chore: Release v0.53.0 (#3372)

Prepare MeltanoSDK `v0.53.0` for release.

Checklist:

- [x] Check that the right version is set in all the files.
- [x] Groom the changelog for wording or missing entries.
- [x] Merge this PR once everything looks good.

[Release
Draft](https://github.com/meltano/sdk/releases/tag/untagged-ad990b8cfa565da5fb14)

## Summary by Sourcery

Prepare and release version 0.53.0 by updating the changelog and
synchronizing version references throughout the project

Documentation:
- Add changelog entry for v0.53.0 release

Chores:
- Bump SDK version to v0.53.0 across cookiecutter templates, issue
template, documentation, and project configuration

Co-authored-by: edgarrmondragon <16805946+edgarrmondragon@users.noreply.github.com>

Author: MeltyBot

.github/ISSUE_TEMPLATE/bug.yml

@@ -15,7 +15,7 @@ body:
     attributes:
       label: Singer SDK Version
       description: Version of the library you are using
-      placeholder: "0.52.5"
+      placeholder: "0.53.0"
     validations:
       required: true
   - type: checkboxes

CHANGELOG.md

@@ -5,6 +5,40 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## v0.53.0 (2025-11-18)
+
+### ✨ New
+
+- [#3369](https://github.com/meltano/sdk/issues/3369) In OpenAPI schema normalization, treat all fields as `nullable` unless they are part of a primary key
+- [#3058](https://github.com/meltano/sdk/issues/3058) Queue parent contexts and sync child streams only when the queue is full
+- [#3364](https://github.com/meltano/sdk/issues/3364) Normalize `allOf` components in OpenAPI spec schemas
+- [#3363](https://github.com/meltano/sdk/issues/3363) Add `flattening_max_key_length` configuration option
+- [#3359](https://github.com/meltano/sdk/issues/3359) Log response header names when backing off requests
+- [#3348](https://github.com/meltano/sdk/issues/3348) Automatic normalization of OpenAPI schema features
+- [#3329](https://github.com/meltano/sdk/issues/3329) Add new IDN/IRI JSON Schema types
+
+### 🐛 Fixes
+
+- [#3368](https://github.com/meltano/sdk/issues/3368) Migrate from `backoff` to `python-backoff`
+- [#3367](https://github.com/meltano/sdk/issues/3367) Remove `branches` condition from pull request workflow trigger
+- [#3340](https://github.com/meltano/sdk/issues/3340) Track table preparation to prevent data loss on schema changes
+- [#3357](https://github.com/meltano/sdk/issues/3357) Update dependencies and `meltano.yml` in templates, use `SchemaDirectory`
+- [#3354](https://github.com/meltano/sdk/issues/3354) Fix class docstrings in tap, target and mapper templates
+- [#3352](https://github.com/meltano/sdk/issues/3352) Update templates
+
+### ⚙️ Under the Hood
+
+- [#3355](https://github.com/meltano/sdk/issues/3355) Make the deprecation warning in `singer_sdk.sinks.sql` more specific
+
+### 📚 Documentation Improvements
+
+- [#3362](https://github.com/meltano/sdk/issues/3362) Move SQL tap, target and stream docs to reflect their location in the package
+- [#3358](https://github.com/meltano/sdk/issues/3358) Fix code examples in SQL target guide
+
+### 📦 Packaging changes
+
+- [#3360](https://github.com/meltano/sdk/issues/3360) Require Pytest 9+
+
 ## v0.52.5 (2025-10-30)
 
 ### 🐛 Fixes

cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/pyproject.toml

@@ -32,9 +32,9 @@ license-files = [ "LICENSE" ]
 requires-python = ">=3.10"
 dependencies = [
     {%- if cookiecutter.faker_extra %}
-    "singer-sdk[faker]~=0.52.5",
+    "singer-sdk[faker]~=0.53.0",
     {%- else %}
-    "singer-sdk~=0.52.5",
+    "singer-sdk~=0.53.0",
     {%- endif %}
     "typing-extensions>=4.5.0; python_version < '3.13'",
 ]

cookiecutter/tap-template/{{cookiecutter.tap_id}}/pyproject.toml

@@ -35,9 +35,9 @@ license-files = [ "LICENSE" ]
 requires-python = ">=3.10"
 dependencies = [
     {%- if extras %}
-    "singer-sdk[{{ extras|join(',') }}]~=0.52.5",
+    "singer-sdk[{{ extras|join(',') }}]~=0.53.0",
     {%- else %}
-    "singer-sdk~=0.52.5",
+    "singer-sdk~=0.53.0",
     {%- endif %}
     {%- if cookiecutter.stream_type in ["REST", "GraphQL"] %}
     "requests~=2.32.3",

cookiecutter/target-template/{{cookiecutter.target_id}}/pyproject.toml

@@ -31,9 +31,9 @@ license-files = [ "LICENSE" ]
 requires-python = ">=3.10"
 dependencies = [
     {%- if cookiecutter.faker_extra %}
-    "singer-sdk[faker]~=0.52.5",
+    "singer-sdk[faker]~=0.53.0",
     {%- else %}
-    "singer-sdk~=0.52.5",
+    "singer-sdk~=0.53.0",
     {%- endif %}
     {%- if cookiecutter.serialization_method == "SQL" %}
     "sqlalchemy~=2.0",

docs/conf.py

@@ -29,7 +29,7 @@
 author = "Meltano Core Team and Contributors"
 
 # The full version, including alpha/beta/rc tags
-release = "0.52.5"
+release = "0.53.0"
 
 
 # -- General configuration -------------------------------------------------------------

pyproject.toml

@@ -214,7 +214,7 @@ xfail_strict = false
 
 [tool.commitizen]
 name = "cz_version_bump"
-version = "0.52.5"
+version = "0.53.0"
 changelog_merge_prerelease = true
 prerelease_offset = 1
 tag_format = "v$major.$minor.$patch$prerelease"