Feature Requests This is the category to use if you’d like to suggestion new features or functionality for any of the Developer resources such as the Ruby API, SketchUp SDK or other extension related features.
SketchUp SDK If you're working creating importers or exporters for SketchUp then you'll want to work with the SketchUp SDK. This is where you can discuss issues or ask questions about the process.
Ruby API Creating Extensions for SketchUp uses the Ruby API. Whether you're creating plugins, extensions or add-ons (synonyms for the same thing) then you'll need to know some Ruby. Post here if you're creating an Extension and have any questions.

[How to] Colourize code on the forum? (wiki) [Developers] (8)
Welcome to the new SketchUp Developer's forums! [Developers] (6)
About the Developers category [Developers] (1)
Sketchup metamodel [Developers] (1)
Storing empty array in Attribute Dictionaries [Ruby API] (2)
Pushpull to next [Ruby API] (5)
How to run a ruby file from a plugin [Ruby API] (2)
We need a developer! [Developers] (7)
Arcs and Circles for Preview Tool [Ruby API] (4)
Oauth Webdialog VS HTMLDialog [Ruby API] (6)
Spam == not free? ( 2 3 ) [Developers] (53)
C API missing method to get classification by index in list [Feature Requests] (1)
Export C++ SDK finally deprecated? [SketchUp SDK] (4)
IFC relationships has anyone had any joy? [Ruby API] (3)
UI.openpanel returns no slashes [Ruby API] (11)
Identifying an Entity (Group) with a Tool (InputPoint or PickHelper) [Ruby API] (4)
Toolbar icon size [Ruby API] (7)
Import IFC export OBJ [Developers] (3)
Component instance has incorrect scaling [SketchUp SDK] (6)
An observer activated before opening an instance? [Developers] (11)
Publishing & continuing abandoned extension ( 2 ) [Developers] (22)
SU2019 - Ruby version poll, and stand-alone Ruby poll [Ruby API] (7)
Learning How to License My Extensions and Need Help [Ruby API] (8)
Rubymine debug error SketchUp Pro 2018 [Ruby API] (6)
Sketchup.write_default location in SU2018 [Ruby API] (2)
Undo operations and Entity references [Ruby API] (2)
TestUp2 - unable to run tests [Developers] (14)
Negative Indexing into InstancePath [Ruby API] (8)
Inkscape Icon Template [Developers] (4)
Geolocating from the C-API SDK [SketchUp SDK] (4)