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Brian #2: Already playing with Python 3.15

3.15.0a8, 2.14.4 and 3.13.13 are out
- Hugo von Kemenade
beta comes in May, CRs in Sept, and Final planned for October
But still, there’s awesome stuff here already, here’s what I’m looking forward to:
- PEP 810: Explicit lazy imports
- PEP 814: frozendict built-in type
- PEP 798: Unpacking in comprehensions with * and **
- PEP 686: Python now uses UTF-8 as the default encoding

Justin Chapman
Watch mode, Native async support, Fast test discovery, In-source testing, Support for doctests, Client/server mode for fast editor integrations, Pretty, per-assertion diagnostics, Filtering and marks, Changed mode (like pytest-picked), Concurrent tests, Soft assertions,
JSON, JUnit, Dot, and LLM reporters
Honestly haven’t tried it yet, but you know, I’m kinda a fan of thinking outside the box with testing strategies so I welcome new ideas.

Extras

Brian:

Why are’t we uv yet?
- Interesting take on the “agents prefer pip”
- Problem with analysis.
  - Many projects are libraries and don’t publish uv.lock file
  - Even with uv, it still often seen as a developer preference for non-libarries. You can sitll use uv with requirements.txt
PyCon US 2026 talks schedule is up
- Interesting that there’s an AI track now. I won’t be attending, but I might have a bot watch the videos and summarize for me. :)
What has technology done to us?
- Justin Jackson
Lean TDD new cover
- Also, 0.6.1 is so ready for me to start f-ing reading the audio book and get on with this shipping the actual f-ing book and yes I realize I seem like I’m old because I use “f-ing” while typing. Michael:
Python 3.14.4 is out
Beanie 2.1 release

Joke: HumanDB - Blazingly slow. Emotionally consistent.

#477 Lazy, Frozen, and 31% Lighter

Python Bytes