diff --git a/keyboards/ydkb/unicore_f1/config.h b/keyboards/ydkb/unicore_f1/config.h
index 134fc42e877..c347969aa7f 100644
--- a/keyboards/ydkb/unicore_f1/config.h
+++ b/keyboards/ydkb/unicore_f1/config.h
@@ -3,7 +3,7 @@
 #include "config_common.h"
 
 /* USB Device descriptor parameter */
-#define FW_VER_DATE     DO6N
+#define FW_VER_DATE     DO7R
 #define CONTACT(x,y)    x##y
 #define CONTACT2(x,y)   CONTACT(x,y)
 #define FW_VER          CONTACT2(VIAL_, FW_VER_DATE)
diff --git a/keyboards/ydkb/unicore_f1/keymaps/boop65_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/boop65_vial/vial.json
index 1cfd5df6d95..761b925043d 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/boop65_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/boop65_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "labels":["Split Backspace", "ISO Enter", "Split LShift",["Space Row", "6.25u", "7u"]], 
     "keymap": [
@@ -8,8 +14,9 @@
       [{"x":2.5,"w":1.5},"1,0",{"c":"#cccccc"},"1,1","1,2","1,3","1,4","1,5","1,6","7,1","7,2","7,3","7,4","7,5","7,6",{"w":1.5},"7,0\n\n\n1,0",{"c":"#aaaaaa"},"7,7",{"x":1.25,"c":"#777777","w":1.25,"h":2,"w2":1.5,"h2":1,"x2":-0.25},"7,0\n\n\n1,1"],
       [{"x":2.5,"c":"#aaaaaa","w":1.75},"1,7",{"c":"#cccccc"},"2,1","2,2","2,3","2,4","2,5","2,6","6,1","6,2","6,3","6,4","6,5",{"c":"#777777","w":2.25},"6,6\n\n\n1,0",{"c":"#aaaaaa"},"6,0",{"x":0.25,"c":"#cccccc"},"6,6\n\n\n1,1"],
       [{"c":"#aaaaaa","w":1.25},"2,0\n\n\n2,1",{"c":"#cccccc"},"2,7\n\n\n2,1",{"x":0.25,"c":"#aaaaaa","w":2.25},"2,0\n\n\n2,0",{"c":"#cccccc"},"3,1","3,2","3,3","3,4","3,5","4,1","4,2","4,3","5,3","5,4",{"c":"#aaaaaa","w":1.75},"5,5",{"c":"#777777"},"5,6",{"c":"#aaaaaa"},"5,7"],
-      [{"x":2.5,"w":1.25},"3,0\n\n\n3,0",{"w":1.25},"3,7\n\n\n3,0",{"w":1.25},"3,6\n\n\n3,0",{"c":"#777777","w":6.25},"4,0\n\n\n3,0",{"c":"#aaaaaa","w":1.25},"4,6\n\n\n3,0",{"w":1.25},"4,7\n\n\n3,0",{"x":0.5,"c":"#777777"},"5,2","5,1","5,0"],
-      [{"y":0.25,"x":2.5,"c":"#aaaaaa","w":1.5},"3,0\n\n\n3,1","3,7\n\n\n3,1",{"w":1.5},"3,6\n\n\n3,1",{"c":"#777777","w":7},"4,0\n\n\n3,1",{"c":"#aaaaaa","w":1.5},"4,7\n\n\n3,1"]
+      [{"x":2.5,"w":1.25},"3,0\n\n\n3,0",{"w":1.25},"3,7\n\n\n3,0",{"w":1.25},"3,6\n\n\n3,0",{"c":"#777777","w":6.25},"4,0\n\n\n3,0",{"c":"#aaaaaa","w":1.25},"4,6\n\n\n3,0",{"w":1.25},"4,7\n\n\n3,0",{"c":"#cccccc","w":0.5,"h":0.5,"d":true},"4,4",{"c":"#777777"},"5,2","5,1","5,0"],
+      [{"y":-0.5,"x":15,"c":"#cccccc","w":0.5,"h":0.5,"d":true},"4,5"],
+      [{"y":-0.25,"x":2.5,"c":"#aaaaaa","w":1.5},"3,0\n\n\n3,1","3,7\n\n\n3,1",{"w":1.5},"3,6\n\n\n3,1",{"c":"#777777","w":7},"4,0\n\n\n3,1",{"c":"#aaaaaa","w":1.5},"4,7\n\n\n3,1"]
     ]
   }
 }
\ No newline at end of file
diff --git a/keyboards/ydkb/unicore_f1/keymaps/dev60_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/dev60_vial/vial.json
index 53ec0532c71..85065311579 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/dev60_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/dev60_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "labels":["2u Backspace", ["Bottom Row", "HHKB 7u", "WKL1", "WKL2"]], 
     "keymap": [
diff --git a/keyboards/ydkb/unicore_f1/keymaps/dusk67_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/dusk67_vial/vial.json
index 1cfd5df6d95..3e000013b90 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/dusk67_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/dusk67_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "labels":["Split Backspace", "ISO Enter", "Split LShift",["Space Row", "6.25u", "7u"]], 
     "keymap": [
diff --git a/keyboards/ydkb/unicore_f1/keymaps/eden_v2_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/eden_v2_vial/vial.json
index 1fff9c14cfd..735d3088500 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/eden_v2_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/eden_v2_vial/vial.json
@@ -1,8 +1,14 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
-    "labels":["Split Backspace", "ISO Enter", "Split LShift", "2.75u RShift", ["Space Row", "7u wk", "7u wkl", "7u hhkb", "6.25u wk"]], 
+    "labels":["Split Backspace", "ISO Enter", "Split LShift", "2.75u RShift", ["Space Row", "7u wk", "7u wkl", "7u hhkb"]], 
     "keymap": [
       [{"x":2.5},"0,0","0,1","0,2","0,3","0,4","0,5","0,6","0,7","8,3","8,4","8,5","8,6","8,7",{"c":"#aaaaaa","w":2},"8,0\n\n\n0,0",{"x":0.5,"c":"#cccccc"},"8,0\n\n\n0,1",{"c":"#aaaaaa"},"8,2\n\n\n0,1"],
       [{"x":2.5,"w":1.5},"1,0",{"c":"#cccccc"},"1,1","1,2","1,3","1,4","1,5","1,6","7,1","7,2","7,3","7,4","7,5","7,6",{"w":1.5},"7,0\n\n\n1,0",{"x":1.5,"c":"#777777","w":1.25,"h":2,"w2":1.5,"h2":1,"x2":-0.25},"7,0\n\n\n1,1"],
@@ -10,8 +16,7 @@
       [{"c":"#aaaaaa","w":1.25},"2,0\n\n\n2,1",{"c":"#cccccc"},"2,7\n\n\n2,1",{"x":0.25,"c":"#aaaaaa","w":2.25},"2,0\n\n\n2,0",{"c":"#cccccc"},"3,1","3,2","3,3","3,4","3,5","4,1","4,2","4,3","5,3","5,4",{"c":"#aaaaaa","w":1.75},"5,5\n\n\n3,0","5,6\n\n\n3,0",{"x":0.25,"w":2.75},"5,5\n\n\n3,1"],
       [{"x":2.5,"w":1.5},"3,0\n\n\n4,0","3,7\n\n\n4,0",{"w":1.5},"3,6\n\n\n4,0",{"c":"#777777","w":7},"4,0\n\n\n4,0",{"c":"#aaaaaa","w":1.5},"4,7\n\n\n4,0","5,2\n\n\n4,0",{"w":1.5},"5,1\n\n\n4,0"],
       [{"x":2.5,"w":1.5},"3,0\n\n\n4,1",{"d":true},"3,7\n\n\n4,1",{"w":1.5},"3,6\n\n\n4,1",{"c":"#777777","w":7},"4,0\n\n\n4,1",{"c":"#aaaaaa","w":1.5},"4,7\n\n\n4,1",{"d":true},"5,2\n\n\n4,1",{"w":1.5},"5,1\n\n\n4,1"],
-      [{"x":2.5,"w":1.5,"d":true},"3,0\n\n\n4,2","3,7\n\n\n4,2",{"w":1.5},"3,6\n\n\n4,2",{"c":"#777777","w":7},"4,0\n\n\n4,2",{"c":"#aaaaaa","w":1.5},"4,7\n\n\n4,2","5,2\n\n\n4,2",{"w":1.5,"d":true},"5,1\n\n\n4,2"],
-      [{"y":0.25,"x":2.5,"w":1.25},"3,0\n\n\n4,3",{"w":1.25},"3,7\n\n\n4,3",{"w":1.25},"3,6\n\n\n4,3",{"c":"#777777","w":6.25},"4,0\n\n\n4,3",{"c":"#aaaaaa","w":1.25},"4,6\n\n\n4,3",{"w":1.25},"4,7\n\n\n4,3",{"w":1.25},"5,2\n\n\n4,3",{"w":1.25},"5,1\n\n\n4,3"]
+      [{"x":2.5,"w":1.5,"d":true},"3,0\n\n\n4,2","3,7\n\n\n4,2",{"w":1.5},"3,6\n\n\n4,2",{"c":"#777777","w":7},"4,0\n\n\n4,2",{"c":"#aaaaaa","w":1.5},"4,7\n\n\n4,2","5,2\n\n\n4,2",{"w":1.5,"d":true},"5,1\n\n\n4,2"]
     ]
   }
 }
\ No newline at end of file
diff --git a/keyboards/ydkb/unicore_f1/keymaps/kbd8xmk3_og_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/kbd8xmk3_og_vial/vial.json
index b4be53ecff0..7ef6366e486 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/kbd8xmk3_og_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/kbd8xmk3_og_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "labels":["Split Backspace", "ISO Enter", "Split LShift", "Split RShift", ["Space Row", "6.25u", "7u"]], 
     "keymap": [
diff --git a/keyboards/ydkb/unicore_f1/keymaps/kbd8xmk3_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/kbd8xmk3_vial/vial.json
index ae7a40bc3f2..fc00c1777dc 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/kbd8xmk3_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/kbd8xmk3_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "labels":["Split Backspace", "ISO Enter", "Split LShift", "Split RShift", ["Space Row", "6.25u", "7u"]], 
     "keymap": [
diff --git a/keyboards/ydkb/unicore_f1/keymaps/taco75_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/taco75_vial/vial.json
index 14e7659cd84..ea52f2dbc9a 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/taco75_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/taco75_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "labels":["Split Backspace", "ISO Enter", "Split LShift",["Space Row", "6.25u", "7u"]], 
     "keymap": [
diff --git a/keyboards/ydkb/unicore_f1/keymaps/tacopad_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/tacopad_vial/vial.json
index 5017092fd18..3ad05f1affa 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/tacopad_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/tacopad_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "keymap": [
       [{"c":"#777777"},"0,0",{"c":"#aaaaaa"},"0,1","0,2","0,3"],
diff --git a/keyboards/ydkb/unicore_f1/keymaps/tofufa_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/tofufa_vial/vial.json
index 1cfd5df6d95..3e000013b90 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/tofufa_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/tofufa_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "labels":["Split Backspace", "ISO Enter", "Split LShift",["Space Row", "6.25u", "7u"]], 
     "keymap": [
diff --git a/keyboards/ydkb/unicore_f1/keymaps/uni88_vial/vial.json b/keyboards/ydkb/unicore_f1/keymaps/uni88_vial/vial.json
index 7b55726a166..3fe8b3e4d44 100644
--- a/keyboards/ydkb/unicore_f1/keymaps/uni88_vial/vial.json
+++ b/keyboards/ydkb/unicore_f1/keymaps/uni88_vial/vial.json
@@ -1,6 +1,12 @@
 {
   "lighting": "qmk_rgblight",
   "matrix": {"rows": 14, "cols": 8},
+  "customKeycodes": [
+    {"name": "ST(W)", "title": "", "shortName": "ST(W)"},
+    {"name": "ST(A)", "title": "", "shortName": "ST(A)"},
+    {"name": "ST(S)", "title": "", "shortName": "ST(S)"},
+    {"name": "ST(D)", "title": "", "shortName": "ST(D)"}
+  ], 
   "layouts": {
     "labels":["Split Backspace", "ISO Enter", "Split LShift", "Split RShift", ["Space Row", "6.25u", "7u"]], 
     "keymap": [
diff --git a/keyboards/ydkb/unicore_f1/led.c b/keyboards/ydkb/unicore_f1/led.c
index d71df5a5c38..cb8e0bcce06 100644
--- a/keyboards/ydkb/unicore_f1/led.c
+++ b/keyboards/ydkb/unicore_f1/led.c
@@ -223,3 +223,33 @@ void hook_keyboard_loop(void) {
         }
     }
 }
+
+// Snap Tap / SOCD
+static const SOCD_KEY[2][2] = {
+    { KC_W, KC_S },
+    { KC_A, KC_D }
+};
+
+bool socd_key_state[2][2] = { {0,0},{0,0}};
+
+void post_process_record_user(uint16_t keycode, keyrecord_t *record) {
+    if (keycode >= USER00 && keycode <= USER03) {
+        uint8_t key = keycode - USER00;
+        uint8_t k_group = key&1;
+        uint8_t k_num = key>>1;
+        uint8_t k_op_num = k_num?0:1;
+        if (record->event.pressed) {
+            socd_key_state[k_group][k_num] = 1;
+            if (socd_key_state[k_group][k_op_num]) {
+                unregister_code(SOCD_KEY[k_group][k_op_num]);
+            }
+            register_code(SOCD_KEY[k_group][k_num]);
+        } else {
+            socd_key_state[k_group][k_num] = 0;
+            unregister_code(SOCD_KEY[k_group][k_num]);
+            if (socd_key_state[k_group][k_op_num]) {
+                register_code(SOCD_KEY[k_group][k_op_num]);
+            }
+        }
+    }
+}
\ No newline at end of file