Compatibility Release

Compatibility

• Pin GPyTorch == 1.9.0 (#1397).
• Pin linear_operator == 0.1.1 (#1397).

New Features

• Implement SaasFullyBayesianMultiTaskGP and related utilities (#1181, #1203).

Other Changes

• Support loading a state dict for SaasFullyBayesianSingleTaskGP (#1120).
• Update load_state_dict for ModelList to support fully Bayesian models (#1395).
• Add is_one_to_many attribute to input transforms (#1396).

Bug Fixes

• Fix PairwiseGP on GPU (#1388).