ISSUE-2194 (list-syntax-incompatibilities): Syntax of some list-type attributes in SVG Tiny 1.2 incompatible with those in SVG 1.1 [SVG 1.2 Tiny: Errata]
ISSUE-2284 (primitivesubregion_application): Clarify how the primitive subregion affects the filter input and outputs for all filter primitives [SVG Filters 1.2]