chore: release v7.9.0

[andehen]

Summary

• Bump version to 7.9.0
• Update CHANGELOG.md

Changes in this release

• feat: Support device_id as bucketing identifier for local evaluation (feat: Support device_id as bucketing identifier for local evaluation #424)
• test: Make wrong-key load_feature_flags deterministic (test(flags): make wrong-key load_feature_flags deterministic #432)

[github-actions]

posthog-python Compliance Report

Date: 2026-02-17 08:15:42 UTC
Duration: 159354ms

✅ All Tests Passed!

29/29 tests passed

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Capture Tests

✅ 29/29 tests passed

View Details

Test	Status	Duration
Format Validation.Event Has Required Fields	✅	515ms
Format Validation.Event Has Uuid	✅	1506ms
Format Validation.Event Has Lib Properties	✅	1507ms
Format Validation.Distinct Id Is String	✅	1507ms
Format Validation.Token Is Present	✅	1507ms
Format Validation.Custom Properties Preserved	✅	1506ms
Format Validation.Event Has Timestamp	✅	1506ms
Retry Behavior.Retries On 503	✅	9515ms
Retry Behavior.Does Not Retry On 400	✅	3510ms
Retry Behavior.Does Not Retry On 401	✅	3507ms
Retry Behavior.Respects Retry After Header	✅	9514ms
Retry Behavior.Implements Backoff	✅	23523ms
Retry Behavior.Retries On 500	✅	7509ms
Retry Behavior.Retries On 502	✅	7506ms
Retry Behavior.Retries On 504	✅	7517ms
Retry Behavior.Max Retries Respected	✅	23518ms
Deduplication.Generates Unique Uuids	✅	1505ms
Deduplication.Preserves Uuid On Retry	✅	7515ms
Deduplication.Preserves Uuid And Timestamp On Retry	✅	14513ms
Deduplication.Preserves Uuid And Timestamp On Batch Retry	✅	7511ms
Deduplication.No Duplicate Events In Batch	✅	1507ms
Deduplication.Different Events Have Different Uuids	✅	1507ms
Compression.Sends Gzip When Enabled	✅	1508ms
Batch Format.Uses Proper Batch Structure	✅	1507ms
Batch Format.Flush With No Events Sends Nothing	✅	1004ms
Batch Format.Multiple Events Batched Together	✅	1506ms
Error Handling.Does Not Retry On 403	✅	3508ms
Error Handling.Does Not Retry On 413	✅	3507ms
Error Handling.Retries On 408	✅	7514ms