Scrapy has a healthy and active community. Here is a list of the places where you can get help and stay notified of latests Scrapy news.
Getting involved and contributing
If you want to get involved and contribute patches or help documenting, start by reading Contributing to Scrapy.
All development happens on the Scrapy GitHub project
scrapy-users is the mailing list for Scrapy users, Scrapy development and announcements
There is a healthy community providing Scrapy help on Stack Overflow, along with the core developers. The scrapy tag has around 1,800 questions. If Stack Overflow is your preference, ask your question there.
Ask specific questions (don't ask to ask, don't ask if anyone is online, etc). If your question is clear & concise enough, it will probably get answered.
The Scrapy wiki contains a compilation of many community resources such as articles, blog posts, video & text tutorials, slides and talks
Follow Scrapy on Twitter to be notified of project progress, people using it, blog mentions, job offers, and other Scrapy news.
Snipplr is very popular for sharing useful Scrapy code snippets. Check out the scrapy tag on Snipplr.