v0.12.2

• Pair this release with Apple companions llamadart_llama_cpp_flutter
0.0.23, llamadart_litert_lm_flutter 0.0.16 and
  llamadart_stable_diffusion_flutter 0.0.3, which link native runtimes
  v0.6.0-3, v0.18.0-1 and v0.2.0-3, respectively.

• The default llama.cpp runtime is now leehack/llamadart-native@v0.6.0-3,
  whose Apple frameworks declare their minimum OS version (iOS 16.4, macOS
  13.3) (#1037).

• Flutter iOS and macOS apps that keep llamadart_llama_cpp_flutter 0.0.22
  (native v0.6.0-2, the same binaries) still build, with a warning to depend
  on ^0.0.23 for the frameworks' minimum OS version metadata. Any other
  mismatched companion still fails the build, and the error names the
  companion version to depend on
  (#1063).

• The default LiteRT-LM runtime is now leehack/litert-lm-native@v0.18.0-1,
  whose macOS runtimes are arm64 only. Universal Flutter macOS apps with
  llamadart_litert_lm_flutter now launch on Intel Macs and under Rosetta
  instead of aborting; LiteRT-LM throws LlamaUnsupportedException on x86_64
  macOS (litert-lm-native#72).

• The build hook verifies every llama.cpp archive it downloads or reuses from
  its cache against a pinned SHA-256, or the release's SHA256SUMS when
  llamadart_native_tag or llamadart_native_repository overrides the
  release. A mismatched cached archive is downloaded again; a fresh download
  that does not match fails the build with NativeArchiveDigestException
  (#1015).

• A .litertlm bundle in a directory the process cannot write, such as an
  iOS app bundle, no longer fails GPU engine creation on iOS and Linux when
  liteRtLmCacheDir is unset: the GPU engine reuses caches already there or
  runs without them (#976).

• Image generation on Metal: ImageModelParams.vaeDirectConvolution: true
  throws LlamaUnsupportedException at load on iOS instead of returning
  corrupt images (#1044),
  and after a failed command buffer generation says the model must be
  reloaded and fails later generations on that engine with the same message
  (#1045).

• A model cache directory that cannot be created, such as an unwritable
  ModelLoadOptions.cacheDirectory, throws LlamaModelException naming the
  directory instead of a raw FileSystemException
  (#894). A download that
  fails TLS certificate verification says so in its LlamaModelException,
  and TLS certificate and handshake failures are no longer retried
  (#978).

• A ModelResolver that maps a remote source to a local mirror file now
  loads it when the download options set cacheDirectory, credentials or
  other download-only options, instead of throwing
  LlamaUnsupportedException
  (#897).

• ModelParams.loras with more than one adapter or a scale other than 1.0
  throws LlamaUnsupportedException before any adapter downloads when the
  model loads in LiteRT-LM, by backend, format or .litertlm extension
  (#891).

• The chat example no longer sends its stored Min-P to text to speech when
  the loaded runtime does not support Min-P
  (#747).

• Aligned the default WebGPU bridge assets to v0.1.59, unchanged from 0.12.1:
  they embed llama.cpp v0.6.0, are qualified against native v0.6.0, and
  keep Web/native llama.cpp v0.6.0@d81235049384534c167caea52b85a694f6103d14
  parity; Web LiteRT-LM is @litert-lm/core@0.18.0. Immutable Web asset
  manifest:
  f823b10417b212ff1f66aa1c46bf78af7d9c393497dfcf0fa3a4f77adeb260eb.