Kevin Heavey

### Polars version 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...

estimated_size accepts nonsense arguments

1

### Polars version 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...

Nulls in categorical col cause mislabelled value counts

1

### Polars version 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...

Deserialising a JSON-serialized VersionedTransaction fails

1

`VersionedTransaction` derives `Serialize` and `Deserialize` but if you serialize a VersionedTransaction with serde_json you get an `invalid type` error. It doesn't like the VersionedMessage prefix byte. Dependencies for this example:...

Use latest anchor and add support for alias types in IDL

Make error.rs its own crate

2

I often find myself wanting the code in [error.rs](https://github.com/coral-xyz/anchor/blob/master/lang/src/error.rs) without needing the rest of the anchor_lang crate. It would be nice if there was an anchor-error crate to that end

Don't force the Provider interface to use web3.js Connection

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Currently the Provider interface requires a Connection attribute: ```ts export default interface Provider { readonly connection: Connection; ... ``` This forces anchor-bankrun to lie and make a fake Connection object...

BanksClient hangs when processing multiple transactions

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This seems like a very easy problem to encounter so maybe I've missed something, but I couldn't find an existing issue for it. #### Problem If you call `banks_client.process_transactions` with...

Split up crates so end users can get faster compile times

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I have noticed I have some crates that need only the `decompress::step_1` function in curve25519-dalek, but they have to pull in the whole dependency, which takes a long time to...

Add a rust-toolchain.toml

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This example always breaks for people because they try to run the tests with an unsupported Rust version. If there was a rust-toolchain.toml file in src/program-rust this wouldn't be a...