v0.4.0rc0

What's Changed

• Expose tfgnn.dataset_from_generator helper. by @copybara-service in #115
• Add triple converter for RDF-style input. by @copybara-service in #119
• Doc fix: The the intro page describes GNNs in some generality. by @copybara-service in #123
• Enables disabled runner tests from RNG changes in Keras by @copybara-service in #122
• Fixes error with named features in homogeneous constructor by @copybara-service in #121
• Let DatasetProviders raise FileNotFoundError if no files match pattern. by @copybara-service in #139
• Helper function for random reordering within segment ids. by @copybara-service in #135
• Updates Bazel dep to 2.8.0. by @copybara-service in #150
• In a GraphTensor guide example, add tf.constant(...) to clarify by @copybara-service in #162
• Shorten function name to_sampling_spec to build, maintaining backward-compatibility. by @copybara-service in #159
• Add streaming API to read Unigraph artifacts (node sets, edge sets) as iterables. by @copybara-service in #166
• Unsupervised (i.e.: model generated target vs. dataset generated label) refactors. by @copybara-service in #165
• Check checkpoint_options.checkpoint_dir: it may be unfilled in a caller's checkpoint_options. by @copybara-service in #172
• Multitask refactors. by @copybara-service in #181
• s/class_id/sparse_class_id/g by @copybara-service in #189
• Make runner/examples/ogbn/mag/train.py parametric in the GNN model type. by @copybara-service in #191
• Fix typo. by @copybara-service in #192
• Use strings to set BQ read method. by @copybara-service in #199
• Fix a typo/ by @copybara-service in #206
• Local tf import to avoid global session. by @copybara-service in #208

Full Changelog: v0.3.0...v0.4.0rc0