In this case you can use private windows. But your surfing won't be (totally) anonymous.

Thanks, i was searching for private tabs and didn't saw private windows :S

I can set Amazon default search engine, but i can't set engines that i create to default(there was a button in old version);

Happens also on Opera 12.16 and is due to security reasons, to avoid third parties hijacking your search.

Ok i understand that is a common hijack, but let users (maybe in "advanced mode") set that with a password instead of delete the possibility?

Similarly the search tab in quick access only with google?

http://blogs.opera.com/desktop/2014/02/opera-next-20-0-1387-30-update/#comment-1244134220

Yeah i thought that.

Anonymous browsing;

I don't think that any major browser will offer such option. (Note: anonymous browsing is not (directly) related to private browsing (using private tabs/windows)).

Sorry i meant private/reserved tabs.

I want to suggest some little features from old Opera version, i don't know what can be done, what is incompatible or what i miss sorry:

• I can set Amazon deafult search engine, but i can't set engines that i create to default(there was a button in old version);
• Similarly the search tab in quick access only with google? The drop-down menu with all engines created was a cool/useful thing (maybe this is an agreement with Google, but an optonal other serach tab or for example adding this feature in quick access local search tab);
• Anonymous browsing;
• Selecting the amount of disk cache/history/ram to use (or only a parameter);
• Customizable toolbar (home button for example is cool and chrome has it! + The drop-down menu with all engines near the address bar);
• Cool things in the address bar like progress bar/elements number during page loading, padlock icon disappearing on click in the bar showing complete address + details on click on the icon like now (maybe these optional for the user).

Sure i forgot some great things you already did in old version, don't throw in the trash thigs you did better than google.
We don't really need a chrome clone, you can do things google obviously can't or doesn't want (I might be wrong cause i don' t know leagal rules).
I don't think these are all impossible/heavy/incompatible/Google denied features. If i'm wrong tell me.