5211bb763f
[](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [sass](https://togithub.com/sass/dart-sass) | [`1.66.1` -> `1.68.0`](https://renovatebot.com/diffs/npm/sass/1.66.1/1.68.0) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>sass/dart-sass (sass)</summary> ### [`v1.68.0`](https://togithub.com/sass/dart-sass/blob/HEAD/CHANGELOG.md#1680) [Compare Source](https://togithub.com/sass/dart-sass/compare/1.67.0...1.68.0) - Fix the source spans associated with the `abs-percent` deprecation. ##### JS API - Non-filesystem importers can now set the `nonCanonicalScheme` field, which declares that one or more URL schemes (without `:`) will never be used for URLs returned by the `canonicalize()` method. - Add a `containingUrl` field to the `canonicalize()` and `findFileUrl()` methods of importers, which is set to the canonical URL of the stylesheet that contains the current load. For filesystem importers, this is always set; for other importers, it's set only if the current load has no URL scheme, or if its URL scheme is declared as non-canonical by the importer. ##### Dart API - Add `AsyncImporter.isNonCanonicalScheme`, which importers (async or sync) can use to indicate that a certain URL scheme will never be used for URLs returned by the `canonicalize()` method. - Add `AsyncImporter.containingUrl`, which is set during calls to the `canonicalize()` method to the canonical URL of the stylesheet that contains the current load. This is set only if the current load has no URL scheme, or if its URL scheme is declared as non-canonical by the importer. ##### Embedded Sass - The `CalculationValue.interpolation` field is deprecated and will be removed in a future version. It will no longer be set by the compiler, and if the host sets it it will be treated as equivalent to `CalculationValue.string` except that `"("` and `")"` will be added to the beginning and end of the string values. - Properly include TypeScript types in the `sass-embedded` package. ### [`v1.67.0`](https://togithub.com/sass/dart-sass/blob/HEAD/CHANGELOG.md#1670) [Compare Source](https://togithub.com/sass/dart-sass/compare/1.66.1...1.67.0) - All functions defined in CSS Values and Units 4 are now once again parsed as calculation objects: `round()`, `mod()`, `rem()`, `sin()`, `cos()`, `tan()`, `asin()`, `acos()`, `atan()`, `atan2()`, `pow()`, `sqrt()`, `hypot()`, `log()`, `exp()`, `abs()`, and `sign()`. Unlike in 1.65.0, function calls are *not* locked into being parsed as calculations or plain Sass functions at parse-time. This means that user-defined functions will take precedence over CSS calculations of the same name. Although the function names `calc()` and `clamp()` are still forbidden, users may continue to freely define functions whose names overlap with other CSS calculations (including `abs()`, `min()`, `max()`, and `round()` whose names overlap with global Sass functions). - **Breaking change**: As a consequence of the change in calculation parsing described above, calculation functions containing interpolation are now parsed more strictly than before. However, *almost* all interpolations that would have produced valid CSS will continue to work. The only exception is `#{$variable}%` which is not valid in Sass and is no longer valid in calculations. Instead of this, either use `$variable` directly and ensure it already has the `%` unit, or write `($variable * 1%)`. - **Potentially breaking bug fix**: The importer used to load a given file is no longer used to load absolute URLs that appear in that file. This was unintented behavior that contradicted the Sass specification. Absolute URLs will now correctly be loaded only from the global importer list. This applies to the modern JS API, the Dart API, and the embedded protocol. ##### Embedded Sass - Substantially improve the embedded compiler's performance when compiling many files or files that require many importer or function call round-trips with the embedded host. </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Enabled. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/Unleash/unleash). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4wLjMiLCJ1cGRhdGVkSW5WZXIiOiIzNy4wLjMiLCJ0YXJnZXRCcmFuY2giOiJtYWluIn0=--> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> |
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About Unleash
Unleash is an open source feature management solution. It improves the workflow of your development team and leads to quicker software delivery. Unleash increases efficiency and gives teams full control of how and when they enable new functionality for end users. Unleash lets teams ship code to production in smaller releases whenever they want.
Feature flags make it easy to test how your code works with real production data without the fear that you'll accidentally break your users' experience. It also helps your team work on multiple features in parallel without each maintaining a separate feature branch.
Unleash is the largest open source solution for feature flagging on GitHub. There are 12 official client and server SDKs and 10+ community SDKs available; you can even make your own if you want to. You can use Unleash with any language and any framework.
Get started in 2 steps
1. Start Unleash
With git and docker installed, it's easy to get started:
Run this script:
git clone git@github.com:Unleash/unleash.git
cd unleash
docker compose up -d
Then point your browser to localhost:4242 and log in using:
- username:
admin - password:
unleash4all
If you'd rather run the source code in this repo directly via Node.js, see the step-by-step instructions to get up and running in the contributing guide.
2. Connect your SDK
Find your preferred SDK in our list of official SDKs and import it into your project. Follow the setup guides for your specific SDK.
If you use the docker compose file from the previous step, here's the configuration details you'll need to get going:
- For front-end SDKs, use:
- URL:
http://localhost:4242/api/frontend/ clientKey:default:development.unleash-insecure-frontend-api-token
- URL:
- For server-side SDKs, use:
- Unleash API URL:
http://localhost:4242/api/ - API token:
default:development.unleash-insecure-api-token
- Unleash API URL:
If you use a different setup, your configuration details will most likely also be different.
Check a feature toggle
Checking the state of a feature toggle in your code is easy! The syntax will vary depending on your language, but all you need is a simple function call to check whether a toggle is available. Here's how it might look in Java:
if (unleash.isEnabled("AwesomeFeature")) {
// do new, flashy thing
} else {
// do old, boring stuff
}
Run Unleash on a service?
If you don't want to run Unleash locally, we also provide easy deployment setups for Heroku and Digital Ocean:
Configure and run Unleash anywhere
The above sections show you how to get up and running quickly and easily. When you're ready to start configuring and customizing Unleash for your own environment, check out the documentation for getting started with self-managed deployments, Unleash configuration options, or running Unleash locally via docker.
Online demo
Try out the Unleash online demo.
Community and help — sharing is caring
We know that learning a new tool can be hard and time-consuming. We have a growing community that loves to help out. Please don't hesitate to reach out for help.
💬 Join Unleash on Slack if you want ask open questions about Unleash, feature toggling or discuss these topics in general.
💻 Create a GitHub issue if you have found a bug or have ideas on how to improve Unleash.
📚 Visit the documentation for more in-depth descriptions, how-to guides, and more.
📖 Learn more about the principles of building and scaling feature flag solutions.
Contribute to Unleash
Unleash is the largest open source feature flag solution on GitHub. Building Unleash is a collaborative effort, and we owe a lot of gratitude to many smart and talented individuals. Building it together with the community ensures that we build a product that solves real problems for real people. We'd love to have your help too: Please feel free to open issues or provide pull requests.
Check out the CONTRIBUTING.md file for contribution guidelines and the Unleash developer guide for tips on environment setup, running the tests, and running Unleash from source.
Contributors
Features our users love
Flexibility and adaptability
- Get an easy overview of all feature toggles across all your environments, applications and services
- Use included activation strategies for most common use cases, or use a custom activation strategy to support any need you might have
- Organise feature toggles by feature toggle tags
- Canary releases / gradual rollouts
- Targeted releases: release features to specific users, IPs, or hostnames
- Kill switches
- A/B testing
- 2 environments
- Out-of-the-box integrations with popular tools (Slack, Microsoft Teams, Datadog) + integrate with anything with webhooks
- Dashboard for managing technical debt and stale toggles
- API-first: everything can be automated. No exceptions.
- 12 official client SDKs, and ten community-contributed client SDKs
- Run it via Docker with the official Docker image or as a pure Node.js application
Security and performance
- Privacy by design (GDPR and Schrems II). End-user data never leaves your application.
- Audit logs
- Enforce OWASP's secure headers via the strict HTTPS-only mode
- Flexible hosting options: host it on premise or in the cloud (any cloud)
- Scale the Unleash Proxy independently of the Unleash server to support any number of front-end clients without overloading your Unleash instance
Looking for more features?
If you're looking for one of the following features, please take a look at our Pro and Enterprise plans:
- role-based access control (RBAC)
- single sign-on (SSO)
- more environments
- feature toggles project support
- advanced segmentation
- additional strategy constraints
- tighter security
- more hosting options (we can even host it for you!)
Architecture
Read more in the system overview section of the Unleash documentation.
Unleash SDKs
To connect your application to Unleash you'll need to use a client SDK for your programming language.
Official server-side SDKs:
Official front-end SDKs:
The front-end SDKs connects via the Unleash Proxy in order to ensure privacy, scalability and security.
- Android Proxy SDK
- Flutter Proxy SDK
- iOS Proxy SDK
- JavaScript Proxy SDK
- React Proxy SDK
- Svelte Proxy SDK
- Vue Proxy SDK
Community SDKs:
If none of the official SDKs fit your need, there's also a number of community-developed SDKs where you might find an implementation for your preferred language (such as Elixir, Dart, Clojure, and more).
Users of Unleash
Unleash is trusted by thousands of companies all over the world.
Proud Open-Source users: (send us a message if you want to add your logo here)
Migration guides
Unleash has evolved significantly over the past few years, and we know how hard it can be to keep software up to date. If you're using the current major version, upgrading shouldn't be an issue. If you're on a previous major version, check out the Unleash migration guide!
Want to know more about Unleash?
Videos and podcasts
- The Unleash YouTube channel
- Feature toggles — Why and how to add to your software — freeCodeCamp (YouTube)
- Feature flags with Unleash — The Code Kitchen (podcast)
- Feature Flags og Unleash med Fredrik Oseberg — Utviklerpodden (podcast; Norwegian)
Articles and more
- The Unleash Blog
- Designing the Rust Unleash API client — Medium
- FeatureToggle by Martin Fowler
- Feature toggling transient errors in load tests — nrkbeta
- An Interview with Ivar of Unleash — Console
- Unleash your features gradually, slideshow/presentation by Ivar, the creator of Unleash