diff --git a/CBlue/CHANGELOG.md b/CBlue/CHANGELOG.md
index ac0ad32d0..8e47eb1b1 100644
--- a/CBlue/CHANGELOG.md
+++ b/CBlue/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## Versions
 
+* 3.0: compatibility with Cinnamon 6.4.
 * 2.12: weather applet touch-up.
 * 2.11: increase font size, small changes to menu appearance, calendar, panel-lauchers...
 * 2.10: fixed a display bug in workspace names.
diff --git a/CBlue/files/CBlue/cinnamon/cinnamon.css b/CBlue/files/CBlue/cinnamon/cinnamon.css
index 6759e57c0..aa2dc7ec8 100644
--- a/CBlue/files/CBlue/cinnamon/cinnamon.css
+++ b/CBlue/files/CBlue/cinnamon/cinnamon.css
@@ -154,6 +154,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 }
 .popup-menu-item:insensitive {
 	background-color: rgb(82, 148, 226);
+	background: none;
 }
 .popup-combobox-item {
 	spacing: 1em;
@@ -390,6 +391,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 .window-caption {
 	background-color: rgba(53, 57, 69, 0.75);
 	color: #ccc;
+	border-radius: 25px;
 	font-weight: bold;
 	padding: .5em;
 	spacing: .5em;
@@ -729,16 +731,23 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 #altTabPopup {
 	padding: 8px;
 	spacing: 16px;
-	background-color: rgba(0, 0, 0, 0.3);
+	background-color: rgba(53, 57, 69, 0.75);
 }
 #altTabPopup .switcher-list .item-box:selected {
 	background-color: rgba(82, 148, 226, 1);
 }
+.resize-popup, .workspace-switch-osd, .info-osd, .media-keys-osd, #Tooltip, #LookingGlassDialog {
+	color: #ccc;
+	background-color: rgba(53, 57, 69, 0.75);
+	border-radius: 55px;
+	text-align: center;
+	padding: 16px;
+}
 .switcher-list {
 	background: rgba(53, 57, 69, 0.75);
 	box-shadow: 0px 0px 4px 2px rgba(0, 0, 0, 0.75);
 	border: 0px solid #a5a5a5;
-	border-radius: 1px;
+	border-radius: 25px;
 	padding: 20px;
 	font-size: 9pt;
 	color: white;
@@ -750,7 +759,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	background-gradient-direction: horizontal;
 	background-gradient-start: rgba(53, 57, 69, 0.75);
 	background-gradient-end: rgba(53, 57, 69, 0);
-	border-radius: 24px;
+	border-radius: 25px;
 	border-radius-topright: 1px;
 	border-radius-bottomright: 1px;
 	width: 60px;
@@ -759,7 +768,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	background-gradient-direction: horizontal;
 	background-gradient-start: rgba(53, 57, 69, 0);
 	background-gradient-end: rgba(53, 57, 69, 0.75);
-	border-radius: 24px;
+	border-radius: 25px;
 	border-radius-topleft: 1px;
 	border-radius-bottomleft: 1px;
 	width: 60px;
@@ -855,13 +864,24 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	font-weight: bold;
 	font-size: 48pt;
 }
+.workspace-switch-osd-indicator {
+	background-color: #22242d;
+	padding: 7px;
+	margin: 7px;
+	border-radius: 14px;
+}
+.workspace-switch-osd-indicator:active {
+	background-color: #5294e2;
+	padding: 7px;
+	margin: 7px;
+}
 /* ===================================================================
  * Run dialog (Alt+F2)
  * ===================================================================*/
 .run-dialog-label {
 	font-size: 12pt;
 	text-align: center;
-	color: white;
+	color: #ccc;
 	font-weight: bold;
 	padding-bottom: 5px;
 }
@@ -881,7 +901,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	font-size: 12pt;
 	width: 250px;
 	height: 25px;
-	color: white;
+	color: #ccc;
 	padding-left: 7px;
 	background-color: rgb(82, 148, 226);
 	selection-background-color: rgba(53, 57, 69, 0.75);
@@ -1511,16 +1531,17 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	color: #5294e2;
 }
 .hourly-time {
-	padding: 0px 7px;
+	padding: 0px 8px;
 }
 .hourly-box {
-	padding: 0px 25px;
+/*	padding: 0px 10px;*/
 }
 /* ===================================================================
  * User Applet and CinnVIIStarkMenu
  * ===================================================================*/
 .user-icon, .hover-user-icon {
 	border-radius: 1px;
+	border-radius: 45px;
 	border: 2px solid #5294e2;
 }
 /* ===================================================================
@@ -1650,8 +1671,9 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
  * Workspace OSD (Ctl+Alt+Up)
  * ===================================================================*/
 .expo-workspaces-name-entry {
-	padding: 5px;
-	color: #fff;
+	padding: 8px;
+	color: #ccc;
+	border-radius: 25px;
 	font-weight: bold;
 	background-color: rgba(53, 57, 69, 0.75);
 	selected-color: white;
@@ -1675,7 +1697,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
  * Button Menu
  * ===================================================================*/
 /*This option works only applica to any applet that is in the left corner*/
- #panelLeft .applet-box:first-child:active {
+#panelLeft .applet-box:first-child:active {
 	background-color: rgba(82, 148, 226, 0);
 }
 /* ===================================================================
diff --git a/CBlue/files/CBlue/cinnamon/theme.json b/CBlue/files/CBlue/cinnamon/theme.json
index c1929e553..2a0fe760b 100644
--- a/CBlue/files/CBlue/cinnamon/theme.json
+++ b/CBlue/files/CBlue/cinnamon/theme.json
@@ -2,7 +2,7 @@
    "cinnamon-theme": {
    "name": "CBlue",
    "author": "Bundy01",
-   "version": "2.12",
+   "version": "3.0",
    "type":   "custom",
    "thumbnail": "thumbnail.png",
    "url": ""
diff --git a/CGreen/CHANGELOG.md b/CGreen/CHANGELOG.md
index 9c32f90a3..93b1be02d 100644
--- a/CGreen/CHANGELOG.md
+++ b/CGreen/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## Versions
 
+* 3.0: compatibility with Cinnamon 6.4.
 * 2.12: weather applet touch-up.
 * 2.11: increase font size, small changes to menu appearance, calendar, panel-lauchers...
 * 2.10: fixed a display bug in workspace names.
diff --git a/CGreen/files/CGreen/cinnamon/cinnamon.css b/CGreen/files/CGreen/cinnamon/cinnamon.css
index b25b2b2b3..7f4ad67a5 100644
--- a/CGreen/files/CGreen/cinnamon/cinnamon.css
+++ b/CGreen/files/CGreen/cinnamon/cinnamon.css
@@ -154,6 +154,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 }
 .popup-menu-item:insensitive {
 	background-color: rgb(46, 179, 152);
+	background: none;
 }
 .popup-combobox-item {
 	spacing: 1em;
@@ -390,6 +391,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 .window-caption {
 	background-color: rgba(27, 36, 32, 0.75);
 	color: #ccc;
+	border-radius: 25px;
 	font-weight: bold;
 	padding: .5em;
 	spacing: .5em;
@@ -729,16 +731,23 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 #altTabPopup {
 	padding: 8px;
 	spacing: 16px;
-	background-color: rgba(0, 0, 0, 0.3);
+	background-color: rgba(27, 36, 32, 0.75);
 }
 #altTabPopup .switcher-list .item-box:selected {
 	background-color: rgb(46, 179, 152);
 }
+.resize-popup, .workspace-switch-osd, .info-osd, .media-keys-osd, #Tooltip, #LookingGlassDialog {
+	color: #ccc;
+	background-color: rgba(27, 36, 32, 0.75);
+	border-radius: 55px;
+	text-align: center;
+	padding: 16px;
+}
 .switcher-list {
 	background: rgba(27, 36, 32, 0.75);
 	box-shadow: 0px 0px 4px 2px rgba(0, 0, 0, 0.75);
 	border: 0px solid #a5a5a5;
-	border-radius: 1px;
+	border-radius: 25px;
 	padding: 20px;
 	font-size: 9pt;
 	color: white;
@@ -750,7 +759,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	background-gradient-direction: horizontal;
 	background-gradient-start: rgba(27, 36, 32, 0.75);
 	background-gradient-end: rgba(27, 36, 32, 0);
-	border-radius: 24px;
+	border-radius: 25px;
 	border-radius-topright: 1px;
 	border-radius-bottomright: 1px;
 	width: 60px;
@@ -759,7 +768,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	background-gradient-direction: horizontal;
 	background-gradient-start: rgba(27, 36, 32, 0);
 	background-gradient-end: rgba(27, 36, 32, 0.75);
-	border-radius: 24px;
+	border-radius: 25px;
 	border-radius-topleft: 1px;
 	border-radius-bottomleft: 1px;
 	width: 60px;
@@ -849,19 +858,30 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	text-align: center;
 }
 .workspace-osd {
-	background-color: rgba(53, 57, 69, 0);
+	background-color: rgba(27, 36, 32, 0);
 	box-shadow: 0px 0px 4px 2px rgba(0, 0, 0, 0.75);
 	color: #fff;
 	font-weight: bold;
 	font-size: 48pt;
 }
+.workspace-switch-osd-indicator {
+	background-color: #071603;
+	padding: 7px;
+	margin: 7px;
+	border-radius: 14px;
+}
+.workspace-switch-osd-indicator:active {
+	background-color: #2eb398;
+	padding: 7px;
+	margin: 7px;
+}
 /* ===================================================================
  * Run dialog (Alt+F2)
  * ===================================================================*/
 .run-dialog-label {
 	font-size: 12pt;
 	text-align: center;
-	color: white;
+	color: #ccc;
 	font-weight: bold;
 	padding-bottom: 5px;
 }
@@ -881,7 +901,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	font-size: 12pt;
 	width: 250px;
 	height: 25px;
-	color: white;
+	color: #ccc;
 	padding-left: 7px;
 	background-color: rgb(46, 179, 152);
 	selection-background-color: rgba(27, 36, 32, 0.75);
@@ -1511,16 +1531,17 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
 	color: #2eb398;
 }
 .hourly-time {
-	padding: 0px 7px;
+	padding: 0px 8px;
 }
 .hourly-box {
-	padding: 0px 25px;
+/*	padding: 0px 10px;*/
 }
 /* ===================================================================
  * User Applet and CinnVIIStarkMenu
  * ===================================================================*/
 .user-icon, .hover-user-icon {
 	border-radius: 1px;
+	border-radius: 45px;
 	border: 2px solid #2eb398;
 }
 /* ===================================================================
@@ -1650,8 +1671,9 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
  * Workspace OSD (Ctl+Alt+Up)
  * ===================================================================*/
 .expo-workspaces-name-entry {
-	padding: 5px;
-	color: #fff;
+	padding: 8px;
+	color: #ccc;
+	border-radius: 25px;
 	font-weight: bold;
 	background-color: rgba(27, 36, 32, 0.75);
 	selected-color: white;
@@ -1675,7 +1697,7 @@ StScrollBar StButton#hhandle:hover, StScrollBar StButton#vhandle:hover {
  * Button Menu
  * ===================================================================*/
 /*This option works only applica to any applet that is in the left corner*/
- #panelLeft .applet-box:first-child:active {
+#panelLeft .applet-box:first-child:active {
 	background-color: rgba(46, 179, 152, 0);
 }
 /* ===================================================================
diff --git a/CGreen/files/CGreen/cinnamon/theme.json b/CGreen/files/CGreen/cinnamon/theme.json
index 350603a5e..58584dec0 100644
--- a/CGreen/files/CGreen/cinnamon/theme.json
+++ b/CGreen/files/CGreen/cinnamon/theme.json
@@ -2,7 +2,7 @@
    "cinnamon-theme": {
    "name": "CGreen",
    "author": "Bundy01",
-   "version": "2.12",
+   "version": "3.0",
    "type":   "custom",
    "thumbnail": "thumbnail.png",
    "url": ""