v3.15.0b3
[3.15] gh-141510 Document and test frozendict class matching behaviour (GH-150799) (#151701)
[3.15] Mention `frozendict` in `object.__hash__()` documentation (GH-148867) (#151077)
gh-135944: Add a "Runtime Components" Section to the Execution Model Docs (gh-135945)
[3.15] gh-141984: Reword the Generator expressions section (GH-150518) (GH-151261)
gh-143054: Disallow non-top-level Cut for now (GH-143622)
[3.15] gh-148672: Document namespace subpackages inside regular packages (GH-150056) (#150729)
Merge from 3.2: remove unneeded "Release" and "Date" markers from index pages.
gh-135676: Lexical analysis: Reword String literals and related sections (GH-135942)
Docs: Fix a typo in the 'Non-ASCII characters in names' section (#148043)
[3.15] gh-149321: Remove lazy_imports=none startup mode (GH-149389) (#150129)
gh-130587: Add hand-written docs for non-OP tokens (GH-130588)