diff --git a/README.md b/README.md
index d1802ea..fbf78ba 100644
--- a/README.md
+++ b/README.md
@@ -136,21 +136,8 @@ Designed to add scripting to kotlin multiplatform application in easy and effici
 
 # Language Roadmap
 
-```mermaid
-flowchart
-    v0([the idea])
-    v1([v1: make it happen])
-    v2([v1.5: testmake it fasted and rich featured])
-    v3([v2: ideal script language])
-    v0 --code MVP--> v1
-    v1 --refine and extend--> v2
-    v2 -- optimize --> v3
-    
-```
-
-## v1.0.0 "Make it happen" - done!
-
-Planned autumn 2025. Complete dynamic language with sufficient standard library:
+We are now at **v1.0**: basic optimization performed, battery included: standard library is 90% here, initial
+support in HTML, popular editors, and IDEA; tools to syntax highlight and format code are ready. It was released closed to schedule.
 
 Ready features:
 
@@ -176,23 +163,23 @@ Ready features:
 - [x] regular exceptions + extended `when`
 - [x] multiple inheritance for user classes
 
-## plan: v1.0 - v1.5 Stability, integration, optimizations
+## plan: towards v1.5 Enhancing
 
 - [x] site with integrated interpreter to give a try
 - [x] kotlin part public API good docs, integration focused
 - [ ] type specifications
-- [x] Texmate Bundle
+- [x] Textmate Bundle
 - [x] IDEA plugin
 - [ ] source docs and maybe lyng.md to a standard
 - [ ] metadata first class access from lyng
 - [x] aggressive optimizations
-- [ ] JVM bytecode optimizations
+- [ ] compile to JVM bytecode optimization
 
 ## After 1.5 "Ideal scripting"
 
-  Estimated summer 2026
+Estimated summer 2026
 
-- [ ] notebook - style workbooks with graphs, formulae, etc.
+- propose your feature! 
 
 ## Authors
 
diff --git a/lyng-idea/src/main/resources/icons/lyng_file.svg b/lyng-idea/src/main/resources/icons/lyng_file.svg
index 128e976..e34e18d 100644
--- a/lyng-idea/src/main/resources/icons/lyng_file.svg
+++ b/lyng-idea/src/main/resources/icons/lyng_file.svg
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!--
   - Copyright 2025 Sergey S. Chernov real.sergeych@gmail.com
   -
@@ -15,17 +15,68 @@
   - limitations under the License.
   -
   -->
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" role="img" aria-label="Lyng favicon">
-    <style>
+
+<svg
+        viewBox="0 0 16.114843 20.543751"
+        role="img"
+        aria-label="Lyng favicon"
+        version="1.1"
+        id="svg2"
+        sodipodi:docname="lyng_file.svg"
+        width="16.114843"
+        height="20.543751"
+        inkscape:version="1.4.2 (1:1.4.2+202505120737+ebf0e940d0)"
+        xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+        xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+        xmlns="http://www.w3.org/2000/svg"
+>
+  <defs
+     id="defs2" />
+  <sodipodi:namedview
+     id="namedview2"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="49.791667"
+     inkscape:cx="8.9271967"
+     inkscape:cy="10.574059"
+     inkscape:window-width="2512"
+     inkscape:window-height="1403"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg2" />
+  <style
+     id="style1">
         :root { color-scheme: light dark; }
         .mark { fill: currentColor; }
         .math { font-family: 'STIX Two Math', 'Cambria Math', 'Times New Roman', serif; }
     </style>
-    <g class="mark math">
-        <!-- Keep favicon legible: lambda with superscript y only -->
-        <text x="3" y="17" font-size="19" font-weight="700"
-        color="#009000" stroke="#002000" stroke-width="0.3">λ</text>
-        <text x="11.2" y="4" font-size="16" color="#009000" stroke="#002000"
-              stroke-width="0.1">y</text>
-    </g>
+  <g
+     class="mark math"
+     id="g2"
+     transform="translate(-3.0726562,3.39375)">
+    <!-- Keep favicon legible: lambda with superscript y only -->
+    <text
+       x="3"
+       y="17"
+       font-size="19px"
+       font-weight="700"
+       color="#009000"
+       stroke="#002000"
+       stroke-width="0.3"
+       id="text1">λ</text>
+    <text
+       x="11.2"
+       y="4"
+       font-size="16px"
+       color="#009000"
+       stroke="#002000"
+       stroke-width="0.1"
+       id="text2">y</text>
+  </g>
 </svg>
diff --git a/lyng-idea/src/main/resources/icons/lyngicon.png b/lyng-idea/src/main/resources/icons/lyngicon.png
new file mode 100644
index 0000000..d4e81e6
Binary files /dev/null and b/lyng-idea/src/main/resources/icons/lyngicon.png differ
diff --git a/lyng-idea/src/main/resources/icons/lyngicon.svg b/lyng-idea/src/main/resources/icons/lyngicon.svg
new file mode 100644
index 0000000..6428f53
--- /dev/null
+++ b/lyng-idea/src/main/resources/icons/lyngicon.svg
@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+  - Copyright 2025 Sergey S. Chernov real.sergeych@gmail.com
+  -
+  - Licensed under the Apache License, Version 2.0 (the "License");
+  - you may not use this file except in compliance with the License.
+  - You may obtain a copy of the License at
+  -
+  -     http://www.apache.org/licenses/LICENSE-2.0
+  -
+  - Unless required by applicable law or agreed to in writing, software
+  - distributed under the License is distributed on an "AS IS" BASIS,
+  - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  - See the License for the specific language governing permissions and
+  - limitations under the License.
+  -
+  -->
+
+<svg
+        viewBox="0 0 32.129775 32.129776"
+        role="img"
+        aria-label="Lyng favicon"
+        version="1.1"
+        id="svg2"
+        sodipodi:docname="lyngicon.svg"
+        width="32.129776"
+        height="32.129776"
+        inkscape:version="1.4.2 (1:1.4.2+202505120737+ebf0e940d0)"
+        inkscape:export-filename="lyngicon.png"
+        inkscape:export-xdpi="1529.7959"
+        inkscape:export-ydpi="1529.7959"
+        xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+        xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+        xmlns="http://www.w3.org/2000/svg"
+>
+  <defs
+     id="defs2" />
+  <sodipodi:namedview
+     id="namedview2"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="16"
+     inkscape:cx="12.65625"
+     inkscape:cy="5.90625"
+     inkscape:window-width="2512"
+     inkscape:window-height="1403"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg2" />
+  <style
+     id="style1">
+        :root { color-scheme: light dark; }
+        .mark { fill: currentColor; }
+        .math { font-family: 'STIX Two Math', 'Cambria Math', 'Times New Roman', serif; }
+    </style>
+  <circle
+     style="fill:#2b0022;stroke:none;stroke-width:10.6332"
+     id="path2"
+     cx="16.064888"
+     cy="16.064888"
+     r="16.064888" />
+  <g
+     class="mark math"
+     id="g2"
+     transform="translate(4.8666825,8.3889988)"
+     style="fill:#00aa44;stroke:#005522">
+    <!-- Keep favicon legible: lambda with superscript y only -->
+    <text
+       x="3"
+       y="17"
+       font-size="19px"
+       font-weight="700"
+       color="#009000"
+       stroke="#002000"
+       stroke-width="0.3"
+       id="text1"
+       style="fill:#00aa44;stroke:#005522">λ</text>
+    <text
+       x="11.2"
+       y="4"
+       font-size="16px"
+       color="#009000"
+       stroke="#002000"
+       stroke-width="0.1"
+       id="text2"
+       style="fill:#00aa44;stroke:#005522">y</text>
+  </g>
+</svg>
diff --git a/site/src/jsMain/resources/icons/lyng-mark-256.png b/site/src/jsMain/resources/icons/lyng-mark-256.png
deleted file mode 100644
index fcab14b..0000000
Binary files a/site/src/jsMain/resources/icons/lyng-mark-256.png and /dev/null differ