Update README.md and RELEASE.md, to prepare 0.24.0 release. (#1621)

* Bump to TF 2.8.0

Signed-off-by: Yong Tang <[email protected]>

* Update README.md and RELEASE.md, to prepare 0.24.0 release.

Signed-off-by: Yong Tang <[email protected]>

* Pin pip==21.3.1

Signed-off-by: Yong Tang <[email protected]>

Author: yongtang

.github/workflows/build.yml

@@ -182,6 +182,7 @@ jobs:
           python-version: ${{ matrix.python }}
       - run: |
           set -x -e
+          python -m pip install pip==21.3.1
           python -m pip install -U wheel setuptools
           python --version
       - name: Setup ${{ matrix.python }} macOS

README.md

@@ -126,6 +126,7 @@ of releases [here](https://github.com/tensorflow/io/releases).
 
 | TensorFlow I/O Version | TensorFlow Compatibility | Release Date |
 | --- | --- | --- |
+| 0.24.0 | 2.8.x | Feb 04, 2022 |
 | 0.23.1 | 2.7.x | Dec 15, 2021 |
 | 0.23.0 | 2.7.x | Dec 14, 2021 |
 | 0.22.0 | 2.7.x | Nov 10, 2021 |

RELEASE.md

@@ -1,3 +1,22 @@
+# Release 0.24.0
+
+## Major Features and Bug Fixes
+* Added Bigtable dataset support.
+* Added tfio.audio.inverse_spectrogram.
+* Fixed decode_json empty lists segmentation issue.
+* Fix parquet unknown shape issue in graph execution.
+* Removed IgniteDataset.
+
+## Thanks to our Contributors
+
+This release contains contributions from many people:
+
+Aleksey Vlasenko, Andrew Goodbody, Douglas Coimbra de Andrade, Marek Dopiera,
+Pierre Dulac, Vignesh Kothapalli, Yong Tang
+
+We are also grateful to all who filed issues or helped resolve them, asked and
+answered questions, and were part of inspiring discussions.
+
 # Release 0.23.1
 
 ## Major Features and Bug Fixes

WORKSPACE

@@ -114,10 +114,10 @@ pip_install()
 
 http_archive(
     name = "org_tensorflow",
-    sha256 = "b82f7659754c93ddcabe24390368a6ffd84510e01136be1290e16760e3668176",
-    strip_prefix = "tensorflow-2.8.0-rc1",
+    sha256 = "66b953ae7fba61fd78969a2e24e350b26ec116cf2e6a7eb93d02c63939c6f9f7",
+    strip_prefix = "tensorflow-2.8.0",
     urls = [
-        "https://github.com/tensorflow/tensorflow/archive/refs/tags/v2.8.0-rc1.tar.gz",
+        "https://github.com/tensorflow/tensorflow/archive/refs/tags/v2.8.0.tar.gz",
     ],
 )
 

tensorflow_io/python/ops/version_ops.py

@@ -15,4 +15,4 @@
 """version_ops"""
 
 version = "0.24.0"
-require = "tensorflow>=2.8.0rc1,<2.9.0"
+require = "tensorflow>=2.8.0,<2.9.0"