Update README.md

README.md

@@ -27,7 +27,7 @@ tags:
 ### Installation
 
 ```bash
-uv pip install "git+https://github.com/sgl-project/sglang.git@refs/pull/16818/head#subdirectory=python"
+uv pip install "git+https://github.com/sgl-project/sglang.git@refs/pull/20547/head#subdirectory=python"
 ```
 
 ### Launch Server
@@ -35,6 +35,10 @@ uv pip install "git+https://github.com/sgl-project/sglang.git@refs/pull/16818/he
 Use `--speculative-num-draft-tokens` to set the block size (8 or **16**).
 
 ```bash
+export SGLANG_ENABLE_SPEC_V2=1
+export SGLANG_ENABLE_DFLASH_SPEC_V2=1
+export SGLANG_ENABLE_OVERLAP_PLAN_STREAM=1
+
 python -m sglang.launch_server \
     --model-path Qwen/Qwen3-Coder-Next \
     --speculative-algorithm DFLASH \