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Release 2.1.0

Major Features and Improvements

Breaking Changes

Bug Fixes and Other Changes

  • Fix link for TFRecord in Saved Model Warmup documentation. (commit: 127a112a91bda3d7d3c3a56802632376bbe3e36e)
  • Fix typo in http server log message. (commit: 509f6da062dc9b091ad6961a94740cf64e265c36)
  • Be able to discard aspired-versions request from SourceRouter (commit: 10e4987502ee91fe74c6c179ed4ba52f17cc75b4)
  • Use public tf.config APIs (commit: 87a4b2b28729bd269ab367742998b6f8426ea1b7)
  • Fix copying of string tensor outputs by explicitly copying each (commit: 9544077bdb6eef9b20a0688a042155ee6dea011a)
  • Migrate from std::string to tensorflow::tstring. (commit: e24571ac9ce390733f3b02188c7d740f08fff62d)

Release 2.0.0

Major Features and Improvements

  • Some Tensorflow Text ops have been added to ModelServer (specifically constrained_sequence_op, sentence_breaking_ops, unicode_script_tokenizer, whitespace_tokenizer, wordpiece_tokenizer)

Breaking Changes

  • As previously announced123, Contrib ops will not be packaged with Tensorflow, and therefore will not be available in Tensorflow Serving. If serving with Tensorflow Serving >1.15, please ensure your models do not contain any tf.contrib ops. If you are critically dependent on custom ops, please review this guide for instructions to statically build ops into the model server.
  • After being deprecated for multiple years, as a part of tf.contrib deprecation, SessionBundle API will be removed starting from Tensorflow Serving 2.0 - if currently using SessionBundle, please migrate to SavedModel APIs.

Bug Fixes and Other Changes

  • Add a section in the documentation for testing custom op manually. (commit: 1b65af1d7fee4fe79b4152f94d5ea422e8a79cca)
  • Add ops delegate library to enable running TF ops. (commit: 14112359d16b3e1e275c2ba70b0e078ce4863783)
  • Add command line tool to load TF Lite model for manual testing/debugging. (commit: 0b0254d4a90550b1d7228334187e624bf4b31c37)
  • Fixes broken relative docs links (commit: 12813143b22616091388e7659d7f69cfcf518269)
  • Cleaning up BUILD visibility for tf_pyclif_proto_library intermediate targets. (commit: 81ed5ef2307eea4c9396fd34f33673be072cdcf3)
  • Remove unused load statements from BUILD files (commit: d0e01a3c56b280c6602d6c14e97ef60882d317aa)
  • Manual tests for model server and including tf.Text in serving build. (commit: 142d0adb5e2975689d80d8fc608c9684e96de078)
  • Remove tensorflow/contrib/session_bundle as dependency for Tensorflow Serving. (commit: 1bdd3499f1fe4d99b3c3024080560350d493e29b)

Thanks to our Contributors

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

chaox

Release 1.15.0

Major Features and Improvements

Breaking Changes

  • As previously announced12, Contrib ops will not be packaged with Tensorflow, and therefore will not be available in Tensorflow Serving. If serving with Tensorflow Serving >1.15, please ensure your models do not contain any tf.contrib ops. If you are critically dependent on custom ops, please review this guide for instructions to statically build ops into the model server.
  • After being deprecated for multiple years, as a part of tf.contrib deprecation, SessionBundle API will be removed starting from Tensorflow Serving 2.0 - if currently using SessionBundle, please migrate to SavedModel APIs.

Upcoming Features

  • Some Tensorflow Text ops will be added to Model Server starting from TF Serving 2.0.0 (specifically constrained_sequence_op, sentence_breaking_ops, unicode_script_tokenizer, whitespace_tokenizer, wordpiece_tokenizer).

Bug Fixes and Other Changes

  • Add monitoring config (commit: 18db9a46168eadd4d3e28e9b0cdb27bd6a11add9)
  • Fix docs (commit: 7fc2253157db1dff340d7b418a6cf5204db2ce09)
  • Use master as references (commit: 08cb506672d4c2ef289f79eee545df26d6577b45)
  • Fix docs (commit: 9cc986beb742c485a62637fd20e841288774585d)
  • Remove hyphen from version numbers to conform with PIP. (commit: 4aa0cfc24098000163fdfe270c4eb205e98790b1)
  • Fix ImportError: No module named builtins (commit: e35ffff3999be3f971fa1503c158f33d721228c8)
  • Cleanup visibility specs. (commit: 8e3956cac1eec2213538d8d6c367398e2f883e70)
  • Remove 'future' from setup.py (commit: 64a80dd955a384de776b6256f3abcaa28cf88e79)
  • Install future>=0.17.1 during Dockerfile.devel-gpu build (commit: dc36c21df5117364a3390a8bfe1fd3bf7dc92cb7)
  • Replace calls to deprecated googletest APIs SetUpTestCase/TearDownTestCase with SetUpTestSuite/TearDownTestSuite. (commit: 39bbeb70dec8054d8ad81a7aa0423ec7e1a07c2a)
  • Add the option to allow assigning labels to unavailable models in open source model server. (commit: e6d91e72f7593be36dda933b3291c7ebbc646fa6)
  • Adds polling for config file to model server (#1301) (commit: c3eeed4f245e43f6cf92329d251e2b9d6255d6e5)
  • Adds util functions for getting min of two ResourceAllocations. (commit: ba6527c8d56a0752f6c87115071e4d1bf7941810)
  • Cleanup usage of the protobuf_archive. See #19032 (commit: dca61db5137c416a454c6ef821ad0fac6d66dc91)
  • Replace NumSchedulableCPUs() with MaxParallelism(). (commit: aa9dddb93576c814b97947d6386d400cf6c87679)
  • Don't run model_servers:tensorflow_model_server_test under asan (commit: b5c24e3e3849978a551db3aae3854c8794d10124)
  • Release notes for 1.14 (commit: dc986268756ef45a3ffca4b8578dfdc69e015d29)
  • Fixing Docker link (commit: 3bd851d88cd2febcdec29a52bab1d7d225a3a54c)
  • Update release notes for 1.14.0 release. (commit: 00b2980a4d6ca127b63409b3eae791f846d1031a)
  • Add release notes for TF serving 1.12.3. (commit: 7226859e9dd0f45bade559ab12892d4e388a7c11)
  • Remove unnecessary calls to Tensor::flat in the tensorflow regressor interface. (commit: 55d897ef71b1ba142defec67bcce8eba7d8f5236)
  • Fix print syntax in sample code (commit: ecef0d2fea2af1d4653a41934649512aa6994fd0)
  • Adds guide for serving with custom ops (commit: dae0b4dffb29efc647783d45c28c4db0282b4d51)
  • Return more informative error message during warmup. (commit: 1126fcd5d179d7829f48471eca6ddbbce79e219e)
  • Enables passing in the SessionMetadata to the TensorFlow Session through the SavedModel ingestion API. (commit: 9cf3ff32daaaa2bb941ba7d7b8f049f807e4288e)
  • Modifies server configuration documentation (commit: ee4edd59ad5ea088f1a6616cc6de531f66f25c3d)
  • Fixes bazel build errors. (commit: bc07ec9015cba820be7f1087153d216964bd1a0b)
  • Add tf.distribute + Keras model save/load test in TF serving. (commit: 093734d002bd9de2a68d34160e23f35db196c080)
  • Remove unused fields from MetaGraphDef proto message, stored in (commit: 1f8f2902b6465f239bb58af2b3fb27ba73b5c7c5)
  • Fix typo (missing colon) in comment. (commit: 561cabbabe9d44da6b20fcf0eb9170859d3ea9fe)
  • Makes ServerCore::Log(...) mockable. (commit: 4b00a803faea0b96c9cbce6fbe23dfaec93bfbd4)
  • Uses VerifyFunctionInternal to replace VerifyResourceValidityInternal and VerifyValidityInternal. (commit: b7b3c33422bb5cf0813fdd6604742e7fa3841f84)
  • Removed the net_http dependency on absl/base/internal/raw_logging. (commit: 4e12a193ad27fa31cb1e42e9a7fe7b5c08f74c52)
  • Override TF defined Abseil version to a more recent version, (commit: 1c0291118f34ec7ba958a9cee594414f6531c0f3)
  • Makes VerifyValidity, Normalize and IsNormalized method virtual. (commit: 071634e39f47cde52996c8bfd1ddda8abf4deef9)
  • Example of creating tf_serving_warmup_requests (commit: 1623705e4205bc779109f8c4d1eadf6d3f24a549)
  • Don't copy SignatureDef. (commit: 28d32a1e487666c8b324c74afb633006ba5cbf17)
  • Update resnet_warmup.py example (commit: 00b49bd3f4bcb3b17d1fb61bf302aacccf80c83e)
  • Update resnet_warmup.py example (commit: 263025f091dd60d415dd22e9667c0f37f11209ff)
  • Instrument BatchingSession::Run with TraceMe (commit: 929ab172ec3553a9d563b13dccfb0926d8bf3724)
  • Remove contrib ops from model server from tensorflow 2.0. (commit: e7c987d4b10ac751081c62595fcd18be7481e67a)
  • Use C++14 by default. (commit: 41873601c73bcb91e403f9ddd70a168ae117ddb0)
  • o Switch to using the half_plus_two model from TF to tensorflow_serving one. (commit: 3ba8a6d8ac31572548bbe7922e4152a6b92e626c)
  • Add TfLiteSession class to run inference on TensorFlow Lite Model. (commit: f2407e2011b5fc6d255c0ea54181f9cdd1d691e5)
  • Add ability to load+run TF Lite model in ModelServer. (commit: d16ceafa044932e2d9ef84bbe1a6ae5c6356252f)

Thanks to our Contributors

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

Abolfazl Shahbazi, chaox, gison93, Minglotus-6, William D. Irons, ynqa

Release 1.12.3

Major Features and Improvements

  • No major features or improvements.

Breaking Changes

  • No breaking changes

Bug Fixes and Other Changes

  • This release is based on TF version 1.12.3.

Release 1.14.0

Major Features and Improvements

  • Use MKL-DNN contraction kernels by default. (commit: a075ebe5eff56f3311d6e2cc2d23e4e82567596b)
  • Add option to refuse to unload the last servable version. (commit: c8496b199cedf3e38a7ad0dc4c46db2b341b28e5)
  • Add ability to disable periodic filesystem polling (#1295). (commit: 72450555c83ea5e6d18d05362192ad85613b23b1)

Breaking Changes

  • No breaking changes.

Bug Fixes and Other Changes

  • Add enforce_session_run_timeout inside Server::Options. (commit: de030640ec6ed2cd504ee0ad9335fb93aebe51b5)
  • Add -o option, to pass params to docker command. (commit: dd59021d3f807f23390afa8a2bc34a6f7029ed24)
  • Stop using reader locks (tf_shared_lock) on the read path of FastReadDynamicPtr. (commit: f04e583a6a700a4943a57b6758b3e131b0865e97)
  • Add saved model tags to logging metadata. These tags are used by (commit: 6320701645d5aeceac49a4f02cc629159559f143)
  • Adds an option in SessionBundleConfig to repeat warmup replay n times per request. (commit: 15cd20263c8362f534afecbdf98b9d929eac70fd)
  • Improve tpu server warm up (commit: 63d31a33b4f6faeb0764bb159d403f2b49061aed)
  • Official PIP package releases are now tied to a specific version of TensorFlow (commit: 9514c37d22f0b728e2db9e8c6f28fb11ebde0fad)
  • Bump the minimal Bazel version to 0.24.1 (commit: 96a716ca31f753b0c3efc1ef60779b77f5c60845)
  • Add new device type for TPU. (commit: c74861d61131e2248a70d9c72317df8c49eb8f1a)
  • Fix incorrect formatting of decimal numbers in JSON output (#1332) (commit: d7c3b3deacbabf763ed44fb6932535016852e90a)
  • Fixed the gzip uncompression support in the HTTP server for large request bodies. (commit: fb7835c7cd95c5b6b163cb2abd6a8b9a1a283689)
  • Add stack memory resource kind. (commit: e56e72b3e4b9a597832734208a3da455f6db1a04)
  • Adds ModelServer test for loading SavedModel exported from Keras Sequential API (commit: 9578f3d10c786c6714b9a8b481dd74f454402477)
  • Ignore SIGPIPE for libevent，prevent the SIGPIPE signal from being raised (#1257) (commit: 8d88a5b3c4ac502113c798a470111ca65f47b0c2)
  • Fix #1367 (commit: 58af9011d72cbd062501c3f8066bf4d9eee04a7a)
  • Update Serving_REST_simple.ipynb (commit: 3870ba59a764d859fc137a8363588c94906e0f5f)
  • Updates README with link to architecture overview (commit: d233a82e0a569d5ccd23a0cbada8099644698dc6)
  • Update example section to use Docker (commit: a5fc8bbc20f712fd6c4c148ff4d94a9231b79ceb)

Thanks to our Contributors

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

G. Hussain Chinoy, Karthik Vadla, mkim301, yjhjstz

Release 1.13.0

Major Features and Improvements

  • Support for TensorRT 5.0 (GPU docker image built against CUDA 10 and TensorRT 5.0)
  • Support for listening gRPC over UNIX socket (commit: a25b0dad3984d3b154db1144df9d3b447b19aae6)
  • New GPU version of TensorFlow Serving API PIP package. This depends on the tensorflow-gpu instead of tensorflow PIP package, but is otherwise identical. (commit: 525c1af73ca543ce0165b3d22f0bbf21094fc443)
  • TF Serving end-to-end colab! Training with Keras, serving with TF Serving and REST API (commit: 1ff8aadf20d75294aa4d496a807320603c6887c6)

Breaking Changes

  • No breaking changes.

Bug Fixes and Other Changes

  • Make error message for input size mismatch in Predict call even more actionable. (commit: 7237fb54c8d5898713e0bba7573add60cd19c25e)
  • Document how to use the version policy to pin a specific version, or serve multiple versions, of a model. (commit: 2724bfee911f1d2294a9ceb705bbd09a2701c344)
  • Document config reloading and model version labels. (commit: f4890afdc42f10f125cba64c3c2f2c01309ba2e2)
  • Fix the compile error on ARM-32 in net_http/server. (commit: 5446fd973de228693c1652acd4922dc4b177f77a)
  • Adds ModelSpec to SessionRunResponse. (commit: 58a22637ef5e3c50153eb42eff652137eb18c94a)
  • Add MKL support (commit: 8f792532bea10d82fd3c3b126412d0546f54ae28)
  • Fix default path of Prometheus metrics endpoint (commit: 9d05b0c17be47d3260ab58c2b9ac97e202699b96)
  • Add monitoring metrics for saved model (export_dir) warm up latency. (commit: de0935b64ec972879ae623aa4f438282a4281dcc)
  • Add more details/clarification to model version labels documentation. (commit: f9e6ac4d60a4044fc3b8c07719d0faaeae401dda)
  • Split --tensorflow_session_parallelism flag into two new flags: --tensorflow_intra_op_parallelism and --tensorflow_inter_op_parallelism (commit: 71092e448c5432f4411f7333a02b274f0a3cdd3f)
  • Update CPU Docker images to Ubuntu 18.04 (commit: 8023fba48c5b47a81fec25c17ba385a720650ef8)
  • Upgrade to Bazel 0.20.0 (commit: fc0b75f2e325a187794bf437ff3227510d261afb)
  • Update Python 2 scripts to be compatible with both Python 2 and 3 (commit: 846d443bb506f07242cd99347901f3ad5b7efe6a)

Thanks to our Contributors

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

Daniel Shi, Karthik Vadla, lapolonio, robert, Shintaro Murakami, Siju, Tom Forbes, Ville TöRhöNen

Release 1.12.0

Major Features and Improvements

  • Add new REST API to get model status from ModelServer (commit: 00e459f1604c40c073cbb9cb92d72cb6a88be9cd)
  • Add new REST API to get model metadata from ModelServer (fixes #1115) (commit: 97687024c3b7515d2f2979c35054f44c8f84d146)
  • Support accepting gzipped REST API requests (fixes #1091) (commit: b94f6c89335782a7f175e8973c4f326375c55120)

Breaking Changes

None

Bug Fixes and Other Changes

  • Update MKL build (commit: e11bd51540212242911dae00c8507e2852a5ad5a)
  • Remove version pinning on pip packages (commit: 462072c2d78124c2769f820f7b63ee086de4e305)
  • Update basic serving tutorials (commit: 33a4b052cedc39c21107bc99a090b59ca64ec568)
  • Replacing legacy_init_op argument in SavedModelBuilder with main_op. (commit: 2fda31f905eefd2d108e9c84b8d7d55e4e482833)
  • Add git hash for version metadata of model server and add tags for dev and nightly builds. (commit: 5c7740fc3d8d5c017643a8cc40a7202717b10dd6)
  • Add error messages for specific cases when json for REST requests (commit: a17c89202e68bf19f369b9cbc97db7ced283b874)
  • Python examples now run in a hermetic environment with all required dependencies (commit: 793fd90ee41ac34fa4c9261eef2d2c908dca9735)

Thanks to our Contributors

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

Charles Verge, demfier, Kamidi Preetham, Lihang Li, naurril, vfdev, Yu Zheng

Release 1.11.1

Bug Fixes and Other Changes

  • Fix version of model server binary (Fixes #1134)
  • Range check floating point numbers correctly (Fixes #1136).
  • Fix docker run script for same user and group name (Fixes #1137).
  • Fix GPU build (Fixes #1150)

Thanks to our Contributors

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

vfdev

Release 1.11.0

Major Features and Improvements

Breaking Changes

  • No breaking changes

Bug Fixes and Other Changes

  • Built against TensorFlow 1.11.0
  • Accept integers for float/doubles in JSON REST API requests
  • TF Serving API is now pre-built into Docker development images
  • GPU Docker images are now built against cuDNN 7.2
  • Add --max_num_load_retries flag to ModelServer (fixes #1099)
  • Add user-configured model version labels to the stand-alone ModelServer binary.
  • Directly import tensor.proto.h (the transitive import will be removed from tensor.h soon)
  • Building optimized TensorFlow Serving binaries is now easier (see docs for details)
  • Adds columnar format support for input/output tensors in Predict REST API (fixes #1047)
  • Development Dockerfiles now produce a more optimized ModelServer
  • Fixed TensorFlow Serving API PyPi package overwriting TensorFlow package.

Thanks to our Contributors

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

Feisan, joshua.horowitz, Prashanth Reddy Basani, tianyapiaozi, Vamsi Sripathi, Yu Zheng

Release 1.11.0-rc0

Major Features and Improvements

Breaking Changes

  • No breaking changes

Bug Fixes and Other Changes

  • Built against TensorFlow 1.11.0-rc0.
  • Directly import tensor.proto.h (the transitive import will be removed from tensor.h soon)
  • Building optimized TensorFlow Serving binaries is now easier (see docs for details)
  • Adds columnar format support for input/output tensors in Predict REST API (fixes #1047)
  • Development Dockerfiles now produce a more optimized ModelServer
  • Fixed TensorFlow Serving API PyPi package overwriting TensorFlow package.

Release 1.10.0

Major Features and Improvements

  • No major features or improvements.

Breaking Changes

  • TensorFlow Serving API now uses gRPC's GA release. The beta gRPC API has been deprecated, and will be removed in a future version of TensorFlow Serving. Please update your gRPC client code (sample)
  • Docker images for GPU are built against NCCL 2.2, in following with Tensorflow 1.10.

Bug Fixes and Other Changes

  • Built against TensorFlow 1.10.
  • Added GPU serving Docker image.
  • Repo cloning and shell prompt in example readme.
  • Updated Docker instructions.
  • Updated min Bazel version (0.15.0).
  • Convert TF_CHECK_OKs to TF_ASSERT_OK in some unit tests.
  • Remove error suppression (.IgnoreError()) from BasicManager.
  • Add new bazel_in_docker.sh tool for doing hermetic bazel builds.
  • Fix erroneous formatting of numbers in REST API output that are larger than 6 digits.
  • Add support for Python 3 while also compatible with Python 2.7 in mnist_saved_model.py.
  • Fix an incorrect link to Dockerfile.devel-gpu.
  • Add util for get model status.
  • Adding support for secure channel to ModelServer.
  • Add version output to model server binary.
  • Change ServerRequestLogger::Update to only create new and delete old loggers if needed.
  • Have the Model Server interpret specific hard-coded model version labels "stable" and "canary" as the smallest and largest version#, respectively.
  • Add half_plus_two CPU and GPU models to test data.

Release 0.4.0

Initial release of TensorFlow Serving.