diff --git a/CHANGELOG.md b/CHANGELOG.md
index 887e61e..acfa2a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,16 @@ Access the sub-sections directly :
 
 ## App
 
+### App [0.1.1-alpha] - 2024-09-02
+
+#### Added
+
+-   edit title and intro
+
+#### Fixed
+
+-   bug doc not saved when back navigation
+
 ### App [0.1.0-preview.8] - 2024-08-21
 
 #### Added
@@ -64,6 +74,8 @@ Access the sub-sections directly :
 
 #### Added
 
+-   js & nodejs : fetch_header
+-   js & nodejs : update_header
 -   js & nodejs : signature_status
 -   js & nodejs : signed_snapshot_request
 -   js & nodejs : signature_request
@@ -116,6 +128,8 @@ Access the sub-sections directly :
 
 ## Broker
 
+### Broker [0.1.1-alpha] - 2024-09-02
+
 ### Broker [0.1.0-preview.8] - 2024-08-21
 
 #### Added
@@ -156,6 +170,8 @@ Access the sub-sections directly :
 
 ## CLI
 
+### CLI [0.1.1-alpha] - 2024-09-02
+
 ### CLI [0.1.0-preview.8] - 2024-08-21
 
 #### Added
diff --git a/Cargo.lock b/Cargo.lock
index 50f07c6..7172c1c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3224,7 +3224,7 @@ checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
 
 [[package]]
 name = "nextgraph"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "async-once-cell",
  "async-std",
@@ -3252,7 +3252,7 @@ dependencies = [
 
 [[package]]
 name = "ng-app"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "async-std",
  "nextgraph",
@@ -3290,7 +3290,7 @@ dependencies = [
 
 [[package]]
 name = "ng-broker"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "async-std",
  "async-trait",
@@ -3315,7 +3315,7 @@ dependencies = [
 
 [[package]]
 name = "ng-client-ws"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "async-std",
  "async-trait",
@@ -3334,7 +3334,7 @@ dependencies = [
 
 [[package]]
 name = "ng-net"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "async-recursion",
  "async-std",
@@ -3364,7 +3364,7 @@ dependencies = [
 
 [[package]]
 name = "ng-oxigraph"
-version = "0.4.0-alpha.7-ngpreview7"
+version = "0.4.0-alpha.7-ngalpha"
 dependencies = [
  "base64-url",
  "codspeed-criterion-compat",
@@ -3395,7 +3395,7 @@ dependencies = [
 
 [[package]]
 name = "ng-repo"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "base64-url",
  "blake3",
@@ -3444,7 +3444,7 @@ dependencies = [
 
 [[package]]
 name = "ng-sdk-js"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "async-std",
  "futures",
@@ -3471,7 +3471,7 @@ dependencies = [
 
 [[package]]
 name = "ng-storage-rocksdb"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "ng-repo",
  "ng-rocksdb",
@@ -3499,7 +3499,7 @@ dependencies = [
 
 [[package]]
 name = "ng-verifier"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "async-std",
  "async-trait",
@@ -3524,7 +3524,7 @@ dependencies = [
 
 [[package]]
 name = "ng-wallet"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "aes-gcm-siv",
  "argon2",
@@ -3551,7 +3551,7 @@ dependencies = [
 
 [[package]]
 name = "ngaccount"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "anyhow",
  "duration-str",
@@ -3569,7 +3569,7 @@ dependencies = [
 
 [[package]]
 name = "ngcli"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "async-std",
  "blake3",
@@ -3589,7 +3589,7 @@ dependencies = [
 
 [[package]]
 name = "ngd"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "addr",
  "async-std",
@@ -3608,7 +3608,7 @@ dependencies = [
 
 [[package]]
 name = "ngone"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 dependencies = [
  "base64-url",
  "bytes",
diff --git a/Cargo.toml b/Cargo.toml
index 8ad0df8..1d3de19 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ members = [
 default-members = [ "nextgraph", "ngcli",  "ngd" ]
 
 [workspace.package]
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 edition = "2021"
 rust-version = "1.74.0"
 license = "MIT/Apache-2.0"
diff --git a/RELEASE-NOTE.md b/RELEASE-NOTE.md
index c5e774c..6ec655c 100644
--- a/RELEASE-NOTE.md
+++ b/RELEASE-NOTE.md
@@ -1,6 +1,6 @@
-# Release 0.1.0-preview.8
+# Release 0.1.1-alpha
 
-_21 August 2024_
+_02 September 2024_
 
 This release is not stable and should not be used for any productive work or to store personal documents. This release is meant as a **preview** of what NextGraph can do as of today and hints at its future potential.
 
@@ -10,13 +10,9 @@ If you previously installed any NextGraph app on your device, please uninstall i
 
 ## App
 
-Please read the :
+Please read the [Getting started](https://docs.nextgraph.org/en/getting-started) guide.
 
--   [Getting started](https://docs.nextgraph.org/en/getting-started) guide.
--   list of [features](https://docs.nextgraph.org/en/features).
--   the [CRDTs page](https://docs.nextgraph.org/en/framework/crdts) in the framework docs.
-
-[changelog](CHANGELOG.md#app-0-1-0-preview-8-2024-08-21)
+[changelog](CHANGELOG.md#app-0-1-1-alpha-2024-09-02)
 
 ## SDK
 
@@ -28,13 +24,13 @@ The SDK for is not documented yet.
 
 The `ngd` daemon is release with the basic features listed in `ngd --help`. More documentation will come soon
 
-[changelog](CHANGELOG.md#broker-0-1-0-preview-8-2024-08-21)
+[changelog](CHANGELOG.md#broker-0-1-1-alpha-2024-09-02)
 
 ## CLI
 
 The `ngcli` daemon is release with the basic features listed in `ngcli --help`. More documentation will come soon.
 
-[changelog](CHANGELOG.md#cli-0-1-0-preview-8-2024-08-21)
+[changelog](CHANGELOG.md#cli-0-1-1-alpha-2024-09-02)
 
 ## Limitations of this release
 
diff --git a/nextgraph/Cargo.toml b/nextgraph/Cargo.toml
index be0bad8..5ab8c57 100644
--- a/nextgraph/Cargo.toml
+++ b/nextgraph/Cargo.toml
@@ -2,7 +2,7 @@
 name = "nextgraph"
 description = "NextGraph client library. Nextgraph is a decentralized, secure and local-first web 3.0 ecosystem based on Semantic Web and CRDTs"
 categories = ["asynchronous","text-editors","web-programming","development-tools","database-implementations"]
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 edition.workspace = true
 license.workspace = true
 authors.workspace = true
@@ -32,14 +32,14 @@ whoami = "1.5.1"
 qrcode = { version = "0.14.1", default-features = false, features = ["svg"] }
 svg2pdf = { version = "0.11.0", default-features = false }
 pdf-writer = "0.10.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8" }
-ng-net = { path = "../ng-net", version = "0.1.0-preview.8" }
-ng-wallet = { path = "../ng-wallet", version = "0.1.0-preview.8" }
-ng-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.8" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha" }
+ng-net = { path = "../ng-net", version = "0.1.1-alpha" }
+ng-wallet = { path = "../ng-wallet", version = "0.1.1-alpha" }
+ng-client-ws = { path = "../ng-client-ws", version = "0.1.1-alpha" }
+ng-verifier = { path = "../ng-verifier", version = "0.1.1-alpha" }
 
 [target.'cfg(all(not(target_family = "wasm"),not(docsrs)))'.dependencies]
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.8" }
+ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.1-alpha" }
 
 [[example]]
 name = "in_memory"
diff --git a/nextgraph/README.md b/nextgraph/README.md
index cf274c2..62f8aab 100644
--- a/nextgraph/README.md
+++ b/nextgraph/README.md
@@ -43,7 +43,7 @@ A tokio-based version (as a feature) might be available in the future.
 
 ```toml
 [dependencies]
-nextgraph = "0.1.0-preview.8"
+nextgraph = "0.1.1-alpha"
 async-std = "1.12.0"
 ```
 
diff --git a/ng-app/package.json b/ng-app/package.json
index 1506204..6cf83e9 100644
--- a/ng-app/package.json
+++ b/ng-app/package.json
@@ -1,7 +1,7 @@
 {
   "name": "ng-app",
   "private": true,
-  "version": "0.1.0-preview.8",
+  "version": "0.1.1-alpha",
   "type": "module",
   "scripts": {
     "dev": "shx cp index-native.html index.html && vite",
@@ -68,7 +68,7 @@
     "immutable-json-patch": "^6.0.1",
     "katex": "^0.16.11",
     "lodash.debounce": "4.0.8",
-    "ng-sdk-js": "workspace:^0.1.0-preview.8",
+    "ng-sdk-js": "workspace:^0.1.1-alpha",
     "prism-themes": "^1.9.0",
     "prosemirror-model": "^1.7.1",
     "prosemirror-state": "^1.2.3",
diff --git a/ng-app/src-tauri/tauri.conf.json b/ng-app/src-tauri/tauri.conf.json
index 241c812..7686b20 100644
--- a/ng-app/src-tauri/tauri.conf.json
+++ b/ng-app/src-tauri/tauri.conf.json
@@ -8,7 +8,7 @@
   },
   "package": {
     "productName": "Nextgraph",
-    "version": "0.1.0-preview.8"
+    "version": "0.1.1-alpha"
   },
   "tauri": {
     "bundle": {
diff --git a/ng-broker/Cargo.toml b/ng-broker/Cargo.toml
index 1d28fc4..922e85d 100644
--- a/ng-broker/Cargo.toml
+++ b/ng-broker/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-broker"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 description = "Broker library of NextGraph, a decentralized, secure and local-first web 3.0 ecosystem based on Semantic Web and CRDTs"
 edition.workspace = true
 license.workspace = true
@@ -26,11 +26,11 @@ async-trait = "0.1.64"
 rust-embed= { version = "6.7.0", features=["include-exclude"] }
 ng-async-tungstenite = { version = "0.22.2", git = "https://git.nextgraph.org/NextGraph/async-tungstenite.git", branch = "nextgraph", features = ["async-std-runtime"] }
 blake3 = "1.3.1"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8" }
-ng-net = { path = "../ng-net", version = "0.1.0-preview.8" }
-ng-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.8" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.8" }
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha" }
+ng-net = { path = "../ng-net", version = "0.1.1-alpha" }
+ng-client-ws = { path = "../ng-client-ws", version = "0.1.1-alpha" }
+ng-verifier = { path = "../ng-verifier", version = "0.1.1-alpha" }
+ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.1-alpha" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies.getrandom]
 version = "0.2.7"
diff --git a/ng-client-ws/Cargo.toml b/ng-client-ws/Cargo.toml
index 662a04f..c38149b 100644
--- a/ng-client-ws/Cargo.toml
+++ b/ng-client-ws/Cargo.toml
@@ -18,8 +18,8 @@ either = "1.8.1"
 futures = "0.3.24"
 async-trait = "0.1.64"
 async-std = {  version = "1.12.0", features = ["attributes","unstable"] }
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8" }
-ng-net = { path = "../ng-net", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha" }
+ng-net = { path = "../ng-net", version = "0.1.1-alpha" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 wasm-bindgen = "0.2"
diff --git a/ng-net/Cargo.toml b/ng-net/Cargo.toml
index 6cba4b5..00ba84d 100644
--- a/ng-net/Cargo.toml
+++ b/ng-net/Cargo.toml
@@ -36,7 +36,7 @@ url = "2.4.0"
 regex = "1.8.4"
 base64-url = "2.0.0"
 web-time = "0.2.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 reqwest = { version = "0.11.18", features = ["json","native-tls-vendored"] } 
diff --git a/ng-oxigraph/Cargo.toml b/ng-oxigraph/Cargo.toml
index a6b7e42..c6fe9ce 100644
--- a/ng-oxigraph/Cargo.toml
+++ b/ng-oxigraph/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-oxigraph"
-version = "0.4.0-alpha.7-ngpreview7"
+version = "0.4.0-alpha.7-ngalpha"
 authors = ["Tpt <thomas@pellissier-tanon.fr>", "Niko PLP <niko@nextgraph.org>"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -46,7 +46,7 @@ quick-xml = ">=0.29, <0.32"
 memchr = "2.5"
 peg = "0.8"
 base64-url = "2.0.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha" }
 
 [target.'cfg(all(not(target_family = "wasm"),not(docsrs)))'.dependencies]
 libc = "0.2"
diff --git a/ng-storage-rocksdb/Cargo.toml b/ng-storage-rocksdb/Cargo.toml
index 5b53c78..81a5ed2 100644
--- a/ng-storage-rocksdb/Cargo.toml
+++ b/ng-storage-rocksdb/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-storage-rocksdb"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 description = "Stores based on RocksDB for NextGraph"
 edition.workspace = true
 license.workspace = true
@@ -14,7 +14,7 @@ build = "build.rs"
 
 [dependencies]
 serde_bare = "0.5.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha" }
 
 [target.'cfg(all(not(target_arch = "wasm32"),not(docsrs)))'.dependencies.ng-rocksdb]
 git = "https://git.nextgraph.org/NextGraph/rust-rocksdb.git"
diff --git a/ng-verifier/Cargo.toml b/ng-verifier/Cargo.toml
index 8373cf3..c6783bc 100644
--- a/ng-verifier/Cargo.toml
+++ b/ng-verifier/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-verifier"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 description = "Verifier library of NextGraph"
 edition.workspace = true
 license.workspace = true
@@ -33,16 +33,16 @@ async-std = { version = "1.12.0", features = [ "attributes", "unstable" ] }
 automerge = "0.5.11"
 yrs = "0.19.2"
 sbbf-rs-safe = "0.3.2"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8" }
-ng-net = { path = "../ng-net", version = "0.1.0-preview.8" }
-ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngpreview7" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha" }
+ng-net = { path = "../ng-net", version = "0.1.1-alpha" }
+ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngalpha" }
 
 [target.'cfg(target_family = "wasm")'.dependencies]
-ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngpreview7", features = ["js"] }
+ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngalpha", features = ["js"] }
 
 [target.'cfg(all(not(target_family = "wasm"),not(docsrs)))'.dependencies]
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.8" }
+ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.1-alpha" }
 getrandom = "0.2.7"
 
 [dev-dependencies]
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8", features = ["testing"] }
\ No newline at end of file
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha", features = ["testing"] }
\ No newline at end of file
diff --git a/ng-wallet/Cargo.toml b/ng-wallet/Cargo.toml
index b17dc64..804d6a3 100644
--- a/ng-wallet/Cargo.toml
+++ b/ng-wallet/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-wallet"
-version = "0.1.0-preview.8"
+version = "0.1.1-alpha"
 description = "Wallet library of NextGraph. keeps the secret keys of all identities of the user in a safe wallet. NextGraph is a decentralized, secure and local-first web 3.0 ecosystem based on Semantic Web and CRDTs"
 categories = ["authentication"]
 edition.workspace = true
@@ -32,10 +32,10 @@ chacha20poly1305 = "0.10.1"
 #{version = "0.10.1", features = ["heapless","getrandom"] }
 image = "0.24.6"
 web-time = "0.2.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8" }
-ng-net = { path = "../ng-net", version = "0.1.0-preview.8" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha" }
+ng-net = { path = "../ng-net", version = "0.1.1-alpha" }
+ng-verifier = { path = "../ng-verifier", version = "0.1.1-alpha" }
 
 [dev-dependencies]
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8", features = ["testing"] }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.8", features = ["testing"] }
\ No newline at end of file
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha", features = ["testing"] }
+ng-verifier = { path = "../ng-verifier", version = "0.1.1-alpha", features = ["testing"] }
\ No newline at end of file
diff --git a/ngaccount/Cargo.toml b/ngaccount/Cargo.toml
index b4c913d..2f00dfc 100644
--- a/ngaccount/Cargo.toml
+++ b/ngaccount/Cargo.toml
@@ -23,6 +23,6 @@ log = "0.4"
 env_logger = "0.10"
 anyhow = "1.0.71"
 duration-str = "0.7.1"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8", features = ["server_log_output"] }
-ng-net = { path = "../ng-net", version = "0.1.0-preview.8" }
-ng-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.8" }
\ No newline at end of file
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha", features = ["server_log_output"] }
+ng-net = { path = "../ng-net", version = "0.1.1-alpha" }
+ng-client-ws = { path = "../ng-client-ws", version = "0.1.1-alpha" }
\ No newline at end of file
diff --git a/ngcli/Cargo.toml b/ngcli/Cargo.toml
index 0be195d..4370238 100644
--- a/ngcli/Cargo.toml
+++ b/ngcli/Cargo.toml
@@ -26,7 +26,7 @@ duration-str = "0.7.1"
 clap = { version = "4.3.5", features = ["env","string","cargo"] }
 log = "0.4"
 env_logger = "0.10"
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8", features = ["server_log_output"] }
-ng-net = { path = "../ng-net", version = "0.1.0-preview.8" }
-ng-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha", features = ["server_log_output"] }
+ng-net = { path = "../ng-net", version = "0.1.1-alpha" }
+ng-client-ws = { path = "../ng-client-ws", version = "0.1.1-alpha" }
 ng-async-tungstenite = { version = "0.22.2", git = "https://git.nextgraph.org/NextGraph/async-tungstenite.git", branch = "nextgraph",  features = ["async-std-runtime", "async-native-tls"] }
\ No newline at end of file
diff --git a/ngd/Cargo.toml b/ngd/Cargo.toml
index 7bca0fe..d30cde2 100644
--- a/ngd/Cargo.toml
+++ b/ngd/Cargo.toml
@@ -27,9 +27,9 @@ lazy_static = "1.4.0"
 log = "0.4"
 env_logger = "0.10"
 clap = { version = "4.3.21", features = ["derive","env","string"] }
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.8", features = ["server_log_output"] }
-ng-net = { path = "../ng-net", version = "0.1.0-preview.8" }
-ng-broker = { path = "../ng-broker", version = "0.1.0-preview.8" }
+ng-repo = { path = "../ng-repo", version = "0.1.1-alpha", features = ["server_log_output"] }
+ng-net = { path = "../ng-net", version = "0.1.1-alpha" }
+ng-broker = { path = "../ng-broker", version = "0.1.1-alpha" }