Add PR refs to changelog

Add extra noise param for img2img operations

fix processing error that happens if batch_size is not a multiple of how many prompts/negative prompts there are #12509

get XYZ plot to work with recent changes to refined specified in fields of p rather than in settings

xyz_grid: support refiner_checkpoint and refiner_switch_at

Update SD XL commit hash

Fix typo in shared_options.py

separate Extra options

unperdictable -> unpredictable

Add RES sampler and reorder the sampler list

Fix MHA error with ex_bias and support ex_bias for layers which don't have bias

Fixes for `git checkout`, MPS/macOS fixes and optimizations

Fix typo in launch_utils.py

existance -> existence

add new callback for scripts to be used before processing