Architecture Decisions
Design EngineeringSFASAccepted
Bidirectional UI is a core SFAS contract
RTL and LTR have equal release weight; direction comes from locale and shared CSS defaults to logical edges.
RTLLTRSFAS
Decision
The active locale determines document direction. Shared components use logical properties, while code, identifiers and similar technical islands remain LTR-isolated.
Release rule
A serious RTL regression and a serious LTR regression are equally release-blocking.