Today I wanted to animate the Ranges control in a Color Corrector. While this is possible, it seems that the interpolation is always stepped. Needless to say, this created a 'pop' in my element. I tested the Ranges tool itself, and it exhibits the same behavior. It would be great if the Ranges control could use the same kind of interpolation methods as every other control in Fusion.

when using the text+ tool, one cannot get a nice block format out of your text when using the frame option.
the best you can achieve is to use trial-and-error to change the text itself and then use the horizontal justify to balance it out-
however this workflow has limited use, since ultimately you will have a sentence that is shorter than the rest and that one will have massive spaces between the letters instead of just being justified left.
it isn't a clean way to work, and a cursory glance...

Often I wish there was a valve tool that would behave like a piperouter (heck, it could be added to a piperouter instead), but could be made to optionally output null.

Right now, most tools don't have an option to ignore an input. It's implied in the GUI and general UX that if a connection exists, the input will provide the data and thus a request is made.

So if you want to see what the tool would look like if there was no input, you have to disconnect it. Instead, I would like the option to...

When doing large sprites to be occluded by geometry we often get (naturally) large intersecting planes into our holdouts, creating these ugly stepped effects.
Would be great to have soft particles that can blender the intersection point to avoid this.

Nuke does it, and I do believe Unreal/Unity does this as well.

I would love to see an option added in the Loader so that frames follow the frame numbering on disk.

So say a frame sequence runs from 1001-1030, when loaded, would see a Loader's Global In set to 1001 and the Global Out to 1030.

(Even when the comp's Global In/Out would not extend to those frames I would still like to see the files' place in time fixed to their frame numbers.)

Affect Canvas checkbox in common controls

Many (most) 3D Trackers have the capability to create supervised tracking points, set by and adjusted by the user, in order to supplement and/or guide auto-tracking. Fusion's Camera Tracker would benefit from the ability to add existing point tracks and paths in order to supplement the data produced by automatically generated trackers.

An example of PFTrack's User Track node, followed by an Auto Track, showing both types of tracking points.

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USD is clearly the future of interchange formats for CG and VFX. SideFX's impressive commitment to it via H18/Solrais, Autodesk joining in on the fun with Anima lLogic and its active push is going to make some serious waves in the community.

Fusion really could use an update to its now ageing 3d toolset, especially on the rendering and shading side of things. Luckily USD caters to not just the file format and geometry but also how rendering are handled.

USD targets its own rendering scheme...