August 2025: Implemented cross-repo binary-size optimizations and a unified mobile client config to reduce artifacts and improve deployment for Android, iOS, and Fuchsia. Delivered feature-driven reductions across two repos: (Shopify/grpc) grpc_small_clients config consolidating mobile optimizations under a single opt-in flag and applied to related feature flags to disable for small clients; (grpc/grpc) minimal_lb_policy to trim non-pick_first LBs and a small-client profile for Fuchsia with an opt-out flag to override for storage-constrained devices. No explicit major bug fixes documented in this data; focus was on performance, footprint, and maintainability. Technologies demonstrated include config-driven feature flags, build-time toggles, and cross-platform considerations (Android, iOS, Fuchsia).