diff --git a/.github/workflows/kcpp-build-release-arm64.yaml b/.github/workflows/kcpp-build-release-arm64.yaml
index db08fc8ca..5b1ef3baa 100644
--- a/.github/workflows/kcpp-build-release-arm64.yaml
+++ b/.github/workflows/kcpp-build-release-arm64.yaml
@@ -1,6 +1,13 @@
 name: Koboldcpp Linux ARM64
 
-on: workflow_dispatch
+on:
+  workflow_dispatch:
+    inputs:
+      commit_hash:
+        description: 'Optional commit hash to build from'
+        required: false
+        default: ''
+
 env:
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
 
@@ -12,7 +19,11 @@ jobs:
         id: checkout
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.head_ref || github.ref_name }}
+          ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}
+
+      - name: Show Commit Used
+        run: |
+          echo "Building from ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}"
 
       - name: Install Dependencies
         id: depends
diff --git a/.github/workflows/kcpp-build-release-linux-cuda12.yaml b/.github/workflows/kcpp-build-release-linux-cuda12.yaml
index 4ee4d6ae4..30e6e5ec5 100644
--- a/.github/workflows/kcpp-build-release-linux-cuda12.yaml
+++ b/.github/workflows/kcpp-build-release-linux-cuda12.yaml
@@ -1,6 +1,13 @@
 name: Koboldcpp Linux CUDA12
 
-on: workflow_dispatch
+on:
+  workflow_dispatch:
+    inputs:
+      commit_hash:
+        description: 'Optional commit hash to build from'
+        required: false
+        default: ''
+
 env:
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
   KCPP_CUDA: 12.1.0
@@ -16,7 +23,11 @@ jobs:
         id: checkout
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.head_ref || github.ref_name }}
+          ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}
+
+      - name: Show Commit Used
+        run: |
+          echo "Building from ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}"
 
       - name: Dependencies
         id: depends
diff --git a/.github/workflows/kcpp-build-release-linux.yaml b/.github/workflows/kcpp-build-release-linux.yaml
index b480db6e4..cd6786177 100644
--- a/.github/workflows/kcpp-build-release-linux.yaml
+++ b/.github/workflows/kcpp-build-release-linux.yaml
@@ -1,6 +1,13 @@
 name: Koboldcpp Linux
 
-on: workflow_dispatch
+on:
+  workflow_dispatch:
+    inputs:
+      commit_hash:
+        description: 'Optional commit hash to build from'
+        required: false
+        default: ''
+
 env:
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
   NOAVX2: 1
@@ -16,7 +23,11 @@ jobs:
         id: checkout
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.head_ref || github.ref_name }}
+          ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}
+
+      - name: Show Commit Used
+        run: |
+          echo "Building from ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}"
 
       - name: Dependencies
         id: depends
diff --git a/.github/workflows/kcpp-build-release-osx.yaml b/.github/workflows/kcpp-build-release-osx.yaml
index f4a7588f6..6b74fb8e4 100644
--- a/.github/workflows/kcpp-build-release-osx.yaml
+++ b/.github/workflows/kcpp-build-release-osx.yaml
@@ -1,6 +1,13 @@
 name: Koboldcpp Mac
 
-on: workflow_dispatch
+on:
+  workflow_dispatch:
+    inputs:
+      commit_hash:
+        description: 'Optional commit hash to build from'
+        required: false
+        default: ''
+
 env:
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
 
@@ -12,7 +19,11 @@ jobs:
         id: checkout
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.head_ref || github.ref_name }}
+          ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}
+
+      - name: Show Commit Used
+        run: |
+          echo "Building from ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}"
 
       - name: Dependencies
         id: depends
diff --git a/.github/workflows/kcpp-build-release-win-full.yaml b/.github/workflows/kcpp-build-release-win-full.yaml
index 5dfcb2868..327037378 100644
--- a/.github/workflows/kcpp-build-release-win-full.yaml
+++ b/.github/workflows/kcpp-build-release-win-full.yaml
@@ -1,6 +1,13 @@
 name: Koboldcpp Windows Full Binaries
 
-on: workflow_dispatch
+on:
+  workflow_dispatch:
+    inputs:
+      commit_hash:
+        description: 'Optional commit hash to build from'
+        required: false
+        default: ''
+
 env:
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
 
@@ -12,7 +19,11 @@ jobs:
         id: checkout
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.head_ref || github.ref_name }}
+          ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}
+
+      - name: Show Commit Used
+        run: |
+          echo "Building from ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}"
 
       - name: Get Python
         uses: actions/setup-python@v2
diff --git a/.github/workflows/kcpp-build-release-win-oldcpu-full.yaml b/.github/workflows/kcpp-build-release-win-oldcpu-full.yaml
index 34c6dab66..00b73a4cf 100644
--- a/.github/workflows/kcpp-build-release-win-oldcpu-full.yaml
+++ b/.github/workflows/kcpp-build-release-win-oldcpu-full.yaml
@@ -1,6 +1,13 @@
 name: Koboldcpp Windows Full OldCPU Binaries
 
-on: workflow_dispatch
+on:
+  workflow_dispatch:
+    inputs:
+      commit_hash:
+        description: 'Optional commit hash to build from'
+        required: false
+        default: ''
+
 env:
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
 
@@ -12,7 +19,11 @@ jobs:
         id: checkout
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.head_ref || github.ref_name }}
+          ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}
+
+      - name: Show Commit Used
+        run: |
+          echo "Building from ref: ${{ inputs.commit_hash != '' && inputs.commit_hash || github.head_ref || github.ref_name }}"
 
       - name: Get Python
         uses: actions/setup-python@v2
diff --git a/kcpp_adapters/AutoGuess.json b/kcpp_adapters/AutoGuess.json
index 1d24f376c..6eada48ea 100644
--- a/kcpp_adapters/AutoGuess.json
+++ b/kcpp_adapters/AutoGuess.json
@@ -38,6 +38,8 @@
     "search": ["System role not supported", "<start_of_turn>"],
     "name": "Google Gemma 2.",
     "adapter": {
+        "system_start": "\n",
+        "system_end": "\n",
         "user_start": "<start_of_turn>user\n",
         "user_end": "<end_of_turn>\n",
         "assistant_start": "<start_of_turn>model\n",
@@ -47,6 +49,8 @@
     "search": ["<start_of_image>", "<start_of_turn>", "<end_of_turn>"],
     "name": "Google Gemma 3.",
     "adapter": {
+        "system_start": "\n",
+        "system_end": "\n",
         "user_start": "<start_of_turn>user\n",
         "user_end": "<end_of_turn>\n",
         "assistant_start": "<start_of_turn>model\n",
diff --git a/kcpp_adapters/Gemma-2.json b/kcpp_adapters/Gemma-2.json
index 836f4a10f..34f8558f1 100644
--- a/kcpp_adapters/Gemma-2.json
+++ b/kcpp_adapters/Gemma-2.json
@@ -1,6 +1,6 @@
 {
-  "system_start": "<start_of_turn>user\n",
-  "system_end": "<end_of_turn>\n",
+  "system_start": "\n",
+  "system_end": "\n",
   "user_start": "<start_of_turn>user\n",
   "user_end": "<end_of_turn>\n",
   "assistant_start": "<start_of_turn>model\n",