diff --git a/Cargo.lock b/Cargo.lock
index f1a2f561c..7bafdd097 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -159,7 +159,7 @@ dependencies = [
  "arbitrary",
  "enum-as-inner 0.5.1",
  "flate2",
- "loro-common 1.1.0",
+ "loro-common 1.2.7",
  "rand",
  "serde_json",
 ]
@@ -649,7 +649,7 @@ dependencies = [
  "dev-utils",
  "ensure-cov",
  "flate2",
- "loro 1.1.0",
+ "loro 1.2.7",
  "rand",
  "serde_json",
  "tabled 0.15.0",
@@ -709,7 +709,7 @@ dependencies = [
  "loro 0.16.12",
  "loro 0.16.2 (git+https://github.com/loro-dev/loro.git?tag=loro-crdt%400.16.7)",
  "loro 0.16.2 (git+https://github.com/loro-dev/loro.git?rev=90470658435ec4c62b5af59ebb82fe9e1f5aa761)",
- "loro 1.1.0",
+ "loro 1.2.7",
  "num_cpus",
  "pretty_assertions",
  "rand",
@@ -1070,7 +1070,7 @@ dependencies = [
 
 [[package]]
 name = "loro"
-version = "1.1.0"
+version = "1.2.7"
 dependencies = [
  "anyhow",
  "ctor 0.2.6",
@@ -1078,10 +1078,10 @@ dependencies = [
  "enum-as-inner 0.6.0",
  "fxhash",
  "generic-btree",
- "loro-common 1.1.0",
- "loro-delta 1.1.0",
- "loro-internal 1.1.0",
- "loro-kv-store 1.1.0",
+ "loro-common 1.2.7",
+ "loro-delta 1.2.7",
+ "loro-internal 1.2.7",
+ "loro-kv-store 1.2.7",
  "pretty_assertions",
  "rand",
  "serde_json",
@@ -1140,14 +1140,14 @@ dependencies = [
 
 [[package]]
 name = "loro-common"
-version = "1.1.0"
+version = "1.2.7"
 dependencies = [
  "arbitrary",
  "enum-as-inner 0.6.0",
  "fxhash",
  "js-sys",
  "leb128",
- "loro-rle 1.1.0",
+ "loro-rle 1.2.7",
  "nonmax",
  "serde",
  "serde_columnar",
@@ -1194,7 +1194,7 @@ dependencies = [
 
 [[package]]
 name = "loro-delta"
-version = "1.1.0"
+version = "1.2.7"
 dependencies = [
  "arrayvec",
  "color-backtrace",
@@ -1212,8 +1212,8 @@ dependencies = [
 name = "loro-ffi"
 version = "1.1.3"
 dependencies = [
- "loro 1.1.0",
- "loro-internal 1.1.0",
+ "loro 1.2.7",
+ "loro-internal 1.2.7",
  "serde_json",
 ]
 
@@ -1330,7 +1330,7 @@ dependencies = [
 
 [[package]]
 name = "loro-internal"
-version = "1.1.0"
+version = "1.2.7"
 dependencies = [
  "append-only-bytes",
  "arbitrary",
@@ -1354,11 +1354,11 @@ dependencies = [
  "itertools 0.12.1",
  "js-sys",
  "leb128",
- "loro-common 1.1.0",
- "loro-delta 1.1.0",
- "loro-kv-store 1.1.0",
- "loro-rle 1.1.0",
- "loro_fractional_index 1.1.0",
+ "loro-common 1.2.7",
+ "loro-delta 1.2.7",
+ "loro-kv-store 1.2.7",
+ "loro-rle 1.2.7",
+ "loro_fractional_index 1.2.7",
  "md5",
  "miniz_oxide 0.7.1",
  "nonmax",
@@ -1401,14 +1401,14 @@ dependencies = [
 
 [[package]]
 name = "loro-kv-store"
-version = "1.1.0"
+version = "1.2.7"
 dependencies = [
  "bytes",
  "ctor 0.2.6",
  "dev-utils",
  "ensure-cov",
  "fxhash",
- "loro-common 1.1.0",
+ "loro-common 1.2.7",
  "lz4_flex",
  "once_cell",
  "quick_cache",
@@ -1458,7 +1458,7 @@ dependencies = [
 
 [[package]]
 name = "loro-rle"
-version = "1.1.0"
+version = "1.2.7"
 dependencies = [
  "append-only-bytes",
  "ctor 0.1.26",
@@ -1483,8 +1483,8 @@ dependencies = [
  "console_error_panic_hook",
  "getrandom",
  "js-sys",
- "loro-internal 1.1.0",
- "loro-rle 1.1.0",
+ "loro-internal 1.2.7",
+ "loro-rle 1.2.7",
  "serde",
  "serde-wasm-bindgen",
  "serde_json",
@@ -1530,7 +1530,7 @@ dependencies = [
 
 [[package]]
 name = "loro_fractional_index"
-version = "1.1.0"
+version = "1.2.7"
 dependencies = [
  "criterion 0.5.1",
  "fractional_index",
diff --git a/crates/delta/Cargo.toml b/crates/delta/Cargo.toml
index 58025f20a..59c0fb8b9 100644
--- a/crates/delta/Cargo.toml
+++ b/crates/delta/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro-delta"
-version = "1.1.0"
+version = "1.2.7"
 edition = "2021"
 license = "MIT"
 description = "Loro internal library. It's used as a delta between two versions of text or lists. It's also an efficient Rope."
diff --git a/crates/fractional_index/Cargo.toml b/crates/fractional_index/Cargo.toml
index 9a1e9f828..e99f5d4f7 100644
--- a/crates/fractional_index/Cargo.toml
+++ b/crates/fractional_index/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro_fractional_index"
-version = "1.1.0"
+version = "1.2.7"
 edition = "2021"
 license = "MIT"
 description = "Fraction index for Loro. Fork and modified from jamsocket/fractional_index"
diff --git a/crates/kv-store/Cargo.toml b/crates/kv-store/Cargo.toml
index 4ab1ee903..3ded412db 100644
--- a/crates/kv-store/Cargo.toml
+++ b/crates/kv-store/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro-kv-store"
-version = "1.1.0"
+version = "1.2.7"
 edition = "2021"
 license = "MIT"
 description = "Key-value store component for Loro, a high-performance CRDTs framework"
@@ -10,7 +10,7 @@ authors = ["Liang Zhao", "Zixuan Chen"]
 
 
 [dependencies]
-loro-common = { path = "../loro-common", version = "1.1.0" }
+loro-common = { path = "../loro-common", version = "1.2.7" }
 bytes = { workspace = true }
 fxhash = { workspace = true }
 once_cell = { workspace = true }
diff --git a/crates/loro-common/Cargo.toml b/crates/loro-common/Cargo.toml
index 0ccc4f80a..f1bc4aba5 100644
--- a/crates/loro-common/Cargo.toml
+++ b/crates/loro-common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro-common"
-version = "1.1.0"
+version = "1.2.7"
 edition = "2021"
 license = "MIT"
 description = "Common types and functions for Loro. This is an internal lib of Loro."
@@ -14,7 +14,7 @@ keywords = ["crdt", "local-first"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rle = { path = "../rle", version = "1.1.0", package = "loro-rle" }
+rle = { path = "../rle", version = "1.2.7", package = "loro-rle" }
 serde = { workspace = true }
 serde_json = { workspace = true, optional=true }
 thiserror = "1.0.43"
diff --git a/crates/loro-internal/Cargo.toml b/crates/loro-internal/Cargo.toml
index a9d3b04f3..c5c4746cc 100644
--- a/crates/loro-internal/Cargo.toml
+++ b/crates/loro-internal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro-internal"
-version = "1.1.0"
+version = "1.2.7"
 edition = "2021"
 license = "MIT"
 description = "Loro internal library. Do not use it directly as it's not stable."
@@ -16,13 +16,13 @@ keywords = ["crdt", "local-first"]
 [dependencies]
 generic-btree = { version = "^0.10.5" }
 smallvec = { workspace = true }
-loro-delta = { path = "../delta", version = "1.1.0", package = "loro-delta" }
-rle = { path = "../rle", version = "1.1.0", package = "loro-rle" }
-loro-common = { path = "../loro-common", version = "1.1.0" }
+loro-delta = { path = "../delta", version = "1.2.7", package = "loro-delta" }
+rle = { path = "../rle", version = "1.2.7", package = "loro-rle" }
+loro-common = { path = "../loro-common", version = "1.2.7" }
 fractional_index = { path = "../fractional_index", features = [
     "serde",
-], version = "1.1.0", package = "loro_fractional_index" }
-loro-kv-store = { path = "../kv-store", version = "1.1.0" }
+], version = "1.2.7", package = "loro_fractional_index" }
+loro-kv-store = { path = "../kv-store", version = "1.2.7" }
 fxhash = { workspace = true }
 serde = { workspace = true }
 thiserror = { workspace = true }
diff --git a/crates/loro-internal/fuzz/Cargo.toml b/crates/loro-internal/fuzz/Cargo.toml
index 6b29777ff..264a9167b 100644
--- a/crates/loro-internal/fuzz/Cargo.toml
+++ b/crates/loro-internal/fuzz/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro-internal-fuzz"
-version = "1.1.0"
+version = "1.2.7"
 authors = ["Automatically generated"]
 publish = false
 edition = "2018"
diff --git a/crates/loro/Cargo.toml b/crates/loro/Cargo.toml
index 859d7f17b..12397fd74 100644
--- a/crates/loro/Cargo.toml
+++ b/crates/loro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro"
-version = "1.1.0"
+version = "1.2.7"
 edition = "2021"
 license = "MIT"
 documentation = "https://docs.rs/loro/"
@@ -14,10 +14,10 @@ keywords = ["crdt", "local-first"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-loro-internal = { path = "../loro-internal", version = "1.1.0" }
-loro-common = { path = "../loro-common", version = "1.1.0", features = ["serde_json"] }
-loro-kv-store = { path = "../kv-store", version = "1.1.0" }
-delta = { path = "../delta", package = "loro-delta", version = "1.1.0" }
+loro-internal = { path = "../loro-internal", version = "1.2.7" }
+loro-common = { path = "../loro-common", version = "1.2.7", features = ["serde_json"] }
+loro-kv-store = { path = "../kv-store", version = "1.2.7" }
+delta = { path = "../delta", package = "loro-delta", version = "1.2.7" }
 generic-btree = { version = "^0.10.5" }
 enum-as-inner = { workspace = true }
 tracing = { workspace = true }
diff --git a/crates/rle/Cargo.toml b/crates/rle/Cargo.toml
index 92bd4b589..63c162530 100644
--- a/crates/rle/Cargo.toml
+++ b/crates/rle/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro-rle"
-version = "1.1.0"
+version = "1.2.7"
 edition = "2021"
 license = "MIT"
 description = "A internal library of loro for storing and manipulating run-length encoded data. Do not use it directly."