 And by designing the whole system together hardware and software we're able to make the things you love about your Mac even better. Your Mac now instantly wakes from sleep just like the iPhone and iPad. Let me show you but first let's set the mood. How cool is that? Last week Apple released all of their new line of M1 Macs but alongside that they also had the public release of the new macOS Big Sur. Now there's a lot of videos currently online highlighting all the great features of this new macOS update. It ranges from things like a massive design overhaul, it makes it feel a little bit more like the iPad and a little bit like the iPhone. Right down to the tiny details like for example the sound effects have now also changed. When I mean sound effects I mean things like when you move something to the trash or you drag something from one folder to another folder you hear a little notification sound. Those have all changed and it's been a massive complete upgrade to any of the previous macOS's. Now I've been using macOS Big Sur ever since launch day and this video is going to be slightly different. I'm going to be highlighting the five key things which may or may not detail you from upgrading and these are the things that are very common. I've come across users online saying the same things as well. It's mainly for your benefit to understand if this is the right upgrade for you. Just before I begin these are the specs on my MacBook Pro that I have in front of me which is incredibly fast and is capable of handling any OS upgrades. So just bear this in mind when I discuss anything about performance. A lot of the things that I will be talking about performance wise are things that the users have reported online. I've come across various different articles that are reporting the same thing and how to fix them. So although I can basically handle any types of performance capabilities not everyone might. So just bear that in mind whilst you're watching this video. Without further ado let's dive in. Number one it is a very large file size. To upgrade to macOS Big Sur you need at least 12 to 15 gigabytes of storage space and a lot of people that I've come across they really use the max amount of storage that they possibly can on their hard drives. I have friends that have MacBook Air's 256 gigabyte max and they're pretty much on 200 gigabytes already. So as you get closer to maxing out your storage space you will get performance problems. So just bear that in mind when you're thinking about upgrading to this because it is a massive file. Number two is the incompatibility. The first thing to note is is your MacBook or your Mac compatible with this upgrade. Here's a list of all the devices that macOS Big Sur is compatible with. If any of your devices fall outside of this the upgrade will not work or it might not even be available for you guys to upgrade. So just make sure you're aware that you have a device that can upgrade to this. Secondly what I've noticed is about the app updates. So once I have installed macOS Big Sur I was expecting a couple of apps here and there to be incompatible with the new OS and I was correct. So as you can see here as soon as I logged in I immediately saw a couple of pop-ups requiring app updates which were not compatible with the OS and they wouldn't function properly until I had updated those specific apps. So you may have a lot of third-party apps that you've downloaded which would require specifically a new version of the app which might not be available at the time the new OS is out. So that might take a month, it could take a couple of weeks, it could take much longer. So just be aware if there's anything else that you think might not be available check with the app developers to see if they are macOS Big Sur ready. If not you might have to wait and that app might be unusable but then there's also things where you can have plugins inside apps that don't work. So for example Final Cut Pro X if you're a video editor like myself and you use this to create your videos then there could be some plugins you've installed inside Final Cut Pro X that may stop working here's an example. So as I was using a color grading application called Cinema Grade if I drag this onto the clip it will be incompatible. I contacted Cinema Grade they said they haven't updated their plugins specifically for Big Sur just yet. So right now I will be able to use this plugin to color grade my footage. So number three is performance. As I mentioned earlier on in the video my MacBook Pro is pretty fast and it can handle the performance pretty well. However there has been a lot of users reporting their macOS slowing down considerably once they upgraded. So take a look at some of these articles. There's been reports of it slowing down when the disk space has started to run out. There's been advice to run specific cleaning applications to delete all of the chunk files in your system. There's also recommendations to disable certain things that open up once you log in in case they are taking up a lot of processing power. But generally these are all common practices that you would need to do to speed up any MacBook on any OS. So if you are getting slow performance then these are the things that you would diagnose with. You will trial it. You will troubleshoot doing it this way. Specifically with macOS Big Sur there's been a lot of reports possibly because a lot of people don't have a fast processor on their devices or possibly because they're just running out of storage space. Something as simple as that. So just be aware. Check those things first before you upgrade because you may get your MacBook or your Mac to slow down slightly. Number four, battery life. Now based on everything that I've just spoken about in terms of performance it using up a lot of your space all of that kind of stuff contributes to how much battery life you can run off on your device especially your MacBooks without having your external power connected to it. So here's a clip of me using my MacBook Pro once it hits a 100% battery. I double checked to see how much remaining battery time there was left. At 100% on Catalina before I upgraded it said there was 4 hours and 19 minutes that I can use it for. I ran the same test on a Big Sur. I charged everything to 100%. I calculated it and it gave me a battery life remaining of two hours and nine minutes which is less than half. So something definitely happened there. Now although this is a very fast spec MacBook Pro I didn't believe that it would be two hours so I tested it. I carried on working without opening any additional intensive applications. Those two battery lives by the way had the exact same applications open so I only had Chrome and a couple of other things open. I didn't have anything else running in the background so it was a like for like comparison. It didn't last two hours. It gave me about three hours and 50 minutes which was still a little bit less than what I was like on Catalina. So I felt like the battery reduction was slightly less and a lot of people that are reporting their battery life has reduced drastically maybe correct in some ways. However once I've used this a couple of days later I felt like the battery life was absolutely fine. It was back up to more than four hours and if I wasn't doing anything heavy if I just leave it there I maybe step away. I've gone to get a coffee for example then I can probably get the same or even more than it was before but initially once I had upgraded I did notice that initial drop in battery life. And finally number five I wanted to highlight this. This might be a small thing but for me the small things make a biggest difference and even till today I experienced this issue which is around the widgets panel. Now this is a complete design overhaul. The widgets panel does look more like the iOS on iPhones and on iPads which is absolutely fine but when I used to use the widgets panel on Catalina and all of my previous OSs before this I used to use the calculator widget on this. So I used to just swipe left on the trackpad. The calculator was there and I was able to do quick calculations because I used that very frequently. Now however the calculator widget is gone. When I now swipe left the widgets panel you can add more widgets you can get them from the app store as well however there's no calculator ones so I find myself continually swiping to open the widgets panel not seeing the calculator there then I have to open the calculator app separately. I've been doing that almost every day for a week and it's something I still need to get used to so if you're like me and you did use the calculator on the widgets panel from previously if you upgrade forget about it it's gone and most likely if they don't do an update to bring it back it's never coming back. So that's a shame and there is other tiny little things that I've noticed here and there but things I can just get used to. Those are my top five things that I've noticed with some of the reasons why you may or may not upgrade to macOS Big Sur. So let me know what you guys think if you have upgraded and you found other problems then do drop a comment down below I'd like to hear from you and finally I'd just like to thank the sponsors of this video ExpressVPN. If you want the ultimate solution for private browsing and accessing content outside of your own countries this is the app to get. It works perfectly with macOS Big Sur I've tested it. The top features for this it connects to over 160 servers you can select the country yourself and you have over 94 countries for the ultimate private browsing. It opens up a whole world of new content that is geo restricted and it's much safer to use on public Wi-Fis. I do tend to go out and work in co-working spaces where they have public Wi-Fis and I use ExpressVPN for that all the time. 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