Feature or enhancement

It was deprecated and scheduled for removal in 3.14

Original issue: #91896
Ref: 09b7695

Linked PRs

• gh-118803: Remove ByteString from typing and collections.abc #118804
• Revert "gh-118803: Remove ByteString from typing and collections.abc (#118804)" #138990
• [3.14] Revert "gh-118803: Remove ByteString from typing and collections.abc (GH-118804)" (GH-138990) #138995
• gh-118803: Improve documentation around ByteString deprecation #139115
• gh-118803: Make ByteString deprecations louder; remove ByteString from typing.__all__ and collections.abc.__all__ #139127
• [3.14] gh-118803: Improve documentation around ByteString deprecation (GH-139115) #139136
• [3.13] gh-118803: Improve documentation around ByteString deprecation (#139115) #139137
• [3.13] gh-118803: Fixup a few references in the 3.13 branch to the intended removal date for ByteString #139171