rs-0.48.0

## 💥 Breaking changes

- Use a wrapper struct to store time zone (#22523)

## 🚀 Performance improvements

- Allow predicate passing set\_sorted (#22797)
- Increase default cross-file parallelism limit for new-streaming multiscan (#22700)
- Add elementwise execution mode for `list.eval` (#22715)
- Support optimised init from non-dict `Mapping` objects in `from_records` and frame/series constructors (#22638)
- Add streaming cross-join node (#22581)
- Switch off `maintain_order` in group-by followed by sort (#22492)

## ✨ Enhancements

- Format named functions (#22831)
- Implemented `list.filter` (#22749)
- Support binaryoffset in search sorted (#22786)
- Add `nulls_equal` flag to `list/arr.contains` (#22773)
- Allow named opaque functions for serde (#22734)
- Implement `LazyFrame.match_to_schema` (#22726)
- Improved time-string parsing and inference (generally, and via the SQL interface) (#22606)
- Allow for `.over` to be called without `partition_by` (#22712)
- Support `AnyValue` translation from `PyMapping` values (#22722)
- Support optimised init from non-dict `Mapping` objects in `from_records` and frame/series constructors (#22638)
- Add options to write Parquet field metadata (#22652)
- Allow casting `List<UInt8>` to `Binary` (#22611)
- Allow setting of regex size limit using `POLARS_REGEX_SIZE_LIMIT` (#22651)

## 🐞 Bug fixes

- Fix reverse list type (#22832)
- Add type equality checking for relevant methods (#22802)
- Invalid output for `fill_null` after `when.then` on structs (#22798)
- Don't panic for cross join with misaligned chunking (#22799)
- Panic on quantile over nulls in rolling window (#22792)
- Respect BinaryOffset metadata (#22785)
- Correct the output order of `PartitionByKey` and `PartitionParted` (#22778)
- Fallback to non-strict casting for deprecated casts (#22760)
- Clippy on new stable version (#22771)
- Handle sliced out remainder for bitmaps (#22759)
- Don't merge `Enum` categories on append (#22765)
- Fix unnest() not working on empty struct columns (#22391)
- Correct name in `unnest` error message (#22740)
- Properly account for nulls in the `is_not_nan` check made in `drop_nans` (#22707)
- Incorrect result from SQL `count(*)` with `partition by` (#22728)
- Fix deadlock joining scanned tables with low thread count (#22672)
- Don't allow deserializing incompatible DSL (#22644)
- Incorrect null dtype from binary ops in empty group\_by (#22721)
- Don't mark `str.replace_many` with Mapping as deprecated (#22697)
- Gzip has maximum compression of 9, not 10 (#22685)
- Fix predicate pushdown of fallible expressions (#22669)
- Fix `index out of bounds` panic when scanning hugging face (#22661)
- Fix polars crate not compiling when lazy feature enabled (#22655)
- Panic on `group_by` with literal and empty rows (#22621)
- Return input instead of panicking if empty subset in `drop_nulls()` and `drop_nans()` (#22469)
- Bump argminmax to 0.6.3 (#22649)
- DSL version deserialization endianness (#22642)
- Fix nested dtype row encoding (#22557)
- Allow Expr.round() to be called on integer dtypes (#22622)
- Fix panic when filtering based on row index column in parquet (#22616)
- WASM and PyOdide compile (#22613)
- Resolve `get()` SchemaMismatch panic (#22350)

## 📖 Documentation

- Add pre-release policy (#22808)
- Fix broken link to service account page in Polars Cloud docs (#22762)
- Rework documentation for `drop`/`fill` for nulls/nans (#22657)

## 📦 Build system

- Patch pyo3 to disable recompilation (#22796)

## 🛠️ Other improvements

- Update Polars Rust versions (#22834)
- Cleanup `polars-python` lifetimes (#22548)
- Fix `nix build` (#22809)
- Fix flake.nix to work on macos (#22803)
- Remove unused dependencies in `polars-arrow` (#22806)
- Unused variables on release build (#22800)
- Update cloud docs (#22624)
- Add proptest implementations for all Array types (#22711)
- Dispatch `.write_*` to `.lazy().sink_*(engine='in-memory')` (#22582)
- Move to all optimization flags to `QueryOptFlags` (#22680)
- Add test for `str.replace_many` (#22615)
- Stabilize `sink_*` (#22643)
- Add proptest for row-encode (#22626)
- Emphasize PolarsDataType::get\_dtype is static-only (#22648)
- Use named fields for Logical (#22647)
- Update rust version in nix flake (#22627)
- Add a nix flake with a devShell and package (#22246)
- Use a wrapper struct to store time zone (#22523)
- Add `proptest` testing for for parquet decoding kernels (#22608)

Thank you to all our contributors for making this release possible!
@IvanIsCoding, @JakubValtar, @Julian-J-S, @LucioFranco, @MarcoGorelli, @WH-2099, @alexander-beedie, @borchero, @bschoenmaeckers, @cmdlineluser, @coastalwhite, @etiennebacher, @florian-klein, @itamarst, @kdn36, @nameexhaustion, @nikaltipar, @orlp, @pavelzw, @r-brink, @ritchie46, @stijnherfst, @teotwaki, @timkpaine and @wence-