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docs: release 1.33

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Signed-off-by: Vincenzo Scamporlino <vincenzos@spotify.com>
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2024-11-19 13:03:37 +01:00
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---
id: v1.33.0
title: v1.33.0
description: Backstage Release v1.33.0
---
These are the release notes for the v1.33.0 release of [Backstage](https://backstage.io/).
A huge thanks to the whole team of maintainers and contributors as well as the amazing Backstage Community for the hard work in getting this release developed and done.
## Highlights
### Catalog performance improvements and breadcrumbs
Some database improvements and fixes have been made to the catalog. The `refresh_state` table is no longer needed in the read path, and some indices have been dropped. We don't expect this to have any negative impact on end users; rather, performance should increase due to reduced index churn and less used storage.
Entity pages now also by default have a breadcrumb control in the page header, showing the context of the current entity such as what system and domain it’s in, if any.
### App backend config injection with read-only filesystem
The `app-backend` now stores the templated `index.html` file in memory rather than writing it to disk. This means you no longer need to use the `app.disableConfigInjection` flag when running with a read-only filesystem, allowing you to take advantage of the config injection.
### **BREAKING**: `LEGACY_BACKEND_START` has been removed
The CLI no longer supports the `LEGACY_BACKEND_START` flag, which means that old dev endpoints in `src/run.ts` have to be migrated to the new `dev/index.ts` structure instead.
### Scaffolder now supports Node.js v22
The `isolated-vm` dependency has been upgraded to `v5`, which means the scaffolder now supports Node.js v22. It also means that running Scaffolder with Node.js v16 is no longer possible.
### Scaffolder permissions and actions
A new `scaffolder.template.management` permission has been added. This permission is useful if you want to limit access to the frontend template management features. Contributed by [@stephenglass](https://github.com/stephenglass) in [#26946](https://github.com/backstage/backstage/pull/26946)
A new `fs:readdir` action has been added. This action is useful if you need to retrieve the contents of a specific directory within a workspace. Contributed by [@secustor](https://github.com/secustor) in [#27283](https://github.com/backstage/backstage/pull/27283)
### Catalog service ref for backends
The `@backstage/plugin-catalog-node` package now has a `catalogServiceRef` that backends should move to depending on for their catalog communication needs. If you are currently instantiating a `CatalogService` by hand, you will enjoy using this new service instead. The most important improvement is that it supports a credentials argument directly which gives it support for proper auth toward the catalog without having to make tokens with the `auth` core service.
### New generate-patch cli command
We have added a new `generate-patch` CLI command that can be used to generate patches for current changes in a source workspace, which can then be installed in a target workspace. This allows you to easily and immediately use changes that have been contributed upstream, without needing to wait for a release.
[#27331](https://github.com/backstage/backstage/pull/27331)
### Google LDAP support
Added support for Google LDAP to `@backstage/plugin-catalog-backend-module-ldap`. Contributed by [@megatroom](https://github.com/megatroom) in [#27373](https://github.com/backstage/backstage/pull/27373)
### **BREAKING** AWS ALB authentication
The AWS ALB `fullProfile` will no longer have its username or email converted to lowercase. This is to ensure unique handling of the users. You may need to update and configure a custom sign-in resolver or profile transform as a result via `@backstage/plugin-auth-backend-module-aws-alb-provider`.
## Security Fixes
The kubernetes plugin received a bump of the `@kubernetes/client-node` dependency to mitigate CVEs related to the `request` and `tough-cookie` packages. Contributed by [@coreydaley](https://github.com/coreydaley) in [#25385](https://github.com/backstage/backstage/pull/25385)
## Upgrade path
We recommend that you keep your Backstage project up to date with this latest release. For more guidance on how to upgrade, check out the documentation for [keeping Backstage updated](https://backstage.io/docs/getting-started/keeping-backstage-updated).
## Links and References
Below you can find a list of links and references to help you learn about and start using this new release.
- [Backstage official website](https://backstage.io/), [documentation](https://backstage.io/docs/), and [getting started guide](https://backstage.io/docs/getting-started/)
- [GitHub repository](https://github.com/backstage/backstage)
- Backstage's [versioning and support policy](https://backstage.io/docs/overview/versioning-policy)
- [Community Discord](https://discord.gg/backstage-687207715902193673) for discussions and support
- [Changelog](https://github.com/backstage/backstage/tree/master/docs/releases/v1.33.0-changelog.md)
- Backstage [Demos](https://backstage.io/demos), [Blog](https://backstage.io/blog), [Roadmap](https://backstage.io/docs/overview/roadmap) and [Plugins](https://backstage.io/plugins)
Sign up for our [newsletter](https://info.backstage.spotify.com/newsletter_subscribe) if you want to be informed about what is happening in the world of Backstage.