This addresses a number of important issues reported in 0.2.0:
- Fixes an issue where non-ASCII characters were crashing the CLI: https://github.com/openai/codex/issues/1450 (huge thanks to @ryozi-tn for the fix in https://github.com/openai/codex/pull/1467)
- Adds support for a `--sandbox` flag and makes some breaking changes to `config.toml` around this option. See https://github.com/openai/codex/pull/1476 for details.
- Makes it possible to configure custom HTTP headers when making requests to model providers: https://github.com/openai/codex/pull/1473.