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What does this PR do? What is the motivation?

This is documentation for Python integration with OpenFeature which is supported since ddtrace-3.19.0

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@dd-oleksii dd-oleksii requested a review from a team as a code owner December 9, 2025 16:58
@dd-oleksii dd-oleksii force-pushed the oleksii/featureflags-python branch from 71fe69b to 2359937 Compare December 9, 2025 17:06
@joepeeples
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joepeeples commented Dec 9, 2025

Opened DOCS-12872 to follow up with editorial review.

@joepeeples joepeeples self-assigned this Dec 9, 2025
@joepeeples joepeeples added the editorial review Waiting on a more in-depth review label Dec 9, 2025
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github-actions bot commented Dec 9, 2025

Preview links (active after the build_preview check completes)

Modified Files


Before setting up the Python Feature Flags SDK, ensure you have:

- **Datadog Agent** with [Remote Configuration][2] enabled
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Good idea; I removed the min version from mine too

export DD_EXPERIMENTAL_FLAGGING_PROVIDER_ENABLED=true
{{< /code-block >}}

### Remote Configuration not working
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be more specific; what is not working

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Good callout. I actually don't know how this would manifest. Provider never initializing? Perhaps this can be a common section for all SDKs

### Remote Configuration not working

Verify that:
1. Your Datadog Agent is version 7.55 or later
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version ❌

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I know this one is high. The reasoning here is that this is the version we're sure works with feature flags. So in case of any issues, we're suggesting to upgrade to latest

@leoromanovsky leoromanovsky merged commit fdf15c0 into lr/server-sdk-overview-docs Dec 17, 2025
24 checks passed
@leoromanovsky leoromanovsky deleted the oleksii/featureflags-python branch December 17, 2025 00:01
leoromanovsky added a commit that referenced this pull request Dec 17, 2025
* add ffe server sdk landing page and stubs for each language

* add to sidebar

* poll

* simpler setup

* rebuild nav structure

also:
- rename `setup` to `client`
- update links, other URL references

* add tile layout for server landing page

+ also renames the tile partial in the client page for consistency

* add go docs for openfeature implementation (#33234)

* add go docs for openfeature implementation

* add docs for blocking init, custom timeout, non blocking

* no agent version

* Documentation for dd-trace with feature flagging support (#33165)

* Documentation for dd-trace with feature flagging support

* Update content/en/feature_flags/setup/nodejs.md

Co-authored-by: Leo Romanovsky <[email protected]>

---------

Co-authored-by: Leo Romanovsky <[email protected]>

* Add Ruby feature flags documentation (#33233)

* Add Ruby feature flags server documentation

- Port content from setup/ruby.md to server/ruby.md
- Maintain all Vale linting fixes from previous commits
- Include prerequisites, installation, usage examples, and troubleshooting
- Support for boolean, string, number, object flags and evaluation context

* Update content/en/feature_flags/server/ruby.md

Co-authored-by: Leo Romanovsky <[email protected]>

---------

Co-authored-by: Leo Romanovsky <[email protected]>

* Add python documentation for OpenFeature implementation (#33247)

* consolidate duplicate files

Files were in two different paths (older `setup` path and newer `server` path)

* Add Java Feature Flags Setup Documentation (#33194)

* Add Java Feature Flags setup documentation

- Add comprehensive Java SDK onboarding guide
- Include installation instructions for Maven and Gradle
- Document OpenFeature provider initialization and usage
- Add code examples for all flag types (boolean, string, int, double, object)
- Document error handling and common error codes
- Include best practices and troubleshooting guide
- Add Java to feature flags setup page navigation
- Document integration with Datadog APM and exposure tracking

Related: FFE Server SDK code freeze preparation

* fix(docs): Add missing bootstrap JAR and improve Java Feature Flags documentation

Critical fixes:
- Add missing dd-java-agent-feature-flagging-bootstrap dependency to all examples
- Add Building from Source section with detailed instructions
- Explain bootstrap module purpose (classloader communication)
- Add troubleshooting for ClassNotFoundException

Improvements to match Java APM documentation patterns:
- Add application server configuration tabs (Spring Boot, Tomcat, JBoss, Jetty, Docker)
- Update all code examples to use SLF4J logger instead of System.out/err
- Add Compatibility requirements section
- Add Getting started section
- Update initialization example to show complete application structure

Code quality:
- Use logger.info/warn/error throughout with parameterized messages
- Show proper exception handling with logger
- Match actual implementation in ffe-dogfooding repo
- Include named client usage ("my-app")

The documentation now accurately reflects the required dependencies,
follows established Datadog docs patterns, and provides complete
setup instructions for the development build.

* docs(java): Improve documentation based on review feedback

Changes:
- Add cross-linking to Configuration section from early warning
- Add OpenFeature SDK to compatibility requirements (it is required)
- Remove all local build instructions (only reference published X.X.X versions)
- Add skip guidance for users with existing agent/remote-config setup
- Clarify ProviderNotReadyError is OpenFeature exception (optional handling)
- Update exception handling to be optional based on availability requirements
- Note that not catching exception may prevent application startup

Improvements:
- Users with existing APM can skip to provider initialization
- Users with existing remote-config can skip agent configuration
- Clear guidance on when exception handling is optional vs required
- Removed all references to building from source

* docs(java): Add event state watching and clarify provider instance sharing

Changes:
- Add PROVIDER_ERROR and PROVIDER_STALE event listeners to async init example
- Note that PROVIDER_CONFIGURATION_CHANGED is optional (depends on provider support)
- Update multiple clients section: "organize context and flags" (not just flags)
- Clarify that Provider instance is shared globally (client names are organizational only)

The Provider constructor doesn't take a name parameter - it's a single shared instance.
Named clients are just for organizing your application code, not separate providers.

* docs(java): Align flag keys and attributes with mobile SDK conventions

Changes:
- Update all flag keys to use dot notation (matching Android/iOS):
  * new-checkout-flow -> checkout.new
  * ui-theme -> ui.theme
  * payment-api-endpoint -> payment.api.endpoint
  * max-retries -> retries.max
  * discount-rate -> pricing.discount.rate
  * feature-config -> ui.config
  * All other flags updated to dot notation

- Standardize attribute to use "tier" consistently (not "plan")

- Remove "country" attribute from basic example to match mobile simplicity

This creates consistency across all SDK documentation and makes it easier
for users to migrate between platforms or reference examples.

* fix tile image, add page to side nav

* headings: sentence-case capitalization

* style linter, general style edits

* Add Java Feature Flags setup documentation

- Add comprehensive Java SDK onboarding guide
- Include installation instructions for Maven and Gradle
- Document OpenFeature provider initialization and usage
- Add code examples for all flag types (boolean, string, int, double, object)
- Document error handling and common error codes
- Include best practices and troubleshooting guide
- Add Java to feature flags setup page navigation
- Document integration with Datadog APM and exposure tracking

Related: FFE Server SDK code freeze preparation

* fix(docs): Add missing bootstrap JAR and improve Java Feature Flags documentation

Critical fixes:
- Add missing dd-java-agent-feature-flagging-bootstrap dependency to all examples
- Add Building from Source section with detailed instructions
- Explain bootstrap module purpose (classloader communication)
- Add troubleshooting for ClassNotFoundException

Improvements to match Java APM documentation patterns:
- Add application server configuration tabs (Spring Boot, Tomcat, JBoss, Jetty, Docker)
- Update all code examples to use SLF4J logger instead of System.out/err
- Add Compatibility requirements section
- Add Getting started section
- Update initialization example to show complete application structure

Code quality:
- Use logger.info/warn/error throughout with parameterized messages
- Show proper exception handling with logger
- Match actual implementation in ffe-dogfooding repo
- Include named client usage ("my-app")

The documentation now accurately reflects the required dependencies,
follows established Datadog docs patterns, and provides complete
setup instructions for the development build.

* docs(java): Improve documentation based on review feedback

Changes:
- Add cross-linking to Configuration section from early warning
- Add OpenFeature SDK to compatibility requirements (it is required)
- Remove all local build instructions (only reference published X.X.X versions)
- Add skip guidance for users with existing agent/remote-config setup
- Clarify ProviderNotReadyError is OpenFeature exception (optional handling)
- Update exception handling to be optional based on availability requirements
- Note that not catching exception may prevent application startup

Improvements:
- Users with existing APM can skip to provider initialization
- Users with existing remote-config can skip agent configuration
- Clear guidance on when exception handling is optional vs required
- Removed all references to building from source

* docs(java): Add event state watching and clarify provider instance sharing

Changes:
- Add PROVIDER_ERROR and PROVIDER_STALE event listeners to async init example
- Note that PROVIDER_CONFIGURATION_CHANGED is optional (depends on provider support)
- Update multiple clients section: "organize context and flags" (not just flags)
- Clarify that Provider instance is shared globally (client names are organizational only)

The Provider constructor doesn't take a name parameter - it's a single shared instance.
Named clients are just for organizing your application code, not separate providers.

* docs(java): Align flag keys and attributes with mobile SDK conventions

Changes:
- Update all flag keys to use dot notation (matching Android/iOS):
  * new-checkout-flow -> checkout.new
  * ui-theme -> ui.theme
  * payment-api-endpoint -> payment.api.endpoint
  * max-retries -> retries.max
  * discount-rate -> pricing.discount.rate
  * feature-config -> ui.config
  * All other flags updated to dot notation

- Standardize attribute to use "tier" consistently (not "plan")

- Remove "country" attribute from basic example to match mobile simplicity

This creates consistency across all SDK documentation and makes it easier
for users to migrate between platforms or reference examples.

* docs(java): Move Java Feature Flags docs to server/ directory

- Move java.md from feature_flags/setup/ to feature_flags/setup/server/
- Update frontmatter to reference server-side landing page
- Apply style edits from linter (sentence-case headings, consistent capitalization)

* extra dev info

* various style edits

* section collapsing

* better sections

* reduce expanders

---------

Co-authored-by: Joe Peeples <[email protected]>

* remove Java from client-side tile partial

* Python review edits

also applied to other languages with the same text

* Ruby review edits

and other languages with same text

* Go review edits

and other languages with same text

* Node.js review edits

+ other languages

* clean up links

---------

Co-authored-by: Joe Peeples <[email protected]>
Co-authored-by: Greg Huels <[email protected]>
Co-authored-by: Sameeran Kunche <[email protected]>
Co-authored-by: Oleksii Shmalko <[email protected]>
Co-authored-by: Tyler Potter <[email protected]>
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