docs: update readme.md features (#348)

Signed-off-by: Wenwen Gao <94138584+snowmanwwg@users.noreply.github.com>

Author: snowmanwwg

README.md

@@ -43,15 +43,14 @@ What you can expect:
 - ✅ **Learning Algorithms** - GRPO (Group Relative Policy Optimization), SFT (Supervised Fine-Tuning), and DPO (Direct Preference Optimization).
 - ✅ **Multi-Turn RL** - multi-turn generation and training for RL with tool use, games, etc.
 - ✅ **Large Model Support** - Native PyTorch support for models up to 32B parameters.
-- ✅ **Advanced Parallelism** - FSDP2, TP, and SP for efficient training.
+- ✅ **Advanced Parallelism** - PyTorch native FSDP2, TP, and SP for efficient training.
 - ✅ **Worker Isolation** - Process isolation between RL Actors (no worries about global state).
 - ✅ **Environment Isolation** - Dependency isolation between components.
 
-- 🔜 **(Even) Larger Model Support** - Native PyTorch & Megatron.
 - 🔜 **Improved Native Performance** - Improve training time for Native Pytorch Models.
-- 🔜 **Megatron Policy** - Support advanced parallelism in training with Megatron Core.
-- 🔜 **Megatron Inference** - Support Megatron Inference for day-0 support for new megatron models.
+- 🔜 **(even) Larger Model Support with Long(er) Sequence** - Support advanced parallelism in training with Megatron Core.
 - 🔜 **MoE Models** - Support DeepseekV3 and Llama4.
+- 🔜 **Megatron Inference** - Support Megatron Inference for day-0 support for new megatron models.
 
 ## Prerequisites