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Upgrading soupsieve 1 to 2

Breaking1.9.6 → 2.10Breaking1Security2Platform10New8Changed8Fixed26Other2

Full comparisonBack to soupsieve
BreakingUpgrade verdict

1 breaking change and 10 platform requirement changes and 2 security fixes.

In plain terms
  • If you passed namespaces or custom data as a list of tuples, you must now pass a dictionary-like mapping instead.
  • The library now works on Python 3.15.
  • This version no longer works on Python 3.9, so users on that version must upgrade Python.
  • This version no longer works on Python 3.8, so users on that version must upgrade Python.
Must act Top 5 of 13 that need code or config changes

Requires Python >=3.10 from 2.9 (none stated before).

What you must change

Breaking1
Requires namespaces and custom objects to always be a Mapping; lists of tuples are no longer accepted.
namespacescustom
2.10GitHub ReleaseSummarizedView source
Security2
Soup Sieve has Memory Exhaustion via Large Comma-Separated Selector Lists
High · CVSS 7.5
2.8.4GitHub AdvisoryOriginalView source
Soup Sieve: Regular Expression Denial of Service (ReDoS) via Selector Parser
High · CVSS 7.5
2.8.4GitHub AdvisoryOriginalView source
Platform10
Adds support for Python 3.15.
2.10GitHub ReleaseSummarizedView source
Drops Python 3.9 support.
2.9GitHub ReleaseSummarizedView source
Drops support for Python 3.8.
2.8GitHub ReleaseSummarizedView source
Adds support for Python 3.14.
2.8GitHub ReleaseSummarizedView source
Adds official support for Python 3.13.
2.6GitHub ReleaseSummarizedView source
Adds support for Python 3.12.
2.5GitHub ReleaseSummarizedView source
Drops support for Python 3.7.
2.5GitHub ReleaseSummarizedView source
Formally drops support for Python 3.6.
2.4GitHub ReleaseSummarizedView source
Formally declares support for Python 3.11.
2.4GitHub ReleaseSummarizedView source
Officially supports Python 3.10.
2.3GitHub ReleaseSummarizedView source