PyTorch 2.12.0 Release

# PyTorch 2.12.0 Release Notes - [Highlights](#highlights) - [Backwards Incompatible Changes](#backwards-incompatible-changes) - [Deprecations](#deprecations) - [New Features](#new-features) - [Improvements](#improvements) - [Bug fixes](#bug-fixes) - [Performance](#performance) - [Documentation](#documentation) - [Developers](#developers) - [Security](#security) # Highlights Batched linalg.eigh on CUDA is up to 100x faster due to updated cuSolver backend selection. New torch.accelerator.Graph API unifies graph capture and replay across CUDA, XPU, and out-of-tree backends. torch.export.save ...