But you only have to resize the Opera window once...
No, you don't. It's called snap.
You have to agree with me that not everyone snaps the browser window everyday in their workflow, at least, so it might be a good workaround while the bug fix isn't released for some users?

Seriously? Are you really that desperate for everyone to agree with you? I don't care which solution you chose. Whatever works best for you, works best for you and that's fair enough. But not everyone is going to agree with you. And I was one of the ones that didn't agree with your solution. You kept arguing your points, which I only gave differing points that showed that for me, your solution was not satisfactory, for me. I wasn't arguing for everyone. I was only arguing from my side. I don't have to agree for everyone, because I am not the center of the universe and I'm not everyone else. So no, I don't have to admit anything just so you make yourself feel good about you wanting to be right. I will not speak for everybody else. I will only speak for my needs. Your solution doesn't work for me. If it works for others, then great. I'm glad they are happy with your fix. I've only offered a different solution (it's not even my solution, just a common sense solution) for people who find that solution unsatisfactory. It's not either of our places to fight for any one solution and push it on to others. You put your solution up. I put mine up. It's up to them to decide which is best for them. Because in the end, both solutions are only temporary until the next update that fixes the issue gets released. That's the way I see it and I'm not willing to entertain such a useless argument any further.

Same problem here. Downgrading in a few minutes to v22. It's very annoying not to be able to go outside windows without using the windows button. I really liked the new heart menu in v23, ah well, I'll wait.
Edit: Pfff, downgrading isn't a fine solution either. It will upgrade automatically to v23, and meanwhile your search engines and profile is messed up. Can't find the disable auto update, must be somewhere. Grr...
Edit2: "C:\Program Files (x86)\OperaN\launcher.exe" --disable-update should work, but it doen'st. I'm done here, will use chrome for a while until it's fixed.

Yeah, I knew about that as well. I hightlighted the issue for the search extensions not working in 22 because they've updated them for 23. Doesn't bother me as I have the actual google page as my home page. As for the updater, just block it with your firewall. Allow the Opera Browser to access the internet, but block the opera updater and it will prevent it from updating.

But you only have to resize the Opera window once...

No, you don't. It's called snap. Move the window all the way to the right/left and it snaps to half screen. Move the window to the top, it snaps to full screen. Drag anywhere else and it snaps to the user predefined size. Usually I have that size set to quarter screen. The method you're promoting requires me to lose my quarter screen snap and set it to almost full screen (without actually being full screen) just so I can get my taskbar to not be blocked by the browser. Which means that any time I want a mix of full screen windows and quarter size windows, I have to manually resize each window, every time, for what I need it to be. Which means, constant fiddling that only proves to be annoying. So NO, you don't have to resize it only once using the method your pushing. You have to do it constantly. So again, NO, your method is not preferable. For me, backdating just "ONE" update fixes the issue and means I don't have to deal with all the hassles and annoyance inherent to the "Workaround" you're "PEDDLING". I am not going to be at any risk using one version older than current.

Why don't you ask any number of people who know windows inside and out if it's preferable to use windows auto-update just so they can say they are on the latest version of windows. If you knew anything about windows update history, you would know it's not always a good thing. There has been a lot of instances where auto-updates caused far more damage than good. Thanks to Windows, there's now a term in the industry for it. They're called Rogue Updates. That's why most people in the IT field, turn off auto-update in windows and only do periodic bulk updates when they know there are no current issues with any of the windows updates.

Or you can stay in the latest version (isn't that preferable?) and use the workaround!

Um, No. I am a multitasker, hence I often use multiple windows. Some in full screen, some in smaller windows. Arranged in the way I need them to at the time I'm using them. I only want to set my window sizes once. So once I set my window sizes I want to switch between them quickly. I can't do that if I have to constantly resize my windows manually just so I can have my full screen windows not block the taskbar. So no, it's not preferable to use the latest version and have to constantly fiddle with the window sizes every time I open a new window just so I can say "OOOH I'M RUNNING THE "LATEST" VERSION!". It's easier for me to just revert back "one" version and use that one until the next update comes out. That way I don't have to constantly fiddle with window sizes. And I don't have to worry about my browser blocking my damn taskbar. Opera 22 worked perfectly. Opera 23 does not. Hence, why it's preferable for me to use Opera 22 until Opera releases an update that fixes this issue.

Or you could just install Opera 22 and avoid the whole thing altogether until an update that fixes the issue is released.

Bugger, can't edit my previous post!
I've just checked my version, and it version 23! Opera updated from 22 to 23 without my knowledge or permission! That is why I am having taskbar problems. How can I revert back to O22??!!

http://www.opera.com/download/guide/?os=windows&ver=22.0.1471.70&local=y

Here's the direct download link for the previous version of Opera 22. Just bear in mind that it seems like the extensions for Opera 22 no longer work. So you won't be able to use the search bar on the speed dial page. But that's a small gripe for me because I mainly use the actual google page anyway. Just make sure to allow the browser to access the internet, but block the autoupdater from accessing the internet through your firewall or it will just update to Opera 23 again. Why on earth Opera wouldn't put a way to turn off automatic updates in the settings I will never know. Such a basic option to overlook. Anyway, hope this helps for the meantime until Opera can release an update that fixes the taskbar blocking issue.

I'm having this exact same issue. Driving me nuts. I've now been forced to uninstall Opera and reinstall the previous version.