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To whom it may concern:
I'm Sema, the owner of jazz-soft.net and the developer of Jazz-Plugin.
Lately, I've seen complains from my visitors that that Livid Editor does not work in new browsers.
As I have noticed, the website is using an outdated Jazz-Plugin API that is no longer supported in the latest Chrome and Firefox.
If the person reading this is a developer at lividserver.com,
please consider switching from Jazz-Plugin API to a newer JZZ.js API -
It is compatible with Jazz-Plugin, with native Web MIDI API, and with the web extensions for the latest Chrome and Firefox.
I believe the code changes will be minimal - just substitute the Jazz-Plugin function calls with the JZZ functions.