diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 78e7f27..8032c17 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.11.0"
+  ".": "0.12.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8206ec..90f7dff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [0.12.0](https://github.com/s2-streamstore/s2-sdk-python/compare/v0.11.0...v0.12.0) (2026-09-28)
+
+
+### ⚠ BREAKING CHANGES
+
+* use string storage classes and expose location offerings ([#139](https://github.com/s2-streamstore/s2-sdk-python/issues/139))
+
+### Features
+
+* use string storage classes and expose location offerings ([#139](https://github.com/s2-streamstore/s2-sdk-python/issues/139)) ([c2ff3f4](https://github.com/s2-streamstore/s2-sdk-python/commit/c2ff3f43b0252220d4a283aaba7dc234faad7a27))
+
+
+### Bug Fixes
+
+* preserve uncertainty across append retries ([#137](https://github.com/s2-streamstore/s2-sdk-python/issues/137)) ([bf927e9](https://github.com/s2-streamstore/s2-sdk-python/commit/bf927e9f3e799f8448b8a3d5017611a3ef1c3b91))
+
 ## [0.11.0](https://github.com/s2-streamstore/s2-sdk-python/compare/v0.10.0...v0.11.0) (2026-09-17)
 
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 49901b9..80a6c2c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -10,7 +10,7 @@
 
 project = "s2-sdk"
 copyright = f"{date.today().year}, Bandar Systems Inc"
-release = "0.11.0"  # x-release-please-version
+release = "0.12.0"  # x-release-please-version
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/pyproject.toml b/pyproject.toml
index 58c78fe..5c536a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "s2-sdk"
-version = "0.11.0"
+version = "0.12.0"
 description = "Python SDK for s2.dev"
 readme = "README.md"
 license = "MIT"
diff --git a/src/s2_sdk/__init__.py b/src/s2_sdk/__init__.py
index 9baca65..deaee8c 100644
--- a/src/s2_sdk/__init__.py
+++ b/src/s2_sdk/__init__.py
@@ -5,7 +5,6 @@
 from s2_sdk._batching import append_inputs, append_record_batches
 from s2_sdk._exceptions import (
     AppendConditionError,
-    AppendIndefiniteFailureError,
     FencingTokenMismatchError,
     ReadUnwrittenError,
     S2ClientError,
@@ -132,7 +131,6 @@
     "S2ClientError",
     "S2ServerError",
     "AppendConditionError",
-    "AppendIndefiniteFailureError",
     "FencingTokenMismatchError",
     "SeqNumMismatchError",
     "ReadUnwrittenError",
diff --git a/uv.lock b/uv.lock
index d52ef5e..13f7bf9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1176,7 +1176,7 @@ wheels = [
 
 [[package]]
 name = "s2-sdk"
-version = "0.11.0"
+version = "0.12.0"
 source = { editable = "." }
 dependencies = [
     { name = "h2" },