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Pin Gemma-4 transformers requirement to 5.5.0 stable (#4784)

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Gemma-4 support landed in transformers main
(huggingface/transformers#45192). Update the version pin from
5.5.0.dev0 to 5.5.0 across loader, Studio version switcher,
and the MLX installer. Also fix install_gemma4_mlx.sh which
referenced a non-existent v5.5-release branch -- pin it to
the correct commit (91b1ab1) instead.
This commit is contained in:
Daniel Han 2026-04-02 08:59:21 -07:00 • committed by GitHub
commit f1c3b9caa9
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3 changed files with 4 additions and 4 deletions
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4
install_gemma4_mlx.sh
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@ -132,8 +132,8 @@ step "install" "installing mlx, mlx-lm..."
uv pip install --python "$_VENV_PY" -q mlx mlx-lm 2>/dev/null
substep "done"
TRANSFORMERS_WHL="transformers-5.5.0.dev0-py3-none-any.whl"
TRANSFORMERS_GH="git+https://github.com/huggingface/transformers.git@v5.5-release"
TRANSFORMERS_WHL="transformers-5.5.0-py3-none-any.whl"
TRANSFORMERS_GH="git+https://github.com/huggingface/transformers.git@91b1ab1fdfa81a552644a92fbe3e8d88de40e167"
step "install" "installing transformers>=5.5.0..."
if uv pip install --python "$_VENV_PY" -q "$TRANSFORMERS_GH" 2>/dev/null; then

2
studio/backend/utils/transformers_version.py
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@ -60,7 +60,7 @@ _TRANSFORMERS_5_TOKENIZER_CLASSES: set[str] = {
_tokenizer_class_cache: dict[str, bool] = {}
# Versions
TRANSFORMERS_5_VERSION = "5.5.0.dev0"
TRANSFORMERS_5_VERSION = "5.5.0"
TRANSFORMERS_DEFAULT_VERSION = "4.57.6"
# Pre-installed directory for transformers 5.x — created by setup.sh / setup.ps1

2
unsloth/models/loader.py
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@ -78,7 +78,7 @@ SUPPORTS_QWEN3_MOE = transformers_version >= Version("4.50.3")
SUPPORTS_FALCON_H1 = transformers_version >= Version("4.53.0")
SUPPORTS_GEMMA3N = transformers_version >= Version("4.53.0")
SUPPORTS_GPTOSS = transformers_version >= Version("4.55.0")
SUPPORTS_GEMMA4 = transformers_version >= Version("5.5.0.dev0")
SUPPORTS_GEMMA4 = transformers_version >= Version("5.5.0")
# Transformers v5 meta-device loading corrupts non-persistent buffers (inv_freq).
# See _fix_rope_inv_freq() below for details.
_NEEDS_ROPE_FIX = transformers_version >= Version("5.0.0")