8 + disallow login if user is logged in
9 + disallow register if user is logged in
10 + common_current_user()
12 + session variable for login
17 + subscribe links on profile
20 + disallow direct to PHP files
22 - configuration for DB_DataObject
25 - require valid nicknames
26 - store canonical username for comparison and fetch
27 - use only canonical usernames
28 - use only canonical email addresses
29 - configuration system ($config)
30 - RSS 1.0 feeds of a user's notices
31 - RSS 1.0 dump of a user's notices
32 - RSS 1.0 feed of all public notices
33 - RDF dump of entire site
35 - license on showstream
36 - license on shownotice
37 - design from Open Source Web Designs
38 - TOS checkbox on register
41 - content negotiation for interface language
42 - content negotiation for content type
43 - content negotiation for encoding
44 - content negotiation for charset
45 - If-Modified-Since support
50 - add subscriber remote
52 - receive remote notice
54 - tinyurl-ification of URLs
55 - jQuery for as much as possible
57 - RDFa for stream pages
58 - RDFa for subscriber pages
59 - RDFa for subscribed pages
64 - stay logged in between sessions
65 - use RSS as a subscription
71 - forward notices to Jabber
72 - forward notices to other IM
73 - forward notices to mobile phone
74 - receive notices from Jabber
75 - receive notices from other IM
76 - receive notices from mobile phone
79 - include twitter subscriptions
80 - include Pownce subscriptions
82 - Wrap DB_DataObject with memcached caching layer
83 - login throttle to prevent brute-force attacks
84 - form token in login to prevent XSS
86 - Atom Publishing Protocol