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Changelog

0.2.0 — 2026-05-16

  • Added: iOS LiteRT-LM text generation via vendored LiteRTLM-Swift / CLiteRTLM.xcframework. Validated on iPhone SE 3rd gen with gemma3-1b-it-int4.litertlm (Gemma 3 1B INT4). Gemma 4 E2B remains Android-validated only; it was not tested on SE 3rd gen because of memory limits.

  • Added: sampleMemoryAsync() — returns the current process phys_footprint in MB for Stage B integration measurement (Phase 14 D-07). iOS only; surfaced via colocated ios/MemoryProbe.swift (task_info / TASK_VM_INFO). Stage B example app under example/ exercises the full Expo + RN + native bridge end-to-end against the rewrapped LiteRTLM-Swift xcframework on SE 3rd gen.

  • Changed: scripts/sync-litertlm-swift.sh rewritten — now fetches rewrapped LiteRTLM-Swift from helenkwok/LiteRTLM-Swift's GitHub Release by tag, verifies SHA-256 against rewrap-manifest.json, places artifacts under ios/BinaryPods/Frameworks/. Manual sync per Phase 14 D-34. Run make sync TAG=v<upstream>+rewrap.<n>.

  • Added: ios/BinaryPods/Frameworks/rewrap-manifest.json — trust anchor (source-controlled JSON, populated by sync script). xcframework binaries remain gitignored.

  • Added: ExpoLitertLm.podspec now reads vendored_frameworks and s.version from ios/BinaryPods/Frameworks/rewrap-manifest.json via Ruby JSON.parse at install time. Phase 14 D-31 single source of truth.

  • Added: Layer A/B/C verification gates (scripts/verify-consumption.sh, make verify). Layer A = pod install from fresh consumer; Layer B = grep gate for raw xcframework refs; Layer C = manifest-driven podspec consistency.

  • Added: .github/workflows/verify-consumption.yml — CI mirrors fork's three-layer gate on macos-latest.

  • Added: Expo config plugin (app.plugin.js) that injects the split binary pods required for iOS consumers. Verified under useFrameworks: "static"; useFrameworks: "dynamic" was rejected by CocoaPods because Expo SDK 55 includes static transitive binaries.

  • Fixed: iOS loadModelAsync accepts either a POSIX path or a file:// URL, including values returned by expo-document-picker.

  • Fixed: Stage B example now records cancelLatencyMs when cancellation ends before a final token event arrives.

  • BREAKING: iOS path migrated from MediaPipeTasksGenAI default-dep to vendored LiteRTLM-Swift (CLiteRTLM.xcframework + GemmaModelConstraintProvider.xcframework). Consumers must run pod install after upgrade.

  • BREAKING: ExpoLitertLm.podspec no longer carries static_framework = true — see CocoaPods issue #11948 + offlineaid Phase 14 CONTEXT D-21. Static linkage of a dylib-containing xcframework crashes the host app at launch.

  • BREAKING: MediaPipe .task support moves to opt-in MediaPipeFallback subspec; default install does not include MediaPipeTasksGenAI on iOS. Consumers who need it: pod 'ExpoLitertLm', :subspecs => ['Core', 'MediaPipeFallback'] in their Podfile.

  • Added: scripts/sync-litertlm-swift.sh for manual fork sync. helenkwok/LiteRTLM-Swift is the upstream fork pinned by SHA; vendoring happens at sync-time, not at pod install-time.

  • Added: scripts/rewrap-xcframework.sh in the fork resolves upstream issue #6 offline (Info.plist CFBundleShortVersionString, loose-dylib promotion, dSYM emission). TestFlight validation deferred to v1.2 per offlineaid CONTEXT D-25.

  • Synced: Rewrapped LiteRTLM-Swift v0.10.2+rewrap.5 (2 xcframeworks, first sha256 ba2d0c9a6b2a...).

0.1.2 — 2026-05-12

  • docs: refine MTP framing — non-Adreno Android blocked by upstream LiteRT-LM#2211 (sampler dlopen cross-validated on Pixel 7 / Tensor G2) and #2227 (PowerVR drafter regression). No code changes.

0.1.1

  • chore: tighten peerDependencies + add Security section.

0.1.0

  • feat: initial expo-litert-lm — Expo Modules bindings for LiteRT-LM.