Julian

### Description Activating decimal is confusing at the moment because much of the functionality is available without this but some is missing. Docs say "Activate Decimal data types." As a...

### Description Currently the decimal type does not suport `round`. Imo this makes sense to implement for many financial calculation where you require the precision of a decimal but in...

ComputeError when writing `Decimal` type to csv using `write_csv`

1

### Checks - [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars. ###...

ComputeError on Date parsing with `strict=False`

2

### Checks - [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars. ###...

Prettify Series repr

3

### Problem description ## Problem - cell output in plain mode notebook is not nice / inconsistent ## Example ```python DATA = {'text': ['nospace', ' before', 'after ', ' both...

Add config option to quote string data in DataFrame repr

5

### Problem description ## Problem - you cannot tell if there is trailing whitespace in the text because you do not know where the str ends - consistency: output for...

Improve Notebook Rendering of DataFrame and Series for html and plain (whitespace, consistency)

6

### Problem description I currently see 3 problems when rendering DataFrame or Series in Notebooks: 1. "html": whitespace collapse 2. "plain": DataFrame does not show quotes for str columns 3....

Change default of `Config.set_fmt_str_lengths` to be more reasonable (also little display "bug")

4

### Description In my experience the default of 14(??) seems to be super low and not very usable in almost all real life use-cases. I propose to change this to...

### Description It is currently possible to convert `List` & `Array` types to columns but it feels awkward (not ideal api) to use a struct. Imo it would make a...

Improve Error Message for `ColumnNotFoundError`

2

### Description While the error "type" is very nice, the message is very bad. ## Example ```python pl.DataFrame().select('a') ``` ### Message ``` ColumnNotFoundError: 'select' failed The reason: a: # ????...