Very strange problem with Chrome and Electra, part 2

I have now done a lot of testing and I have the same problem whether I use Big Sur, Monterey, Ventura, Sonoma or Sequoia. What happens is the following. I log in to the Electra web app. Go to the sysex editor and press the top right button. I get a response from Blofeld and a list is produced that allows me to link parameters to the sysex dump. Everything works fine so far.

But if I close Chrome it doesn’t work anymore. When I press the top right button, nothing happens. I see in my MIDI monitor that the dump request goes away and the dump is sent from Blofeld but. No list is built in the Electra sysex editor. It makes me wonder if Chrome is causing it. That it drops web MIDI somehow. The only way to get it working again is to clear Chrome’s history.

Has anyone else running a Mac run into this?

As you ignored my previous reply in the first thread (:blush:), let me ask you again:
Any extensions installed? If yes temporarily disable them.
Are you a tab hoarder? Maybe another tab with Elektra open

What mid interface?
Maybe try with Vivaldi (also chromium based) and see if that changes anything

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Thanks for reply. No, I’m not ignoring you, I forgot to reply :grin: I have no extensions installed at all. I don’t use tabs and my MIDI interfaces are two iConnectivity mioXLs. Thanks for the tip about Vivaldi, will try it.

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On a windows PC with Chrome, when I’m putting putting the E1 editor in listening mode (you I can link sysex bits and bytes to parameters) and you send that preset over to the E1, it will turn the E1 into a limbo mode: it works apparently but won’t react to incoming SysEx.
Solution: always turn off the listening mode before you send a preset from PC to E1.
Could it be something similar on a Mac?

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What I do is the following. I set Electra to listen and press the upper right button. Blofeld answer and Electra builds a list. Then I set Electra to stop listen and exit the editor. I can login and continue if I want and it works but… as soon I quit Chrome it do not work anymore until I delete Chrome history.

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I am trying to replicate that issue. Everything works ok so far. I am on Sonoma / chrome 129.00.6668.70.

I can capture multiple sysex dumps. I can turn the midi learn off and on and continue working again. It works without regard whether or not I restart the browser.

Besides extensions, any malware or higher security options installed? (eg. company owned computers sometimes have that).

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First of all. What kind of computer do I use? It’s a Mac mini M1 with 16GB of ram. I just did a clean install (2 hours ago) with Sonoma version 14.7 Then I installed Chrome version 129.0.6668.90 (Official Build) (arm64). It’s the only thing on my computer right now. The first thing I do is delete all history in Chrome so I always start from scratch. I log in and the first thing that happens is this, see picture 1.

I save the password and click connect (in the red box), picture 2.

Then I test the sysex editor and it works as it should, picture 3.

I exit and close Chrome. Then I open Chrome and try again. I don’t need to log in or connect Electra this time. I go to the sysex editor and here it stops working. I set Electra on listening (as usual) I no longer get a response when I request a dump. Picture 4.

It doesn’t matter what I do in this situation. I restart the computer and try again, it doesn’t work. I delete all history in Chrome, now I have to log in again. Now it works. Yesterday I also installed a MIDI monitor (snoize). There I see that Electra sends out a dump request and Blofeld responds, but Electra does not build a list.

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