and developers do the proper juggling to run the correct one, but how’s a user to know? So Go64 does a bunch of checks to look for common methods, and if it still can’t make sense of things, errs on the safe side and flags the app with a little caution icon.

Clicking on “More Info” gives you the whole scoop:

This, of course, led to more complexity. As a developer, I don’t want to be bugged by hoards of people asking whether my app is Catalina-compatible just because some stupid “Go64” app noticed I include a 32-bit helper to deal with ancient Quicktime videos. So Go64 updates its internal “Ignore this warning” list periodically from the St. Clair Software website – that way it can inform users that even though the app contains 32-bit code, it’s compatible.

So developers, if your app contains 32-bit code but is Catalina-compatible, contact me with the bundle ID and version number of the app and I’ll add it to the list so Go64 gives users this message instead:

And to everyone else, I hope Go64 turns out to be useful for you. I certainly had a lot more 32-bit apps sitting on my Mac than I thought!

Again, you can download Go64 here.

'Tis the season for dusting off the crystal ball and playing a Nostradamus of telecom. This contribution to the seasonal lineup of stories predicting the immediate outlook for the sector arrives two or three weeks later than most others, and it was nearly discarded.

Partly, that is because last year seemed to prove the futility of soothsaying attempts. If nothing else, 2020's horrors showed that predictions are generally as secure as a log cabin at the base of a smoldering volcano.

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Rather than build on top of that growing fire hazard, why not turn the format upside down and predict the non-events of 2021? A piece that rules out certain developments might not go up in smoke quite as fast as any world-in-2020 outlook written this time last year, just weeks before an unforeseeable virus erupted. Nor would it be so devoid of risk that it proved worthless. In January 2020, prophesying that a pandemic would not scorch the planet would have seemed like a fairly safe bet.

So here goes:

Open RAN scaled an Everest of inflated expectations in 2020. This year, it will not avoid a descent into the Grand Canyon of disillusionment. The politicized technology, adored by protectionists and Huawei bashers, sprinkles the elixir of interoperability over the radio access network (RAN), allowing operators to combine products from different suppliers (not previously possible) and make use of general-purpose equipment.

But various engine problems mean it will not take off as quickly as some analysts expect. Those include performance shortcomings (it's rubbish outside rural communities where 3G is still considered cutting edge), intellectual property concerns (it risks infringing patents held by companies not part of its club) and doubts over cost (is it really cheaper than a traditional network?).

Yet by far the biggest brake on open RAN was identified by Robert Finnegan, the CEO of Three UK, during a Zoom call with reporters before Christmas: Most operators have already decided on their 5G suppliers and some (including Three) have already had to jettison Huawei at significant expense. They are not about to undergo another costly swap-out for several years, and possibly not until the dawn of 6G.

5G will not justify its existence in 2021 even as the rollout bill soars, with US operators likely to splurge more than $90 billion on new midband spectrum licenses in the latest auction fiasco. While Ericsson is probably right to forecast more than half a billion 5G connections by the end of this year (up from an expected 220 million in 2020), no consumer seriously needs 5G and few businesses currently have much interest in its high-speed, super-reliable, low-latency sales pitch. Yes, 5G will generate billions in economic value over the next few years, but 4G would likely generate almost as much if 5G did not exist.

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Worse, the telecom sector will probably not even be among 5G's main beneficiaries. Operators face huge investments and scant prospect of additional revenues, while outside China equipment vendors foresee little growth from sales to service providers, their main addressable market. This year will be one of deepening existential angst for operators as they ponder their diminished role in the ecosystem despite all their investments in new connectivity standards.

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The first quarter will not bring any short-term relief for service providers that saw a decline in roaming revenues and other pandemic-related financial pressure in 2020. Lockdowns and restrictions on movement have become de rigueur across Europe in recent weeks as new virus strains percolate through the population. The worst-case scenario is that a vaccine-resistant mutation is eventually unleashed. Unlikely as this seems to most scientists, the slow rollout of vaccination programs will persuade risk-averse governments to maintain full or partial lockdowns for much longer than libertarians would like. If immunity is lost several months after a vaccine is administered, the initial recipients may become vulnerable again soon after a program has finished, requiring authorities to start all over again. Should this medical equivalent of painting the Forth Bridge prolong reliance on Zoom as an alternative to unmasked, face-to-face meetings, the risk will grow that cash-strapped consumers and ailing businesses downgrade to lower-cost plans.

Huawei will not go out of business, but nor will it be removed from the US naughty list. As a president dealing with an increasingly aggressive Chinese government, Joe Biden will have little inclination to soften the US position toward the Chinese equipment vendor, seen by opponents as a potential conduit for Chinese spies and hackers. He will not be as tactless and undiplomatic as his predecessor, attempting to find agreement with other democracies on a constructive and coordinated approach toward China. Huge investments in 5G rollouts by Chinese operators will buttress Huawei and ZTE, a smaller Chinese vendor, as foreign governments and operators give the finger to Chinese gear.

European operators will not halt the advance of US technology giants into their territory, and nor will they even attempt resistance. Their 'partnerships' with Amazon, Google and Microsoft increasingly resemble relations between a medieval landowner and his tenants, as operators park their IT systems in the public cloud and settle for only a supporting role in the unfolding 'edge' drama. Telcos and cloud cheerleaders will justify these arrangements on efficiency grounds and insist edge tie-ups are symbiotic. Skeptics will note the loss of control and ask why operators are content with a public cloud oligopoly when a RAN one is so bothersome. The upshot is that telcos will look even more like utilities by the end of this year.

To exacerbate this development, some European operators will not preserve their status as property owners in 2021, selling towers and other infrastructure assets to investment companies in a bid to reduce debt and speed up 5G rollouts. So far, Iliad and Three have been the most high-profile examples of European companies that have sold towers to a specialist infrastructure firm (Cellnex, in both cases). Consolidation in the towers market and the emergence of several powerbrokers would expose tenants to the risk of higher rental fees in the future, although this will certainly not happen in 2021.

Automation and artificial intelligence will not create as many jobs in the telecom sector as they destroy, despite what tech apologists might say. Data gathered by Light Reading shows the collective workforce across 20 major service providers with headquarters in Europe and North America shrank by more than 48,000 in 2019, or roughly 3% of the total. At many companies, the carnage continued in the first nine months of 2020, with headcount down 5% at AT&T and Telecom Italia, 8% at CenturyLink and more than 9% at KPN of the Netherlands, compared with December 2019 figures. Table 1: Headcount at European and US telcos

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2015	2016	2017	2018	2019	Sep-20
AT&T	281,450	268,540	280,000	268,220	247,800	234,630
Verizon	177,700	160,900	155,400	144,500	135,000	133,200
Deutsche Telekom (DT)	225,243	218,341	217,349	215,675	210,533	227,584
Sprint	30,000	28,000	30,000	28,500	27,000	N/A
DT, Sprint combined	255,243	246,341	247,349	244,175	237,533	227,584
Telefónica	137,506	127,323	122,718	121,853	117,347	113,392
Orange	156,191	155,202	151,556	150,711	146,768	142,501
Telecom Italia	65,867	61,229	59,429	57,901	55,198	52,480
BT	102,500	106,416	105,787	106,742	105,344	101,752
CenturyLink	43,000	40,000	51,000	45,000	42,500	39,000
Swisscom	21,637	21,127	20,506	19,845	19,317	19,026
KPN	14,078	13,530	13,275	12,431	11,248	10,194
Total	1,255,172	1,200,608	1,207,020	1,171,378	1,118,055	1,073,759
Difference	N/A	-54,564	6,412	-35,642	-53,323	-44,296
Percentage change	N/A	-4%	1%	-3%	-5%	-4%
Source: companies, Light Reading.

Finally, 6G will become no clearer – even while it receives more attention – as geopolitics and protectionism threaten to balkanize the industry and the global specifications bodies that feed it. Depending on who you speak to, 6G is simply an improvement on 5G, the telecom equivalent of Heineken (refreshing the parts other standards cannot reach), the ultimate realization of open RAN (see earlier prediction), the Strange Days movie brought to life or something to do with quantum computing. No wonder Kyle Malady, the chief technology officer of Verizon, sounds baffled.

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— Iain Morris, International Editor, Light Reading