release: 4.20.1

[runwayml-machine-account]

Automated Release PR

4.20.1

Features

• Add GPT Image 2.5 Flare and Sunburst, including background, quality, output count, and tagged reference-image options.
• Add frame-rate enhancement with selectable target frame rates.

Improvements

• Expose workflow node failure codes and document how to detect partial workflow runs.
• Represent unlimited organization model limits as null.
• Include AWS Marketplace subscription-linking events and additional audit-log metadata.
• Clarify HDR alpha-channel and ACEScg delivery behavior.

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This PR was generated with Release Please.

[upwind-code-us]

Upwind Code Scan - ✅ Passed

0 newly introduced vulnerabilities · 0 resolved · 0 total in this PR vs main

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Scan completed in 12s

Scan history (2 scans)

Commit	Scanned at	New	Resolved	Net
67cf3ad	2026-09-23 20:35 UTC	0	0	0
befd905 <	2026-09-23 20:45 UTC	0	0	0

Last scanned: befd905 · 2026-09-23 20:45 UTC

[upwind-code-us]

Upwind IaC Scan - ✅ Passed

0 newly introduced misconfigurations · 0 resolved · 0 total in this PR vs main

View full analysis in Upwind Console →

Scan completed in 2s

Scan history (2 scans)

Commit	Scanned at	New	Resolved	Net
67cf3ad	2026-09-23 20:35 UTC	0	0	0
befd905 <	2026-09-23 20:45 UTC	0	0	0

Last scanned: befd905 · 2026-09-23 20:45 UTC

[runwayml-machine-account]

🤖 Created releases:

• v4.20.1

🌻