Change log

2.8.3
Tagged for 4.3

2.8.2
Fixed networking issue causing lines not to be sent across ppl on the channel

2.8
Support for patch 4.2

2.7.3
Support for patch 4.1
Fixed a problem with saving images showing erased symbols
Reduced message size on network

2.7.2b-
fixed major issue that prevented the add-on from working properly

2.7.2-
Support for ver 4.0.1
Minor Usability Enhancements

2.7.1-
Fixed the "Send Request" feature to be received from any channels as was intended

2.7-
NOTE: ver 2.7 is not compatible with 2.6, everyone should update or errors would come up

improved interface
drawing area is now bigger and removed background
added all 8 raid icons
fixed a bug when deleting an icon/symbol when no lines were drawn at all
fixed a permissions bug
added a session request message, to tell people on the selected channel to open whiteboard

2.6-
Project is now developed by Ehab Amer "Waheiba"
added feature to draw symbols (currently an X) on clicks aside from drawing lines (works in save/load also)
added raid permissions, only raid leader and assistants can change the image drawn in a raid channel.
Add-on starts hidden, type /wb or /whiteboard to show it.

Known caveats

None found in my tests, please let me know if you find one!