[Doc] Update 0.9.0rc1 release date (#1139)

1. Update 0.9.0rc1 release date
2. Update feature and model support list
3. Add DP known issue to  release note

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

Author: wangxiyuan

docs/source/developer_guide/versioning_policy.md

@@ -34,7 +34,7 @@ Following is the Release Compatibility Matrix for vLLM Ascend Plugin:
 
 | Date       | Event                                     |
 |------------|-------------------------------------------|
-| 2025.06.07 | Release candidates, v0.9.0rc1             |
+| 2025.06.09 | Release candidates, v0.9.0rc1             |
 | 2025.05.29 | v0.7.x post release, v0.7.3.post1         |
 | 2025.05.08 | v0.7.x Final release, v0.7.3              |
 | 2025.05.06 | Release candidates, v0.8.5rc1             |

docs/source/user_guide/release_notes.md

@@ -1,6 +1,6 @@
 # Release note
 
-## v0.9.0rc1 - 2025.06.07
+## v0.9.0rc1 - 2025.06.09
 
 This is the 1st release candidate of v0.9.0 for vllm-ascend. Please follow the [official doc](https://vllm-ascend.readthedocs.io/en/) to start the journey. From this release, V1 Engine is recommended to use. The code of V0 Engine is frozen and will not be maintained any more. Please set environment `VLLM_USE_V1=1` to enable V1 Engine.
 
@@ -36,6 +36,7 @@ This is the 1st release candidate of v0.9.0 for vllm-ascend. Please follow the [
 ### Known Issue
 
 - In some case, vLLM process may be crashed with aclgraph enabled. We're working this issue and it'll be fixed in the next release.
+- Multi node data-parallel doesn't work with this release. This is a known issue in vllm and has been fixed on main branch. [#18981](https://github.com/vllm-project/vllm/pull/18981)
 
 ## v0.7.3.post1 - 2025.05.29
 

docs/source/user_guide/supported_models.md

@@ -18,13 +18,13 @@
 | Phi-4-mini | ✅ | |
 | MiniCPM | ✅ | |
 | MiniCPM3 | ✅ | |
+| LLama4 | ✅ | |
 | Mistral | | Need test |
 | DeepSeek v2.5 | |Need test |
 | Gemma-2 | | Need test |
 | Mllama |  |Need test|
 | Gemma-3 | ❌ | [#496](https://github.com/vllm-project/vllm-ascend/issues/496) |
 | ChatGLM | ❌ | [#554](https://github.com/vllm-project/vllm-ascend/issues/554) |
-| LLama4 | ❌ | [#471](https://github.com/vllm-project/vllm-ascend/issues/471) |
 
 ### Pooling Models
 | Model | Supported | Note |

docs/source/user_guide/suppoted_features.md

@@ -6,11 +6,11 @@ You can check the [support status of vLLM V1 Engine][v1_user_guide]. Below is th
 
 | Feature                       | vLLM V0 Engine | vLLM V1 Engine | Next Step                                                              |
 |-------------------------------|----------------|----------------|------------------------------------------------------------------------|
-| Chunked Prefill               | 🚧 WIP         | 🟢 Functional  | Functional, see detail note: [Chunked Prefill][cp]                     |
-| Automatic Prefix Caching      | 🚧 WIP         | 🟢 Functional  | Functional, see detail note: [vllm-ascend#732][apc]                    |
+| Chunked Prefill               | 🟢 Functional  | 🟢 Functional  | Functional, see detail note: [Chunked Prefill][cp]                     |
+| Automatic Prefix Caching      | 🟢 Functional  | 🟢 Functional  | Functional, see detail note: [vllm-ascend#732][apc]                    |
 | LoRA                          | 🟢 Functional  | 🟢 Functional  | [vllm-ascend#396][multilora], [vllm-ascend#893][v1 multilora]          |
-| Prompt adapter                | 🔴 No plan     | 🟡 Planned     | Plan in 2025.06.30                                                     |
-| Speculative decoding          | 🟢 Functional  | 🚧 WIP         | CI needed; working on V1 support                                       |
+| Prompt adapter                | 🔴 No plan     | 🔴 No plan     | This feature has been deprecated by vllm.                              |
+| Speculative decoding          | 🟢 Functional  | 🟢 Functional  | Basic support                                                          |
 | Pooling                       | 🟢 Functional  | 🟡 Planned     | CI needed and adapting more models; V1 support rely on vLLM support.   |
 | Enc-dec                       | 🔴 NO plan     | 🟡 Planned     | Plan in 2025.06.30                                                     |
 | Multi Modality                | 🟢 Functional  | 🟢 Functional  | [Tutorial][multimodal], optimizing and adapting more models            |