What's Changed
* Streaming for serving with chat's generate function by rasbt in [1426](https://github.com/Lightning-AI/litgpt/pull/1426)
* Add MicroLlama training support by keeeeenw in [1457](https://github.com/Lightning-AI/litgpt/pull/1457)
* Check checkpoint_dir and add `checkpoints` to path by rasbt in [1454](https://github.com/Lightning-AI/litgpt/pull/1454)
* Detect tensor cores by rasbt in [1456](https://github.com/Lightning-AI/litgpt/pull/1456)
* Explain how to list all available models by rasbt in [1455](https://github.com/Lightning-AI/litgpt/pull/1455)
* Update error message by rasbt in [1453](https://github.com/Lightning-AI/litgpt/pull/1453)
* New CLI by rasbt in [1437](https://github.com/Lightning-AI/litgpt/pull/1437)
* A more centered look by rasbt in [1449](https://github.com/Lightning-AI/litgpt/pull/1449)
* Update README.md for one last time by rasbt in [1442](https://github.com/Lightning-AI/litgpt/pull/1442)
* Fix README.md alignment by rasbt in [1439](https://github.com/Lightning-AI/litgpt/pull/1439)
* Pin litdata by rasbt in [1440](https://github.com/Lightning-AI/litgpt/pull/1440)
* Align readme by rasbt in [1438](https://github.com/Lightning-AI/litgpt/pull/1438)
* Fix learning rate calculation in pretrain by rasbt in [1435](https://github.com/Lightning-AI/litgpt/pull/1435)
* Fix optimizer init with fused=True by carmocca in [1434](https://github.com/Lightning-AI/litgpt/pull/1434)
* OptimizerArgs by rasbt in [1409](https://github.com/Lightning-AI/litgpt/pull/1409)
* Simplify code by rasbt in [1429](https://github.com/Lightning-AI/litgpt/pull/1429)
* Add prompt style mapping for llama3 by davmacario in [1406](https://github.com/Lightning-AI/litgpt/pull/1406)
* Fix bug where LitData doesn't use seed by bradfordlynch in [1425](https://github.com/Lightning-AI/litgpt/pull/1425)
* Minimal Python example by rasbt in [1410](https://github.com/Lightning-AI/litgpt/pull/1410)
* Support `no_sync` with Thunder FSDP by carmocca in [1414](https://github.com/Lightning-AI/litgpt/pull/1414)
* Explain dataset options by rasbt in [1407](https://github.com/Lightning-AI/litgpt/pull/1407)
* Allow multiline prompts by rasbt in [1279](https://github.com/Lightning-AI/litgpt/pull/1279)
* LitData: set `iterate_over_all` to False for `CombinedStreamingDataset` by Andrei-Aksionov in [1404](https://github.com/Lightning-AI/litgpt/pull/1404)
* Simillar -> Similar by rasbt in [1405](https://github.com/Lightning-AI/litgpt/pull/1405)
* Remove per-file CLIs by carmocca in [1397](https://github.com/Lightning-AI/litgpt/pull/1397)
* Set litdata < 0.2.6 by carmocca in [1400](https://github.com/Lightning-AI/litgpt/pull/1400)
**Full Changelog**: [View on GitHub](https://github.com/Lightning-AI/litgpt/commits/0.4.0.dev0)