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Changelog

1.2.1

Bug Fixes and Other Changes

• Updating markdown version required to >= 2.6.8.
• Support tensors as dropout rates again, by removing the min(max(..))

1.2.0

Major Features and Improvements

• Python 3.6 support on Windows.
• Added tf.layers.conv3d_transpose layer for spatio temporal deconvolution.
• Added tf.Session.make_callable(), which provides a lower overhead means of running a similar step multiple times.
• Added libverbs-based RDMA support to contrib (courtesy junshi15 from Yahoo).
• Bring tf.feature_column.* into the API. Non-deprecated functionality from tf.contrib.layers.* is moved to tf.feature_column.* with cosmetic changes.
• RNNCell objects now subclass tf.layers.Layer. The strictness described
  in the TensorFlow 1.1 release is gone: The first time an RNNCell is used,
  it caches its scope. All future uses of the RNNCell will reuse variables from
  that same scope. This is a breaking change from the behavior of RNNCells
  in TensorFlow versions <= 1.0.1. TensorFlow 1.1 had checks in place to
  ensure old code works correctly with the new semantics; this version
  allows more flexible uses of RNNCell but can lead to subtle errors if
  using code meant for TensorFlow <= 1.0.1. For example, writing:
  MultiRNNCell([lstm] * 5) will now build a 5-layer LSTM stack where each
  layer shares the same parameters. To get 5 layers each with their own
  parameters, write: MultiRNNCell([LSTMCell(...) for _ in range(5)]).
  If at all unsure, first test your code with TF 1.1; ensure it raises no
  errors, and then upgrade to TF 1.2.
• RNNCells' variable names have been renamed for consistency with Keras layers.
  Specifically, the previous variable names "weights" and "biases" have
  been changed to "kernel" and "bias", respectively.
  This may cause backward incompatibility with regard to your old
  checkpoints containing such RNN cells, in which case you can use the tool
  checkpoint_convert script
  to convert the variable names in your old checkpoints.
• Many of the RNN functions and classes that were in the tf.nn namespace
  before the 1.0 release and which were moved to tf.contrib.rnn have now
  been moved back to the core namespace. This includes
  RNNCell, LSTMCell, GRUCell, and a number of other cells. These
  now reside in tf.nn.rnn_cell (with aliases in tf.contrib.rnn for backwards
  compatibility). The original tf.nn.rnn function is now tf.nn.static_rnn,
  and the bidirectional static and state saving static rnn functions are also
  now back in the tf.nn namespace.

Notable exceptions are the EmbeddingWrapper, InputProjectionWrapper and
OutputProjectionWrapper, which will slowly be moved to deprecation
in tf.contrib.rnn. These are inefficient wrappers that should often
be replaced by calling embedding_lookup or layers.dense as pre- or post-
processing of the rnn. For RNN decoding, this functionality has been replaced
with an alternative API in tf.contrib.seq2seq.

• Intel MKL Integration (https://software.intel.com/en-us/articles/tensorflow-optimizations-on-modern-intel-architecture). Intel developed a number of
  optimized deep learning primitives: In addition to matrix multiplication and
  convolution, these building blocks include:
  Direct batched convolution
  Pooling: maximum, minimum, average
  Normalization: LRN, batch normalization
  Activation: rectified linear unit (ReLU)
  Data manipulation: multi-dimensional transposition (conversion), split,
  concat, sum and scale.
• TensorForest Estimator now supports SavedModel export for serving.
• Support client-provided ClusterSpec's and propagate them to all workers to enable the creation of dynamic TensorFlow clusters.
• TensorFlow C library now available for Windows.
• We released a new open-source version of TensorBoard.
• SavedModel CLI tool available to inspect and execute MetaGraph in SavedModel
• Android releases of TensorFlow are now pushed to jcenter for easier
  integration into apps. See
  https://github.com/tensorflow/tensorflow/blob/master/tensorflow/contrib/android/README.md
  for more details.

Deprecations

• TensorFlow 1.2 may be the last time we build with cuDNN 5.1. Starting with
  TensorFlow 1.3, we will try to build all our prebuilt binaries with cuDNN 6.0.
  While we will try to keep our source code compatible with cuDNN 5.1, it will
  be best effort.

Breaking Changes to the API

• org.tensorflow.contrib.android.TensorFlowInferenceInterface now throws exceptions where possible and has simplified method signatures.

Changes to contrib APIs

• Added tf.contrib.util.create_example.
• Added bilinear interpolation to tf.contrib.image.
• Add tf.contrib.stateless for random ops with custom seed control.
• MultivariateNormalFullCovariance added to contrib/distributions/
• tensorflow/contrib/rnn undergoes RNN cell variable renaming for
  consistency with Keras layers. Specifically, the previous variable names
  "weights" and "biases" are changed to "kernel" and "bias", respectively.
  This may cause backward incompatibility with regard to your old
  checkpoints containing such RNN cells, in which case you can use the
  checkpoint_convert script
  to convert the variable names in your old checkpoints.
• Added tf.contrib.kernel_methods module with Ops and estimators for primal
  (explicit) kernel methods in TensorFlow.

Bug Fixes and Other Changes

• In python, Operation.get_attr on type attributes returns the Python DType
  version of the type to match expected get_attr documentation rather than the
  protobuf enum.
• tensorflow/contrib/rnn undergoes RNN cell variable renaming for
  consistency with Keras layers. Specifically, the previous variable names
  "weights" and "biases" are changed to "kernel" and "bias", respectively.
• Changed MIN_SDK version to 8.0 when building iOS libraries.
• Fixed LIBXSMM integration.
• Make decode_jpeg/decode_png/decode_gif handle all formats, since users frequently try to decode an image as the wrong type.
• Improve implicit broadcasting lowering.
• Improving stability of GCS/Bigquery clients by a faster retrying of stale transmissions.
• Remove OpKernelConstruction::op_def() as part of minimizing proto dependencies.
• VectorLaplaceDiag distribution added.
• Android demo no longer requires libtensorflow_demo.so to run (libtensorflow_inference.so still required)
• Added categorical_column_with_vocabulary_file.
• Introduce ops for batching/unbatching tensors across Session::Run() calls.
• Add tf.log_sigmoid(x) = tf.log(tf.sigmoid(x)) = -tf.nn.softplus(-x).
• Changed hooks lists to immutable tuples, and now allow any iterable for the associated arguments.
• Introduce TFDecorator.
• Added an Mfcc op for speech feature generation.
• Improved DirectSession::Run() overhead and error checking. Feeding a value of the wrong type will now synchronously raise an INVALID_ARGUMENT error instead of asynchronously raising an INTERNAL error. Code that depends on the (undefined) behavior when feeding a tensor of the wrong type may need to be updated.
• Added unreduced NONE, and reduced MEAN options for losses. Removed "WEIGHTED_" prefix from other Reduction constants.
• assertAllClose now handles dicts.
• Added Gmock matcher for HloInstructions.
• Add var name to errors on variable restore.
• Added an AudioSpectrogram op for audio feature generation.
• Added reduction arg to losses.
• tf.placeholder can represent scalar shapes and partially known.
• Remove estimator_spec(mode) argument.
• Added an AudioSpectrogram op for audio feature generation.
• TensorBoard disables all runs by default if there are more than 40 runs.
• Removed old doc generator code.
• GCS file system integration now supports domain buckets, e.g gs://bucket.domain.com/path.
• Add tf.summary.text for outputting text to TensorBoard.
• The "run" command of tfdbg's command-line interface now supports filtering of tensors by node name, op type and tensor dtype.
• tf.string_to_number now supports int64 and float64 outputs.

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

4F2E4A2E, Aaron Schumacher, Abhi Agg, admcrae, Adriano Carmezim, Adrià Arrufat,
agramesh1, Akimitsu Seo, Alan Mosca, Alex Egg, Alex Rothberg, Alexander Heinecke,
Alexander Matyasko, Alexandr Baranezky, Alexandre Caulier, Ali Siddiqui, Anand Venkat,
Andrew Hundt, Androbin, Anmol Sharma, Arie, Arno Leist, Arron Cao, AuréLien Geron, Bairen Yi,
Beomsu Kim, Carl Thomé, cfperez, Changming Sun, Corey Wharton, critiqjo, Dalei Li, Daniel
Rasmussen, Daniel Trebbien, DaríO Hereñú, David Eng, David Norman, David Y. Zhang, Davy Song, ddurham2,
Deepak Subburam, Dmytro Kyrychuk, Dominic Rossi, Dominik SchlöSser, Dustin Tran,
Eduardo Pinho, Egil Martinsson, Elliot Saba, Eric Bigelow, Erik Smistad, Evan Klitzke,
Fabrizio Milo, Falcon Dai, Fei Gao, FloopCZ, Fung Lam, Gautam, GBLin5566, Greg Peatfield,
Gu Wang, Guenther Schmuelling, Hans Pabst, Harun Gunaydin, Huaizheng, Ido Shamay, Ikaro
Silva, Ilya Edrenkin, Immexxx, James Mishra, Jamie Cooke, Jay Young, Jayaram Bobba,
Jianfei Wang, jinghua2, Joey Meyer, John Maidens, Jonghoon Jin, Julian Villella,
Jun Kim, Jun Shi, Junwei Pan, jyegerlehner, Karan Desai, Karel Van De Plassche,
Kb Sriram, KhabarlakKonstantin, Koan-Sin Tan, krivard, Kwotsin, Leandro Gracia Gil,
Li Chen, Liangliang He, Louie Helm, lspvic, Luiz Henrique Soares, LáSzló Csomor,
Mark Wong, Mathew Wicks, Matthew Rahtz, Maxwell Paul Brickner, Michael Hofmann, Miguel
Flores Ruiz De Eguino, MikeTam1021, Mortada Mehyar, Mycosynth, Namnamseo,
Nate Harada, Neven Miculinic, Nghia Tran, Nick Lyu, Niranjan Hasabnis, Nishidha, Oleksii
Kuchaiev, Oyesh Mann Singh, Panmari, Patrick, Paul Van Eck, Piyush Chaudhary, Quim Llimona,
Raingo, Richard Davies, Ruben Vereecken, Sahit Chintalapudi, Sam Abrahams, Santiago Castro,
Scott Sievert, Sean O'Keefe, Sebastian Schlecht, Shane, Shubhankar Deshpande, Spencer Schaber,
Sunyeop Lee, t13m, td2014, Thomas H. P. Andersen, Toby Petty, Umang Mehta,
Vadim Markovtsev, Valentin Iovene, Vincent Zhao, Vit Stepanovs, Vivek Rane, Vu Pham, wannabesrevenge,
weipingpku, wuhaixutab, wydwww, Xiang Gao, Xiaolin Lin, xiaoyaozhuzi, Yaroslav Bulatov, Yi Liu,
Yoshihiro Sugi, Yuan (Terry) Tang, Yuming Wang, Yuxin Wu, Zader Zheng, Zhaojun Zhang, zhengjiajin,
ZhipengShen, Ziming Dong, zjj2wry

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

1.1.0

Major Features and Improvements

• Added Java API support for Windows.
• Added tf.spectral module. Moved existing FFT ops to tf.spectral while
  keeping an alias in the old location (tf.*).
• Added 1D, 2D and 3D Fourier transform ops for real signals to tf.spectral.
• Added a tf.bincount function.
• Added Keras 2 API to contrib.
• Added a new lightweight queue-like object - RecordInput.
• Added tf.contrib.image.compose_transforms function.
• Bring tf.estimator.* into the API. Non-deprecated functionality from tf.contrib.learn.Estimator is moved to tf.estimator.Estimator with cosmetic changes.
• Docker images: TF images on gcr.io and Docker Hub are upgraded to ubuntu:16.04.
• Added the following features to TensorFlow Debugger (tfdbg):
• Ability to inspect Python source file against TF ops and tensors (command print_source / ps)
• New navigation bar in Curses-based UI
• NodeStepper (command invoke_stepper) now uses intermediate tensor dumps. It also uses TensorHandles as direct feeds during successive cont calls for improved performance and reduced memory consumption.
• Initial release of installation guides for Java, C, and Go.
• Added Text Dashboard to TensorBoard.

Deprecations

• TensorFlow 1.1.0 will be the last time we release a binary with Mac GPU support. Going forward, we will stop testing on Mac GPU systems. We continue to welcome patches that maintain Mac GPU support, and we will try to keep the Mac GPU build working.

Changes to contrib APIs

• The behavior of RNNCells is now stricter due to the transition towards making RNNCells act more like Keras layers.
• If an RNNCell is used twice in two different variable scopes, an error is raised describing how to avoid this behavior.
• If an RNNCell is used in a variable scope with existing conflicting variables, an error is raised showing that the RNNCell must be constructed with argument reuse=True.
• Deprecated contrib/distributions pmf, pdf, log_pmf, log_pdf.
• Moved bayesflow.special_math to distributions.
• tf.contrib.tensor_forest.python.tensor_forest.RandomForestDeviceAssigner removed.
• Changed some MVN classes and parameters:
• tf.contrib.distributions.MultivariateNormalFull replaced by tf.contrib.distributions.MultivariateNormalTriL.
• tf.contrib.distributions.MultivariateNormalCholesky replaced by tf.contrib.distributions.MultivariateNormalTriL
• tf.contrib.distributions.MultivariateNormalDiagWithSoftplusStDev replaced
  by tf.contrib.distributions.MultivariateNormalDiagWithSoftplusScale
• tf.contrib.distributions.MultivariateNormalDiag arguments changed from mu, diag_stddev to log, scale_diag.
• tf.contrib.distributions.MultivariateNormalDiagPlusVDVT removed.
• tf.contrib.distributions.MultivariateNormalDiagPlusLowRank added.

Bug Fixes and Other Changes

• Java: Support for loading models exported using the SavedModel API (courtesy EronWright).
• Go: Added support for incremental graph execution.
• Fix a bug in the WALS solver when single-threaded.
• Added support for integer sparse feature values in tf.contrib.layers.sparse_column_with_keys.
• Fixed tf.set_random_seed(0) to be deterministic for all ops.
• Stability improvements for the GCS file system support.
• Improved TensorForest performance.
• Added support for multiple filename globs in tf.matching_files.
• LogMessage now includes a timestamp as beginning of a message.
• Added MultiBox person detector example standalone binary.
• Android demo: Makefile build functionality added to build.gradle to fully support building TensorFlow demo in Android on Windows.
• Android demo: read MultiBox priors from txt file rather than protobuf.
• Added colocation constraints to StagingArea.
• sparse_matmul_op reenabled for Android builds.
• Restrict weights rank to be the same as the broadcast target, to avoid ambiguity on broadcast rules.
• Upgraded libxsmm to 1.7.1 and applied other changes for performance and memory usage.
• Fixed bfloat16 integration of LIBXSMM sparse mat-mul.
• Improved performance and reduce memory usage by allowing ops to forward input buffers to output buffers and perform computations in-place.
• Improved the performance of CPU assignment for strings.
• Speed up matrix * vector multiplication and matrix * matrix with unknown shapes.
• C API: Graph imports now support input remapping, control dependencies, and returning imported nodes (see TF_GraphImportGraphDefWithReturnOutputs())
• Multiple C++ API updates.
• Multiple TensorBoard updates including:
• Users can now view image summaries at various sampled steps (instead of just the last step).
• Bugs involving switching runs as well as the image dashboard are fixed.
• Removed data download links from TensorBoard.
• TensorBoard uses a relative data directory, for easier embedding.
• TensorBoard automatically ignores outliers for domain calculation, and formats proportional values consistently.
• Multiple tfdbg bug fixes:
• Fixed Windows compatibility issues.
• Command history now persists across runs.
• Bug fix in graph validation related to tf.while_loops.
• Java Maven fixes for bugs with Windows installation.
• Backport fixes and improvements from external keras.
• Keras config file handling fix.

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

A. Besir Kurtulmus, Adal Chiriliuc, akash, Alec-Desouza, Alex Rothberg, Alex
Sergeev, Alexander Heinecke, Allen Guo, Andreas Madsen, Ankesh Anand, Anton
Loss, Aravind, Arie, Ashutosh Das, AuréLien Geron, Bairen Yi, bakunyo, Ben
Visser, Brady Zhou, Calpa Liu, Changming Sun, Chih Cheng Liang, Christopher
Berner, Clark Zinzow, Conchylicultor, Dan Ellis, Dan J, Dan Jarvis, Daniel
Ylitalo, Darren Garvey, David Norman, David Truong, DavidNorman, Dimitar
Pavlov, Dmitry Persiyanov, Eddie, elirex, Erfan Noury, Eron Wright, Evgeny
Mazovetskiy, Fabrizio (Misto) Milo, fanlu, Fisher Coder, Florian Courtial,
Franck Dernoncourt, Gagan Goel, Gao, Xiang, Gautam, Gefu Tang, guilherme,
guschmue, Hannah Provenza, Hans Pabst, hartb, Hsiao Yi, Huazuo Gao, Igor
ChorążEwicz, Ivan Smirnov, Jakub Kolodziejczyk, Jason Gavris, Jason Morton, Jay
Young, Jayaram Bobba, Jeremy Sawruk, Jiaming Liu, Jihun Choi, jiqiu, Joan Thibault,
John C F, Jojy George Varghese, Jon Malmaud, Julian Berman, Julian Niedermeier,
Junpeng Lao, Kai Sasaki, Kankroc, Karl Lessard, Kyle Bostelmann, Lezcano, Li
Yi, Luo Yun, lurker, Mahmoud-Abuzaina, Mandeep Singh, Marek Kolodziej, Mark
Szepieniec, Martial Hue, Medhat Omr, Memo Akten, Michael Gharbi, MichaëL Defferrard,
Milan Straka, MircoT, mlucool, Muammar Ibn Faisal, Nayana Thorat, nghiattran,
Nicholas Connor, Nikolaas Steenbergen, Niraj Patel, Niranjan Hasabnis, Panmari,
Pavel Bulanov, Philip Pries Henningsen, Philipp Jund, polonez, Prayag Verma, Rahul
Kavi, Raphael Gontijo Lopes, rasbt, Raven Iqqe, Reid Pryzant, Richard Shin, Rizwan
Asif, Russell Kaplan, Ryo Asakura, RüDiger Busche, Saisai Shao, Sam Abrahams, sanosay,
Sean Papay, seaotterman, selay01, Shaurya Sharma, Sriram Narayanamoorthy, Stefano
Probst, taknevski, tbonza, teldridge11, Tim Anglade, Tomas Reimers, Tomer Gafner,
Valentin Iovene, Vamsi Sripathi, Viktor Malyi, Vit Stepanovs, Vivek Rane, Vlad Firoiu,
wangg12, will, Xiaoyu Tao, Yaroslav Bulatov, Yi Liu, Yuan (Terry) Tang, Yufeng,
Yuming Wang, Yuxin Wu, Zafar Takhirov, Ziming Dong

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

1.0.1

Bug Fixes and Other Changes

• Change GraphConstructor to not increase the version when importing, but instead take the min of all versions.
• Google Cloud Storage fixes.
• Removed tf.core and tf.python modules from the API. These were never intended to be exposed. Please use the same objects through top-level tf module instead.

1.0.0

Major Features and Improvements

• XLA (experimental): initial release of XLA, a domain-specific compiler for TensorFlow graphs, that targets CPUs and GPUs.
• TensorFlow Debugger (tfdbg): command-line interface and API.
• New python 3 docker images added.
• Made pip packages pypi compliant. TensorFlow can now be installed by pip install tensorflow command.
• Several python API calls have been changed to resemble NumPy more closely.
• Android: person detection + tracking demo implementing Scalable Object
  Detection using Deep Neural Networks.
• New (experimental) Java API.
• Add new Android image stylization demo based on "A Learned Representation For Artistic Style", and add YOLO object detector support.

Breaking Changes to the API
To help you upgrade your existing TensorFlow Python code to match the API changes below, we have prepared a conversion script.

• TensorFlow/models have been moved to a separate github repository.
• Division and modulus operators (/, //, %) now match Python (flooring)
  semantics. This applies to tf.div and tf.mod as well. To obtain forced
  integer truncation based behaviors you can use tf.truncatediv
  and tf.truncatemod.
• tf.divide() is now the recommended division function. tf.div() will
  remain, but its semantics do not respond to Python 3 or from future
  mechanisms.
• tf.reverse() now takes indices of axes to be reversed. E.g.
  tf.reverse(a, [True, False, True]) must now be written as
  tf.reverse(a, [0, 2]). tf.reverse_v2() will remain until 1.0 final.
• tf.mul, tf.sub and tf.neg are deprecated in favor of tf.multiply,
  tf.subtract and tf.negative.
• tf.pack and tf.unpack are deprecated in favor of tf.stack and
  tf.unstack.
• TensorArray.pack and TensorArray.unpack are getting deprecated in favor of
  TensorArray.stack and TensorArray.unstack.
• The following Python functions have had their arguments changed to use axis
  when referring to specific dimensions. We have kept the old keyword arguments
  for compatibility currently, but we will be removing them well before the
  final 1.0.
• tf.argmax: dimension becomes axis
• tf.argmin: dimension becomes axis
• tf.count_nonzero: reduction_indices becomes axis
• tf.expand_dims: dim becomes axis
• tf.reduce_all: reduction_indices becomes axis
• tf.reduce_any: reduction_indices becomes axis
• tf.reduce_join: reduction_indices becomes axis
• tf.reduce_logsumexp: reduction_indices becomes axis
• tf.reduce_max: reduction_indices becomes axis
• tf.reduce_mean: reduction_indices becomes axis
• tf.reduce_min: reduction_indices becomes axis
• tf.reduce_prod: reduction_indices becomes axis
• tf.reduce_sum: reduction_indices becomes axis
• tf.reverse_sequence: batch_dim becomes batch_axis, seq_dim becomes seq_axis
• tf.sparse_concat: concat_dim becomes axis
• tf.sparse_reduce_sum: reduction_axes becomes axis
• tf.sparse_reduce_sum_sparse: reduction_axes becomes axis
• tf.sparse_split: split_dim becomes axis
• tf.listdiff has been renamed to tf.setdiff1d to match NumPy naming.
• tf.inv has been renamed to be tf.reciprocal (component-wise reciprocal)
  to avoid confusion with np.inv which is matrix inversion
• tf.round now uses banker's rounding (round to even) semantics to match NumPy.
• tf.split now takes arguments in a reversed order and with different
  keywords. In particular, we now match NumPy order as
  tf.split(value, num_or_size_splits, axis).
• tf.sparse_split now takes arguments in reversed order and with different
  keywords. In particular we now match NumPy order as
  tf.sparse_split(sp_input, num_split, axis). NOTE: we have temporarily
  made tf.sparse_split require keyword arguments.
• tf.concat now takes arguments in reversed order and with different keywords. In particular we now match NumPy order as tf.concat(values, axis, name).
• tf.image.decode_jpeg by default uses the faster DCT method, sacrificing
  a little fidelity for improved speed. One can revert to the old
  behavior by specifying the attribute dct_method='INTEGER_ACCURATE'.
• tf.complex_abs has been removed from the Python interface. tf.abs
  supports complex tensors and should be used instead.
• In the C++ API (in tensorflow/cc), Input, Output, etc. have moved
  from the tensorflow::ops namespace to tensorflow.
• Template.var_scope property renamed to .variable_scope
• SyncReplicasOptimizer is removed and SyncReplicasOptimizerV2 renamed to SyncReplicasOptimizer.
• tf.zeros_initializer() and tf.ones_initializer() now return a callable
  that must be called with initializer arguments, in your code replace
  tf.zeros_initializer with tf.zeros_initializer().
• SparseTensor.shape has been renamed to SparseTensor.dense_shape. Same for
  SparseTensorValue.shape.
• Replace tf.scalar_summary, tf.histogram_summary, tf.audio_summary, tf.image_summary with tf.summary.scalar, tf.summary.histogram, tf.summary.audio, tf.summary.image, respectively. The new summary ops take name rather than tag as their first argument, meaning summary ops now respect TensorFlow name scopes.
• Replace tf.train.SummaryWriter and tf.train.SummaryWriterCache with tf.summary.FileWriter and tf.summary.FileWriterCache.
• Removes RegisterShape from public API. Use C++ shape function registration
  instead.
• Deprecated _ref dtypes from the python API.
• In the C++ API (in tensorflow/cc), Input, Output, etc. have moved
  from the tensorflow::ops namespace to tensorflow.
• Change arg order for {softmax,sparse_softmax,sigmoid}_cross_entropy_with_logits to be (labels, predictions), and force use of named args.
• tf.nn.rnn_cell.* and most functions in tf.nn.rnn.* (with the exception of dynamic_rnn and raw_rnn) are temporarily in tf.contrib.rnn. They will be moved back into core for TF 1.2.
• tf.nn.sampled_softmax_loss and tf.nn.nce_loss have both changed their API such that you need to switch the inputs, labels to labels, inputs parameters.
• The shape keyword argument of the SparseTensor constructor changes its name to dense_shape between Tensorflow 0.12 and Tensorflow 1.0.

Bug Fixes and Other Changes

• Numerous C++ API updates.
• New op: parallel_stack.
• Introducing common tf io compression options constants for
  RecordReader/RecordWriter.
• Add sparse_column_with_vocabulary_file, to specify a feature column that
  transform string features to IDs, where the mapping is defined by a vocabulary
  file.
• Added index_to_string_table which returns a lookup table that maps indices to
  strings.
• Add string_to_index_table, which returns a lookup table that matches strings
  to indices.
• Add a ParallelForWithWorkerId function.
• Add string_to_index_table, which returns a lookup table that matches strings
  to indices.
• Support restore session from checkpoint files in v2 in contrib/session_bundle.
• Added a tf.contrib.image.rotate function for arbitrary angles.
• Added tf.contrib.framework.filter_variables as a convenience function to
  filter lists of variables based on regular expressions.
• make_template() takes an optional custom_getter_ param.
• Added comment about how existing directories are handled by
  recursive_create_dir.
• Added an op for QR factorizations.
• Divides and mods in Python API now use flooring (Python) semantics.
• Android: pre-built libs are now built nightly.
• Android: cmake/gradle build for TensorFlow Inference library under
  contrib/android/cmake
• Android: Much more robust Session initialization code.
• Android: TF stats now exposed directly in demo and log when debug mode is
  active
• Android: new/better README.md documentation
• saved_model is available as tf.saved_model.
• Empty op is now stateful.
• Improve speed of scatter_update on the cpu for ASSIGN operations.
• Change reduce_join to treat reduction_indices in the same way as other reduce_ ops.
• Move TensorForestEstimator to contrib/tensor_forest.
• Enable compiler optimizations by default and allow configuration in configure.
• tf.divide now honors the name field.
• Make metrics weight broadcasting more strict.
• Add new queue-like StagingArea and new ops: stage and unstage.
• Enable inplace update ops for strings on CPU. Speed up string concat.

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

Aaron Hu, Abhishek Aggarwal, Adam Michael, Adriano Carmezim, AfirSraftGarrier,
Alexander Novikov, Alexander Rosenberg Johansen, Andrew Gibiansky, Andrew Hundt,
Anish Shah, Anton Loss, b0noI, BoyuanJiang, Carl Thomé, Chad Kennedy, Comic
Chang, Connor Braa, Daniel N. Lang, Daniel Trebbien,
danielgordon10, Darcy Liu, Darren Garvey, Dmitri Lapin, Eron Wright, Evan
Cofer, Fabrizio Milo, Finbarr Timbers, Franck Dernoncourt, Garrett Smith,
guschmue, Hao Wei, Henrik Holst, Huazuo Gao, Ian, Issac, Jacob Israel,
Jangsoo Park, Jin Kim, Jingtian Peng, John Pope, Kye Bostelmann, Liangliang He,
Ling Zhang, Luheng He, Luke Iwanski, lvli, Michael Basilyan, Mihir Patel,
Mikalai Drabovich, Morten Just, newge, Nick Butlin, Nishant Shukla,
Pengfei Ni, Przemyslaw Tredak, rasbt, Ronny, Rudolf Rosa, RustingSword,
Sam Abrahams, Sam Putnam, SeongAhJo, Shi Jiaxin, skavulya, Steffen MüLler,
TheUSER123, tiriplicamihai, vhasanov, Victor Costan, Vit Stepanovs,
Wangda Tan, Wenjian Huang, Xingdong Zuo, Yaroslav Bulatov, Yota Toyama,
Yuan (Terry) Tang, Yuxin Wu

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

0.12.0

Major Features and Improvements

• TensorFlow now builds and runs on Microsoft Windows (tested on Windows 10,
  Windows 7, and Windows Server 2016). Supported languages include Python (via a
  pip package) and C++. CUDA 8.0 and cuDNN 5.1 are supported for GPU
  acceleration. Known limitations include: It is not currently possible to load
  a custom op library. The GCS and HDFS file systems are not currently
  supported. The following ops are not currently implemented:
  Dequantize, QuantizeAndDequantize, QuantizedAvgPool,
  QuantizedBatchNomWithGlobalNormalization, QuantizedBiasAdd, QuantizedConcat,
  QuantizedConv2D, QuantizedMatmul, QuantizedMaxPool,
  QuantizeDownAndShrinkRange, QuantizedRelu, QuantizedRelu6, QuantizedReshape,
  QuantizeV2, RequantizationRange, and Requantize.
• Go: Experimental API in Go to create and execute graphs
  (https://godoc.org/github.com/tensorflow/tensorflow/tensorflow/go)
• New checkpoint format becomes the default in tf.train.Saver. Old V1
  checkpoints continue to be readable; controlled by the write_version
  argument, tf.train.Saver now by default writes out in the new V2
  format. It significantly reduces the peak memory required and latency
  incurred during restore.
• Added a new library for library of matrix-free (iterative) solvers for linear
  equations, linear least-squares, eigenvalues and singular values in
  tensorflow/contrib/solvers. Initial version has lanczos bidiagonalization,
  conjugate gradients and CGLS.
• Added gradients for matrix_solve_ls and self_adjoint_eig.
• Large cleanup to add second order gradient for ops with C++ gradients and
  improve existing gradients such that most ops can now be differentiated
  multiple times.
• Added a solver for ordinary differential equations,
  tf.contrib.integrate.odeint.
• New contrib module for tensors with named axes, tf.contrib.labeled_tensor.
• Visualization of embeddings in TensorBoard.

Breaking Changes to the API

• BusAdjacency enum replaced with a protocol buffer DeviceLocality. PCI bus
  indexing now starts from 1 instead of 0, and bus_id==0 is used where
  previously BUS_ANY was used.
• Env::FileExists and FileSystem::FileExists now return a tensorflow::Status
  instead of a bool. Any callers to this function can be converted to a bool
  by adding .ok() to the call.
• The C API type TF_SessionWithGraph has been renamed to TF_Session,
  indicating its preferred use in language bindings for TensorFlow.
  What was previously TF_Session has been renamed to TF_DeprecatedSession.
• Renamed TF_Port to TF_Output in the C API.
• Removes RegisterShape from public API. Use C++ shape function registration instead.
  indexing now starts from 1 instead of 0, and bus_id==0 is used where
  previously BUS_ANY was used.
• Most RNN cells and RNN functions now use different variable scopes to be
  consistent with layers (tf.contrib.layers). This means old checkpoints
  written using this code will not load after this change without providing
  Saver a list of variable renames. Examples of variable scope changes
  include RNN -> rnn in tf.nn.rnn, tf.nn.dynamic_rnn and moving from
  Linear/Matrix -> weights and Linear/Bias -> biases in most RNN cells.
• Deprecated tf.select op. tf.where should be used instead.
• SparseTensor.shape has been renamed to SparseTensor.dense_shape. Same for
  SparseTensorValue.shape.
• Env::FileExists and FileSystem::FileExists now return a
  tensorflow::Status instead of a bool. Any callers to this function can be
  converted to a bool by adding .ok() to the call.
• C API: Type TF_SessionWithGraph has been renamed to TF_Session, indicating
  its preferred use in language bindings for TensorFlow. What was previously
  TF_Session has been renamed to TF_DeprecatedSession.
• C API: Renamed TF_Port to TF_Output.
• C API: The caller retains ownership of TF_Tensor objects provided to
  TF_Run, TF_SessionRun, TF_SetAttrTensor etc.
• Renamed tf.image.per_image_whitening() to
  tf.image.per_image_standardization()
• Move Summary protobuf constructors to tf.summary submodule.
• Deprecate histogram_summary, audio_summary, scalar_summary,
  image_summary, merge_summary, and merge_all_summaries.
• Combined batch_* and regular version of linear algebra and FFT ops. The
  regular op now handles batches as well. All batch_* Python interfaces were
  removed.
• tf.all_variables, tf.VARIABLES and tf.initialize_all_variables renamed
  to tf.global_variables, tf.GLOBAL_VARIABLES and
  tf.global_variables_initializer respectively.
• tf.zeros_initializer() and tf.ones_initializer() now return a callable
  that must be called with initializer arguments, in your code replace
  tf.zeros_initializer with tf.zeros_initializer()

Bug Fixes and Other Changes

• Use threadsafe version of lgamma function.
• Fix tf.sqrt handling of negative arguments.
• Fixed bug causing incorrect number of threads to be used for multi-threaded
  benchmarks.
• Performance optimizations for batch_matmul on multi-core CPUs.
• Improve trace, matrix_set_diag, matrix_diag_part and their gradients to
  work for rectangular matrices.
• Support for SVD of complex valued matrices.

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

a7744hsc, Abhi Agg, admcrae, Adriano Carmezim, Aki Sukegawa, Alex Kendall,
Alexander Rosenberg Johansen, amcrae, Amlan Kar, Andre Simpelo, Andreas Eberle,
Andrew Hundt, Arnaud Lenglet, b0noI, Balachander Ramachandran, Ben Barsdell,
Ben Guidarelli, Benjamin Mularczyk, Burness Duan, c0g, Changming Sun,
chanis, Corey Wharton, Dan J, Daniel Trebbien, Darren Garvey, David Brailovsky,
David Jones, Di Zeng, DjangoPeng, Dr. Kashif Rasul, drag0, Fabrizio (Misto)
Milo, FabríCio Ceschin, fp, Ghedeon, guschmue, Gökçen Eraslan, Haosdent
Huang, Haroen Viaene, Harold Cooper, Henrik Holst, hoangmit, Ivan Ukhov, Javier
Dehesa, Jingtian Peng, Jithin Odattu, Joan Pastor, Johan Mathe, Johannes Mayer,
Jongwook Choi, Justus Schwabedal, Kai Wolf, Kamil Hryniewicz, Kamran Amini,
Karen Brems, Karl Lattimer, kborer, Ken Shirriff, Kevin Rose, Larissa Laich,
Laurent Mazare, Leonard Lee, Liang-Chi Hsieh, Liangliang He, Luke Iwanski,
Marek Kolodziej, Moustafa Alzantot, MrQianjinsi, nagachika, Neil Han, Nick
Meehan, Niels Ole Salscheider, Nikhil Mishra, nschuc, Ondrej Skopek, OndřEj
Filip, OscarDPan, Pablo Moyano, Przemyslaw Tredak, qitaishui, Quarazy,
raix852, Philipp Helo, Sam Abrahams, SriramRamesh, Till Hoffmann, Tushar Soni,
tvn, tyfkda, Uwe Schmidt, Victor Villas, Vit Stepanovs, Vladislav Gubarev,
wujingyue, Xuesong Yang, Yi Liu, Yilei Yang, youyou3, Yuan (Terry) Tang,
Yuming Wang, Zafar Takhirov, zhongyuk, Ziming Dong, guotong1988

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

0.11.0

Major Features and Improvements

• CUDA 8 support.
• cuDNN 5 support.
• HDFS Support.
• Adds Fused LSTM support via cuDNN 5 in tensorflow/contrib/cudnn_rnn.
• Improved support for NumPy style basic slicing including non-1 strides,
  ellipses, newaxis, and negative indices. For example complicated expressions
  like foo[1, 2:4, tf.newaxis, ..., :-3:-1, :] are now supported. In addition
  we have preliminary (non-broadcasting) support for sliced assignment to
  variables. In particular one can write var[1:3].assign([1,11,111]).
• Deprecated tf.op_scope and tf.variable_op_scope in favor of a unified tf.name_scope and tf.variable_scope. The new argument order of tf.variable_scope is incompatible with previous versions.
• Introducing core/util/tensor_bundle module: a module to efficiently
  serialize/deserialize tensors to disk. Will be used in TF's new checkpoint
  format.
• Added tf.svd for computing the singular value decomposition (SVD) of dense
  matrices or batches of matrices (CPU only).
• Added gradients for eigenvalues and eigenvectors computed using
  self_adjoint_eig or self_adjoint_eigvals.
• Eliminated batch_* methods for most linear algebra and FFT ops and promoted
  the non-batch version of the ops to handle batches of matrices.
• Tracing/timeline support for distributed runtime (no GPU profiler yet).
• C API gives access to inferred shapes with TF_GraphGetTensorNumDims and
  TF_GraphGetTensorShape.
• Shape functions for core ops have moved to C++ via
  REGISTER_OP(...).SetShapeFn(...). Python shape inference RegisterShape calls
  use the C++ shape functions with common_shapes.call_cpp_shape_fn. A future
  release will remove RegisterShape from python.

Bug Fixes and Other Changes

• Documentation now includes operator overloads on Tensor and Variable.
• tensorflow.__git_version__ now allows users to identify the version of the
  code that TensorFlow was compiled with. We also have
  tensorflow.__git_compiler__ which identifies the compiler used to compile
  TensorFlow's core.
• Improved multi-threaded performance of batch_matmul.
• LSTMCell, BasicLSTMCell, and MultiRNNCell constructors now default to
  state_is_tuple=True. For a quick fix while transitioning to the new
  default, simply pass the argument state_is_tuple=False.
• DeviceFactory's AddDevices and CreateDevices functions now return
  a Status instead of void.
• Int32 elements of list(type) arguments are no longer placed in host memory by
  default. If necessary, a list(type) argument to a kernel can be placed in host
  memory using a HostMemory annotation.
• uniform_unit_scaling_initializer() no longer takes a full_shape arg,
  instead relying on the partition info passed to the initializer function when
  it's called.
• The NodeDef protocol message is now defined in its own file node_def.proto
instead of graph.proto.
• ops.NoGradient was renamed ops.NotDifferentiable. ops.NoGradient will
  be removed soon.
• dot.h / DotGraph was removed (it was an early analysis tool prior
  to TensorBoard, no longer that useful). It remains in history
  should someone find the code useful.
• re2 / regexp.h was removed from being a public interface of TF.
  Should users need regular expressions, they should depend on the RE2
  library directly rather than via TensorFlow.

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

Abid K, afshinrahimi, AidanGG, Ajay Rao, Aki Sukegawa, Alex Rothberg,
Alexander Rosenberg Johansen, Andrew Gibiansky, Andrew Thomas, Appleholic,
Bastiaan Quast, Ben Dilday, Bofu Chen, Brandon Amos, Bryon Gloden, Cissp®,
chanis, Chenyang Liu, Corey Wharton, Daeyun Shin, Daniel Julius Lasiman, Daniel
Waterworth, Danijar Hafner, Darren Garvey, Denis Gorbachev, DjangoPeng,
Egor-Krivov, Elia Palme, Eric Platon, Fabrizio Milo, Gaetan Semet,
Georg Nebehay, Gu Wang, Gustav Larsson, haosdent, Harold Cooper, Hw-Zz,
ichuang, Igor Babuschkin, Igor Macedo Quintanilha, Ilya Edrenkin, ironhead,
Jakub Kolodziejczyk, Jennifer Guo, Jihun Choi, Jonas Rauber, Josh Bleecher
Snyder, jpangburn, Jules Gagnon-Marchand, Karen Brems, kborer, Kirill Bobyrev,
Laurent Mazare, Longqi Yang, Malith Yapa, Maniteja Nandana, Martin Englund,
Matthias Winkelmann, mecab, Mu-Ik Jeon, Nand Dalal, Niels Ole Salscheider,
Nikhil Mishra, Park Jiin, Pieter De Rijk, raix852, Ritwik Gupta, Sahil Sharma,
Sangheum Hwang, SergejsRk, Shinichiro Hamaji, Simon Denel, Steve, suiyuan2009,
Tiago Jorge, Tijmen Tieleman, tvn, tyfkda, Wang Yang, Wei-Ting Kuo, Wenjian
Huang, Yan Chen, YenChenLin, Yuan (Terry) Tang, Yuncheng Li, Yunfeng Wang, Zack
Polizzi, zhongzyd, Ziming Dong, perhapszzy

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

0.10.0

Major Features and Improvements

• Added support for C++ shape inference
• Added graph-construction C API
• Major revision to the graph-construction C++ API
• Support makefile build for iOS
• Added Mac GPU support
• Full version of TF-Slim available as tf.contrib.slim
• Added k-Means clustering and WALS matrix factorization

Bug Fixes and Other Changes

• Allow gradient computation for scalar values.
• Performance improvements for gRPC
• Improved support for fp16
• New high-level ops in tf.contrib.{layers,metrics}
• New features for TensorBoard, such as shape display, exponential smoothing
• Faster and more stable Google Cloud Storage (GCS) filesystem support
• Support for zlib compression and decompression for TFRecordReader and TFRecordWriter
• Support for reading (animated) GIFs
• Improved support for SparseTensor
• Added support for more probability distributions (Dirichlet, Beta, Bernoulli, etc.)
• Added Python interfaces to reset resource containers.
• Many bugfixes and performance improvements
• Many documentation fixes

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

Alex Rothberg, Andrew Royer, Austin Marshall, BlackCoal, Bob Adolf, Brian Diesel, Charles-Emmanuel Dias, chemelnucfin, Chris Lesniewski, Daeyun Shin, Daniel Rodriguez, Danijar Hafner, Darcy Liu, Kristinn R. Thórisson, Daniel Castro, Dmitry Savintsev, Kashif Rasul, Dylan Paiton, Emmanuel T. Odeke, Ernest Grzybowski, Gavin Sherry, Gideon Dresdner, Gregory King, Harold Cooper, heinzbeinz, Henry Saputra, Huarong Huo, Huazuo Gao, Igor Babuschkin, Igor Macedo Quintanilha, Ivan Ukhov, James Fysh, Jan Wilken Dörrie, Jihun Choi, Johnny Lim, Jonathan Raiman, Justin Francis, lilac, Li Yi, Marc Khoury, Marco Marchesi, Max Melnick, Micael Carvalho, mikowals, Mostafa Gazar, Nico Galoppo, Nishant Agrawal, Petr Janda, Yuncheng Li, raix852, Robert Rose, Robin-des-Bois, Rohit Girdhar, Sam Abrahams, satok16, Sergey Kishchenko, Sharkd Tu, shotat, Siddharth Agrawal, Simon Denel, sono-bfio, SunYeop Lee, Thijs Vogels, tobegit3hub, Undo1, Wang Yang, Wenjian Huang, Yaroslav Bulatov, Yuan Tang, Yunfeng Wang, Ziming Dong

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

0.9.0

Major Features and Improvements

• Python 3.5 support and binaries
• Added iOS support
• Added support for processing on GPUs on MacOS
• Added makefile for better cross-platform build support (C API only)
• fp16 support and improved complex128 support for many ops
• Higher level functionality in contrib.{layers,losses,metrics,learn}
• More features to Tensorboard
• Improved support for string embedding and sparse features
• The RNN api is finally "official" (see, e.g., tf.nn.dynamic_rnn,
  tf.nn.rnn, and the classes in tf.nn.rnn_cell).
• TensorBoard now has an Audio Dashboard, with associated audio summaries.

Bug Fixes and Other Changes

• Turned on CuDNN Autotune.
• Added support for using third-party Python optimization algorithms (contrib.opt).
• Google Cloud Storage filesystem support.
• HDF5 support
• Add support for 3d convolutions and pooling.
• Update gRPC release to 0.14.
• Eigen version upgrade.
• Switch to eigen thread pool
• tf.nn.moments() now accepts a shift argument. Shifting by a good estimate
  of the mean improves numerical stability. Also changes the behavior of the
  shift argument to tf.nn.sufficient_statistics().
• Performance improvements
• Many bugfixes
• Many documentation fixes
• TensorBoard fixes: graphs with only one data point, Nan values,
  reload button and auto-reload, tooltips in scalar charts, run
  filtering, stable colors
• Tensorboard graph visualizer now supports run metadata. Clicking on nodes
  while viewing a stats for a particular run will show runtime statistics, such
  as memory or compute usage. Unused nodes will be faded out.

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

Aaron Schumacher, Aidan Dang, Akihiko ITOH, Aki Sukegawa, Arbit Chen, Aziz Alto, Danijar Hafner, Erik Erwitt, Fabrizio Milo, Felix Maximilian Möller, Henry Saputra, Sung Kim, Igor Babuschkin, Jan Zikes, Jeremy Barnes, Jesper Steen Møller, Johannes Mayer, Justin Harris, Kashif Rasul, Kevin Robinson, Loo Rong Jie, Lucas Moura, Łukasz Bieniasz-Krzywiec, Mario Cho, Maxim Grechkin, Michael Heilman, Mostafa Rahmani, Mourad Mourafiq, ninotoshi, Orion Reblitz-Richardson, Yuncheng Li, raoqiyu, Robert DiPietro, Sam Abrahams, Sebastian Raschka, Siddharth Agrawal, snakecharmer1024, Stephen Roller, Sung Kim, SunYeop Lee, Thijs Vogels, Till Hoffmann, Victor Melo, Ville Kallioniemi, Waleed Abdulla, Wenjian Huang, Yaroslav Bulatov, Yeison Rodriguez, Yuan Tang, Yuxin Wu, zhongzyd, Ziming Dong, Zohar Jackson

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

0.8.0

Major Features and Improvements

• Added a distributed runtime using GRPC
• Move skflow to contrib/learn
• Better linear optimizer in contrib/linear_optimizer
• Random forest implementation in contrib/tensor_forest
• CTC loss and decoders in contrib/ctc
• Basic support for half data type
• Better support for loading user ops (see examples in contrib/)
• Allow use of (non-blocking) Eigen threadpool with TENSORFLOW_USE_EIGEN_THREADPOOL define
• Add an extension mechanism for adding network file system support
• TensorBoard displays metadata stats (running time, memory usage and device used) and tensor shapes

Bug Fixes and Other Changes

• Utility for inspecting checkpoints
• Basic tracing and timeline support
• Allow building against cuDNN 5 (not incl. RNN/LSTM support)
• Added instructions and binaries for ProtoBuf library with fast serialization and without 64MB limit
• Added special functions
• bool-strictness: Tensors have to be explicitly compared to None
• Shape strictness: all fed values must have a shape that is compatible with the tensor they are replacing
• Exposed tf.while_loop (deprecated control_flow_ops.While)
• run() now takes RunOptions and RunMetadata, which enable timing stats
• Fixed lots of potential overflow problems in op kernels
• Various performance improvements, especially for RNNs and convolutions
• Many bugfixes
• Nightly builds, tutorial tests, many test improvements
• New examples: transfer learning and deepdream ipython notebook
• Added tutorials, many documentation fixes.

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

Abhinav Upadhyay, Aggelos Avgerinos, Alan Wu, Alexander G. de G. Matthews, Aleksandr Yahnev, amchercashin, Andy Kitchen, Aurelien Geron, Awni Hannun, BanditCat, Bas Veeling, Cameron Chen, cg31, Cheng-Lung Sung, Christopher Bonnett, Dan Becker, Dan Van Boxel, Daniel Golden, Danijar Hafner, Danny Goodman, Dave Decker, David Dao, David Kretch, Dongjoon Hyun, Dustin Dorroh, e-lin, Eurico Doirado, Erik Erwitt, Fabrizio Milo, gaohuazuo, Iblis Lin, Igor Babuschkin, Isaac Hodes, Isaac Turner, Iván Vallés, J Yegerlehner, Jack Zhang, James Wexler, Jan Zikes, Jay Young, Jeff Hodges, jmtatsch, Johnny Lim, Jonas Meinertz Hansen, Kanit Wongsuphasawat, Kashif Rasul, Ken Shirriff, Kenneth Mitchner, Kenta Yonekura, Konrad Magnusson, Konstantin Lopuhin, lahwran, lekaha, liyongsea, Lucas Adams, makseq, Mandeep Singh, manipopopo, Mark Amery, Memo Akten, Michael Heilman, Michael Peteuil, Nathan Daly, Nicolas Fauchereau, ninotoshi, Olav Nymoen, panmari, papelita1234, Pedro Lopes, Pranav Sailesh Mani, RJ Ryan, Rob Culliton, Robert DiPietro, ronrest, Sam Abrahams, Sarath Shekkizhar, Scott Graham, Sebastian Raschka, Sung Kim, Surya Bhupatiraju, Syed Ahmed, Till Hoffmann, timsl, urimend, vesnica, Vlad Frolov, Vlad Zagorodniy, Wei-Ting Kuo, Wenjian Huang, William Dmitri Breaden Madden, Wladimir Schmidt, Yuan Tang, Yuwen Yan, Yuxin Wu, Yuya Kusakabe, zhongzyd, znah.

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

0.7.1

Bug Fixes and Other Changes

• Added gfile.Open and gfile.Copy, used by input_data.py.
• Fixed Saver bug when MakeDirs tried to create empty directory.
• GPU Pip wheels are built with cuda 7.5 and cudnn-v4, making them
  required for the binary releases. Lower versions of cuda/cudnn can
  be supported by installing from sources and setting the options
  during ./configure
• Fix dataset encoding example for Python3 (danijar)
• Fix PIP installation by not packaging protobuf as part of wheel,
  require protobuf 3.0.0b2.
• Fix Mac pip installation of numpy by requiring pip >= 1.10.1.
• Improvements and fixes to Docker image.

0.7.0

Major Features and Improvements

• Allow using any installed Cuda >= 7.0 and cuDNN >= R2, and add support
  for cuDNN R4
• Added a contrib/ directory for unsupported or experimental features,
  including higher level layers module
• Added an easy way to add and dynamically load user-defined ops
• Built out a good suite of tests, things should break less!
• Added MetaGraphDef which makes it easier to save graphs with metadata
• Added assignments for "Deep Learning with TensorFlow" udacity course

Bug Fixes and Other Changes

• Added a versioning framework for GraphDefs to ensure compatibility
• Enforced Python 3 compatibility
• Internal changes now show up as sensibly separated commits
• Open-sourced the doc generator
• Un-fork Eigen
• Simplified the BUILD files and cleaned up C++ headers
• TensorFlow can now be used as a submodule in another bazel build
• New ops (e.g., *fft, *_matrix_solve)
• Support for more data types in many ops
• Performance improvements
• Various bugfixes
• Documentation fixes and improvements

Breaking Changes to the API

• AdjustContrast kernel deprecated, new kernel AdjustContrastv2 takes and
  outputs float only. adjust_contrast now takes all data types.
• adjust_brightness's delta argument is now always assumed to be in [0,1]
  (as is the norm for images in floating point formats), independent of the
  data type of the input image.
• The image processing ops do not take min and max inputs any more, casting
  safety is handled by saturate_cast, which makes sure over- and underflows
  are handled before casting to data types with smaller ranges.
• For C++ API users: IsLegacyScalar and IsLegacyVector are now gone from
  TensorShapeUtils since TensorFlow is scalar strict within Google (for
  example, the shape argument to tf.reshape can't be a scalar anymore). The
  open source release was already scalar strict, so outside Google IsScalar
  and IsVector are exact replacements.
• The following files are being removed from tensorflow/core/public/:
  • env.h -> ../platform/env.h
  • status.h -> ../lib/core/status.h
  • tensor.h -> ../framework/tensor.h
  • tensor_shape.h -> ../framework/tensor_shape.h
  • partial_tensor_shape.h -> ../framework/partial_tensor_shape.h
  • tensorflow_server.h deleted
• For C++ API users: TensorShape::ShortDebugString has been renamed to
  DebugString, and the previous DebugString behavior is gone (it was
  needlessly verbose and produced a confusing empty string for scalars).
• GraphOptions.skip_common_subexpression_elimination has been removed. All
  graph optimizer options are now specified via
  GraphOptions.OptimizerOptions.
• ASSERT_OK / EXPECT_OK macros conflicted with external projects, so they
  were renamed TF_ASSERT_OK, TF_EXPECT_OK. The existing macros are
  currently maintained for short-term compatibility but will be removed.
• The non-public nn.rnn and the various nn.seq2seq methods now return
  just the final state instead of the list of all states.
• tf.scatter_update now no longer guarantees that lexicographically largest
  index be used for update when duplicate entries exist.
• tf.image.random_crop(image, [height, width]) is now
  tf.random_crop(image, [height, width, depth]), and tf.random_crop works
  for any rank (not just 3-D images). The C++ RandomCrop op has been replaced
  with pure Python.
• Renamed tf.test.GetTempDir and tf.test.IsBuiltWithCuda to
  tf.test.get_temp_dir and tf.test.is_built_with_cuda for PEP-8
  compatibility.
• parse_example's interface has changed, the old interface is accessible in
  legacy_parse_example (same for related functions).
• New Variables are not added to the same collection several times even if
  a list with duplicates is passed to the constructor.
• The Python API will now properly set the list member of AttrValue in
  constructed GraphDef messages for empty lists. The serialization of some
  graphs will change, but the change is both forwards and backwards compatible.
  It will break tests that compare a generated GraphDef to a golden serialized
  GraphDef (which is discouraged).

Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

Akiomi Kamakura, Alex Vig, Alexander Rosenberg Johansen, Andre Cruz, Arun Ahuja,
Bart Coppens, Bernardo Pires, Carl Vondrick, Cesar Salgado, Chen Yu,
Christian Jauvin, Damien Aymeric, Dan Vanderkam, Denny Britz, Dongjoon Hyun,
Eren Güven, Erik Erwitt, Fabrizio Milo, G. Hussain Chinoy, Jim Fleming,
Joao Felipe Santos, Jonas Meinertz Hansen, Joshi Rekha, Julian Viereck,
Keiji Ariyama, Kenton Lee, Krishna Sankar, Kristina Chodorow, Linchao Zhu,
Lukas Krecan, Mark Borgerding, Mark Daoust, Moussa Taifi,
Nathan Howell, Naveen Sundar Govindarajulu, Nick Sweeting, Niklas Riekenbrauck,
Olivier Grisel, Patrick Christ, Povilas Liubauskas, Rainer Wasserfuhr,
Romain Thouvenin, Sagan Bolliger, Sam Abrahams, Taehoon Kim, Timothy J Laurent,
Vlad Zavidovych, Yangqing Jia, Yi-Lin Juang, Yuxin Wu, Zachary Lipton,
Zero Chen, Alan Wu, brchiu, emmjaykay, jalammar, Mandar-Shinde,
nsipplswezey, ninotoshi, panmari, prolearner and rizzomichaelg.

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

0.6.0

Major Features and Improvements

• Python 3.3+ support via changes to python codebase and ability
  to specify python version via ./configure.

• Some improvements to GPU performance and memory usage:
  convnet benchmarks
  roughly equivalent with native cudnn v2 performance. Improvements mostly due
  to moving to 32-bit indices, faster shuffling kernels. More improvements to
  come in later releases.

Bug Fixes

• Lots of fixes to documentation and tutorials, many contributed
  by the public.

• 271 closed issues on github issues.

Backwards-Incompatible Changes

• tf.nn.fixed_unigram_candidate_sampler changed its default 'distortion'
  attribute from 0.0 to 1.0. This was a bug in the original release
  that is now fixed.

0.5.0

Initial release of TensorFlow.

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖