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Updates to Roadmap for before BazelCon 2022
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Change-Id: I57220b0c733132e4bad624b2c8caab1e05ee5788
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Googler authored and copybara-github committed Nov 8, 2022
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Expand Up @@ -23,7 +23,6 @@ Q4 brings Bazel 6.0 — the new [long term support (LTS)](https://bazel.build/re
[Bzlmod](https://bazel.build/docs/bzlmod) automatically resolves transitive dependencies, allowing projects to scale while staying fast and resource-efficient. Introduced experimentally in Bazel 5.0, Bzlmod will be generally available and provide a solution for the [diamond dependency problem](https://docs.google.com/document/d/1moQfNcEIttsk6vYanNKIy3ZuK53hQUFq1b1r0rmsYVg/edit#heading=h.lgyp7ubwxmjc).

* Bzlmod goes from ‘experimental’ to ‘generally available’
* Includes support for `rules_jvm_external`, allowing users to download Maven dependencies for Java projects
* [Bzlmod Migration Guide](https://docs.google.com/document/d/1JtXIVnXyFZ4bmbiBCr5gsTH4-opZAFf5DMMb-54kES0/edit?usp=gmail) provides tools, scripts, and documentation to teams looking to adopt Bzlmod
* The [Bazel central repository](https://github.com/bazelbuild/bazel-central-registry) hosts core Bazel `BUILD` rules (`rules_jvm_external`, `rules_go`, `rules_python`, `rules_nodejs`) and key dependencies required for Bzlmod

Expand Down Expand Up @@ -68,15 +67,6 @@ Continue to invest in the Android app development experience, focusing on the wo
* Support for recent NDK versions
* Test code coverage

### OSS license compliance tools

Developers requested a robust license compliance checker to ensure the availability and security of included packages. This project provides a set of rules and tools to help identify and mitigate compliance and license risks associated with a given software component. Target features include:

* The ability to audit the packages used by a given target
* The ability to build organization specific license compliance checks.

See the in-progress [rules\_license implementation](https://github.com/bazelbuild/rules_license) on Github.

### Bzlmod: external dependency management system

At launch, Bzlmod improves the scalability and reliability of transitive dependencies. Over the next three years, Bzlmod aims to replace `WORKSPACE` as the default Bazel workspace dependency management subsystem. Targeted features include:
Expand All @@ -86,6 +76,12 @@ At launch, Bzlmod improves the scalability and reliability of transitive depende
* Bazel Central Registry includes regular community contribution and adoption of key Bazel rules & projects
* Bzlmod becomes the default tool for building Bazel projects

### Software Bill of Materials data generation (SBOMs) & OSS license compliance tools

With Bazel, developers can generate data to produce SBOMs. This data will be available in text or JSON format and can be easily formatted to meet [SPDX](https://spdx.dev/specifications/) or [CycloneDX](https://cyclonedx.org/specification/overview/) needs.

Additionally, the project also provides rules to declare the licenses that Bazel modules are available under, and tools to build processes around those declarations.See the in-progress [rules_license implementation](https://github.com/bazelbuild/rules_license) on GitHub.

### Signed builds

Bazel will provide trusted binaries for Windows and Mac signed with Google keys. This feature enables multi-platform developers/dev-ops to identify the source of Bazel binaries and protect their systems from malicious, unverified binaries.
Expand All @@ -94,16 +90,22 @@ Bazel will provide trusted binaries for Windows and Mac signed with Google keys.

The new Platforms API will standardize the architecture configuration for multi-language, multi-platform builds. With this feature, developers can reduce costly development-time errors and complexity in their large builds.

### Automated execution for dynamic builds

By improving resource utilization predictions, Bazel will optimize local and dynamic
execution of build actions, leading to faster builds and less overloaded developer machines.

### Build analysis metrics

Bazel telemetry will provide analysis-phase time metrics, letting developers optimize their own build performance.
Bazel will provide analysis-phase time metrics, letting developers optimize their own build performance.

### Remote execution with “Builds without the Bytes”

[Builds without the Bytes](https://github.com/bazelbuild/bazel/issues/6862) will optimize performance by only allowing Bazel to download needed artifacts, preventing builds from bottlenecking on network bandwidth. Features added for remote builds include:

* Use asynchronous download to let local and remote actions kick off as soon as they’ve downloaded their dependent outputs
* Add Symlinks support
* Retrieve intermediate outputs from remote actions once a build completes
- Use asynchronous download to let actions kick off as soon as they’ve downloaded their dependent outputs
- Add Symlinks support
- Add ways to support retrieving intermediate outputs from remote actions during a build
- Supports remote cache eviction between invocations

_\*Copyright © 2022 JetBrains s.r.o. JetBrains and IntelliJ are registered trademarks of JetBrains s.r.o._

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