●Change8

Migrating to TensorFlow v2.21.0

Version v2.21.0 introduces 2 breaking changes. This guide details how to update your code.

Released: 3/6/2026

2
Breaking Changes
2
Migration Steps
7
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

tf.litetf.imagetfl.casttfl.fully_connectedtfl.slicetf.datatf.NoneTensorSpec

Breaking Changes

●Issue #1

Support for Python 3.9 has been removed.

●Issue #2

The TensorBoard (TB) dependency has been removed.

Migration Steps

  1. 1
    If you rely on Python 3.9, you must upgrade to Python 3.10 or newer.
  2. 2
    Remove any direct dependencies or usage related to the TensorBoard package if it was previously managed by TensorFlow.

Release Summary

Release 2.21.0 removes support for Python 3.9 and the TensorBoard dependency, while introducing significant quantization and data type support enhancements in tf.lite and JPEG XL support in tf.image.

Need More Details?

View the full release notes and all changes for TensorFlow v2.21.0.

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