This was indeed added for performance reasons. You can read more here.
Solution is searching on the front page, use the search page or search on Google, adding "site:bitcointalk.org" to the from of your search terms.
Topic: ** SELECT NO MORE THAN 5 BOARDS AT A TIME ** WTF? (Read 490 times)
I think that this was added becuse there are several million boards and any search is done on the Forum's servers (not using your computer's processing power). To duplicate what he did with the members list search - as it's too intensive on the servers.
You can do just like this. And now search at upper-right corner is useless.
Theymos changed it. It is pretty annoying, but if you want to search a board just go into the sub and use the search there.
What is that new rule that we can't search throughout the website anymore? We have to use google for that now? WTF!
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