Drop support for PyTorch 2.5 and before #2720
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**Summary:** We gate on the PyTorch version throughout the repo. Recently PyTorch 2.8 was released, so the oldest PyTorch version we need to support is 2.6. After this commit, we assume the user is running PyTorch 2.6+, and remove all references to the following variables, which are deprecated. ``` TORCH_VERSION_AT_LEAST_2_6 TORCH_VERSION_AT_LEAST_2_5 TORCH_VERSION_AT_LEAST_2_4 TORCH_VERSION_AT_LEAST_2_3 TORCH_VERSION_AT_LEAST_2_2 TORCH_VERSION_AFTER_2_5 TORCH_VERSION_AFTER_2_4 TORCH_VERSION_AFTER_2_3 TORCH_VERSION_AFTER_2_2 ``` **Test Plan:** CI [ghstack-poisoned]
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/ao/2720
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andrewor14
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**Summary:** We gate on the PyTorch version throughout the repo. Recently PyTorch 2.8 was released, so the oldest PyTorch version we need to support is 2.6. After this commit, we assume the user is running PyTorch 2.6+, and remove all references to the following variables, which are deprecated. ``` TORCH_VERSION_AT_LEAST_2_6 TORCH_VERSION_AT_LEAST_2_5 TORCH_VERSION_AT_LEAST_2_4 TORCH_VERSION_AT_LEAST_2_3 TORCH_VERSION_AT_LEAST_2_2 TORCH_VERSION_AFTER_2_5 TORCH_VERSION_AFTER_2_4 TORCH_VERSION_AFTER_2_3 TORCH_VERSION_AFTER_2_2 ``` **Test Plan:** CI ghstack-source-id: ed3ac99 Pull Request resolved: #2720
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**Summary:** We gate on the PyTorch version throughout the repo. Recently PyTorch 2.8 was released, so the oldest PyTorch version we need to support is 2.6. After this commit, we assume the user is running PyTorch 2.6+, and remove all references to the following variables, which are deprecated. ``` TORCH_VERSION_AT_LEAST_2_6 TORCH_VERSION_AT_LEAST_2_5 TORCH_VERSION_AT_LEAST_2_4 TORCH_VERSION_AT_LEAST_2_3 TORCH_VERSION_AT_LEAST_2_2 TORCH_VERSION_AFTER_2_5 TORCH_VERSION_AFTER_2_4 TORCH_VERSION_AFTER_2_3 TORCH_VERSION_AFTER_2_2 ``` **Test Plan:** CI [ghstack-poisoned]
**Summary:** We gate on the PyTorch version throughout the repo. Recently PyTorch 2.8 was released, so the oldest PyTorch version we need to support is 2.6. After this commit, we assume the user is running PyTorch 2.6+, and remove all references to the following variables, which are deprecated. ``` TORCH_VERSION_AT_LEAST_2_6 TORCH_VERSION_AT_LEAST_2_5 TORCH_VERSION_AT_LEAST_2_4 TORCH_VERSION_AT_LEAST_2_3 TORCH_VERSION_AT_LEAST_2_2 TORCH_VERSION_AFTER_2_5 TORCH_VERSION_AFTER_2_4 TORCH_VERSION_AFTER_2_3 TORCH_VERSION_AFTER_2_2 ``` **Test Plan:** CI [ghstack-poisoned]
jerryzh168
reviewed
Aug 8, 2025
| @@ -11,6 +11,7 @@ | |||
| from typing import Any | |||
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| import torch | |||
| from torch.export import export_for_training | |||
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separate PR: we want to use torch.export.export now if the min pt version support is 2.6 I think
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Just quickly did this here: #2724
jerryzh168
approved these changes
Aug 8, 2025
**Summary:** We gate on the PyTorch version throughout the repo. Recently PyTorch 2.8 was released, so the oldest PyTorch version we need to support is 2.6. After this commit, we assume the user is running PyTorch 2.6+, and remove all references to the following variables, which are deprecated. ``` TORCH_VERSION_AT_LEAST_2_6 TORCH_VERSION_AT_LEAST_2_5 TORCH_VERSION_AT_LEAST_2_4 TORCH_VERSION_AT_LEAST_2_3 TORCH_VERSION_AT_LEAST_2_2 TORCH_VERSION_AFTER_2_5 TORCH_VERSION_AFTER_2_4 TORCH_VERSION_AFTER_2_3 TORCH_VERSION_AFTER_2_2 ``` **Test Plan:** CI [ghstack-poisoned]
**Summary:** We gate on the PyTorch version throughout the repo. Recently PyTorch 2.8 was released, so the oldest PyTorch version we need to support is 2.6. After this commit, we assume the user is running PyTorch 2.6+, and remove all references to the following variables, which are deprecated. ``` TORCH_VERSION_AT_LEAST_2_6 TORCH_VERSION_AT_LEAST_2_5 TORCH_VERSION_AT_LEAST_2_4 TORCH_VERSION_AT_LEAST_2_3 TORCH_VERSION_AT_LEAST_2_2 TORCH_VERSION_AFTER_2_5 TORCH_VERSION_AFTER_2_4 TORCH_VERSION_AFTER_2_3 TORCH_VERSION_AFTER_2_2 ``` **Test Plan:** CI [ghstack-poisoned]
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Stack from ghstack (oldest at bottom):
export_for_trainingwithtorch.export.export#2724change_linear_weights_to_*APIs #2721Summary: We gate on the PyTorch version throughout the repo.
Recently PyTorch 2.8 was released, so the oldest PyTorch version
we need to support is 2.6. After this commit, we assume the user
is running PyTorch 2.6+, and remove all references to the following
variables, which are deprecated.
Test Plan: CI