# Update to 27.0!

Pretty quick update just two main things

wgpu::DeviceDescriptor now has an experimental_features field that tells WGPU if we want to use features that haven't been stablized. For the tutorial we set this to wgpu::ExperimentalFeatures::disabled()
PollType::Wait now has fields: submission_index and timeout. We can get the submission index from Queue::submit, but we only use this in a couple places so we'll just use PollType::wait_indefinitely().

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