Libre Graphics World is running an
extensive interview with several Inkscape developers.

“I’d say we’re at the point of supporting SVG as much as possible,
but we’ve mostly given up trying to add editing features to the SVG
specification. As the W3C is dominated by web browsers who don’t need multi
page or connectors.

I dare not say much more about W3C-specific things. I know that I’m
personally disappointed that Inkscape’s considerable importance in the SVG
creation space does not lend itself to getting the feature we intend to
build into Inkscape into the actual SVG specification. This does lead to
the problem that going forwards we’re likely to have browser
incompatibilities.“

Source: LWN.net – Going above and beyond with Inkscape 1.0 (Libre Graphics World)