MBP 13 2018 - Safari stutter/glitch/freeze - can someone please test?

Hello,

This is the fix that I applied this morning that worked permanently. It also confirmed that it has nothing to do with a hardware problem.

**HDCP Errors iTunes\Safari fix**

Symptoms:

*You had to reset the PRAM on your Mac for whatever reason

*iTunes movies won't play. You either get a black playback window or an error related to HDCP.

*Hulu and Netflix movies won't play within the Safari browser.

*YouTube is unaffected by this.

*Hulu and Netflix still play within Chrome web browser.

*Windows 10 (VM nor Bootcamp) are unaffected by this bug

Fix (workaround):

*Boot into Recovery Mode on your Mac (command+R)

*Open terminal and type in the command EXACTLY as written:

nvram 8be4df61-93ca-11d2-aa0d-00e098032b8c:epid_provisioned=%01%00%00%00

and then press RETURN

It will go back to the prompt. Type reboot and RETURN.

BE sure NEVER TO RESET NVRAM UNTIL APPLE CONFIRMS IT IS SAFE TO DO on these new Mac models.(mine is 2018 MacBook Pro)

Apple doesn’t routinely monitor the discussions. These are mostly user to user discussions.

If you want to, you can send Apple feedback. They won't answer, but at least will know there is a problem or a suggestion for change. If enough people send feedback, it may get the problem/suggested change solved sooner.

Click here to send Feedback

Woke my super brand new 2018 MacBook Pro 15" v10.13 up and was looking at https://www.apple.com/macbook-pro/ noticed a very poor scrolling stutter especially over the high res pics. That link affect anyone else running 10.13? I'm assuming 10.14 will do the trick.

I'm seeing the exact same problem on my 2018 13-inch MacBook Pro, configured with i7 and 16 GB RAM. The Bloomberg and IMDB pages you linked reliably trigger the “hiccup” on my MBP; I also see it on some pages under washingtonpost.com and cnet.com, among other sites.

I brought my MBP to the Apple Store, where a technician said he'd heard other reports of the same thing happening, but that there's no fix at present. Weirdly, I wasn't able to reproduce the issue on one of the display units there—though I only tried a couple pages under washingtonpost.com, which is hit or miss (on my MBP, at least).

Can anyone else confirm this is (or isn't) happening on their 2018 MBPs?

I have this issue on the 2018 MBP 15" with i9 and 32Gb. In my experience/observation, this issue only happens after the machine woke up from sleep. For me it's like that every morning. If I don't let the machine get to deep sleep during the day, it will never happen. I think it may be a power management issue they need to fix in an update.

Same issue here. I have tried everything to get rid of the problem, but so far nothing. I'm going to install the latest Mojave beta to see if it still occurs there.

(Even a clean install onto an external drive of High Sierra exhibited the same behaviour).

Today i went to work in the morning and left my MBP unplugged with the lid closed. I just came home for lunch break, opened it and the bug is gone at the moment. It has to have something to do with the not plugging it in part because normally I do that before I leave. This thing is getting stranger and stranger. Did anyone have the same experience?

Update: Ok it appeared that the issue randomly fixed itself in the morning. All videos are playing smoothly and Beats 1 radio is playing. This is one of the weirdest bugs I've ever seen. Mouse is no longer choppy either.

I have the same issue. I noticed it on yahoo.com and 9to5mac.com. I run a 2016 MacBook Pro 13" Touch Bar. I have noticed the problem for a few months now. I went so far to reinstall the OS with no luck.

I have the same issue and it only seems to occur within Safari on certain webpages. Usually pages that have embedded ads or videos. For instance it does not occur here on Apple's support forum but it does occur on the Bloomberg and 9to5 Mac sites mentioned earlier. Both have video ads embedded

I have a MacBook Pro 15" 2018, 2,2GHz i7, 32GB and have the same issues. Websites with videos are stuttering, also when I'm using FaceTime the video freezes constantly. The problems started after upgrading to MacOS Mojave. Afterwards I performed a clean install but that didn't help.

I have the same issue in Safari when using an audio streaming page with some ads. The mouse seems to want to enlarge and jerk to a halt on all the links. I am not experiencing this nearly as bad in Chrome for whatever reason.

I just started experiencing the same thing on my MacBook Pro (13-inch, 2016, Four Thunderbolt 3 Ports).

It's exactly as you describe and exactly as your video shows. It seems to be the worst when Twitter is open in a browser tab.

Same problem on a 2016 13" MBP nTB. Running High Sierra 10.13.6

Was experiencing mouse pointer lag in both Safari and Chrome while watching video.

Reset PRAM/SMC.

Now I only experience the pointer lag in Safari (I.e. Chrome works).

Haven't tried the nvram/terminal hack yet.