@code3 said in Help Developing in Web Panels: What event to listen for to know when the web panel is opened? This fires on panel opening but not closing: window.addEventListener('resize', () => { console.log("Panel opened..."); }); As long as you don't need to worry about detecting closing as well, then that should work. There is also this to check out: https://developer.mozilla.org/en-US/docs/Web/API/Resize_Observer_API

As soon as they stop having web panels wasting resources in the background, this will be useful. Thanks for sharing

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@kusokuzeshiki you may use Firefox with this extension https://addons.mozilla.org/en-US/firefox/addon/open-link-in-sidebar/ and open links in side bar. How to make Vivaldi team to make this?

@maxtao No one voted for this feature request yet, so don't hold your breath waiting for it. There are about 2,000 feature requests. If a feature is currently being worked on, it will be tagged as In Progress. Otherwise, you won't hear any news.

I was surprised that this didn't work already, since aren't web panels just web pages, and aren't web pages subject to the state of "Lazy Load Restored Tabs"? But if that's unchecked, web panels are still in the lazy load state (i.e. not loaded). Sure, these aren't tabs, exactly, but it's a distinction without much of a difference. Ideally, I guess, there should be a separate "Lazy Load Restored Web Panels" option for more versatility, but in the meantime it would have been nice if the existing setting pertained to web panels.

The Back/Forward, Refresh and Home Button Box is not skinned anymore with the newest Vivaldi Version. OK fixed it myself. Here the new addstyle Codeblock: addStyle([ '#panels .webpanel-stack .webpanel .webpanel-header { background-color: var(--colorBgWebpanel); color: var(--colorFgWebpanel); fill: var(--colorFgWebpanel); }', '#panels .button-toolbar { background-image: none; background-color: var(--colorBgWebpanel); color: var(--colorFgWebpanel); fill: var(--colorFgWebpanel); }', ].join('')) })();

@flooners You can ask here: https://forum.vivaldi.net/topic/27450/what-is-the-status-of-vb-already-reported-bug-issue

@potmeklecbohdan Thanks, I never use the context menu to refresh so I didn't notice it was there.

Yes. This would be awesome. Posted the same about a week ago... https://forum.vivaldi.net/topic/36502/separate-login-cookies-for-web-panels

Yeah, for me it would be really useful as well. For example, my Messenger is opening on a specific conversation each time, and I wanna change it.

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I think improvements have been made in more recent versions. Does it work now? If not, are there any specific sites on which it is broken?

@pesala So there may be a bug that caused my extensions not synced?

Ha ha, carrying your excellent instructions one tiny step further makes me a champion! I'm glad it worked.