Version 1.13.1
Live Radio Spectrum Analyzer
Added a real-time Web Audio spectrum analyzer to the SPM radio player.
Release Highlights
Live Web Audio spectrum visualization
Live Web Audio spectrum visualization
Band colors and Visuals toggle
Band colors and Visuals toggle
Reduced-motion and rapid station-switching support
Reduced-motion and rapid station-switching support
Visualization
A Web Audio Analyzer With Frequency-Band
Added a Web Audio analyzer with frequency-band color treatment.
Added a Visuals toggle and reduced-motion behavior
Added a Visuals toggle and reduced-motion behavior.
Player Reliability
Rapid Station Switching And Radio Finder
Handled rapid station switching and Radio Finder pause behavior.
Corrected the appendChild integration defect
Corrected the appendChild integration defect.
Release Record
Release scope: Added a real-time Web Audio spectrum analyzer to the SPM radio player.
Candidate version: SPM 1.13.1 was selected to reflect the approved scope and its place in the platform sequence.
Milestone date: The completed work is recorded against September 19, 2026 without rewriting the dates of earlier releases.
Production Testing
Desktop and mobile testing passed
Desktop and mobile testing passed.
Theme and Component Compatibility
Light And Dark Themes Use The
Light and Dark themes use the approved SPM color system and preserve readable contrast.
Desktop And Mobile Layouts Retain The
Desktop and mobile layouts retain the responsive release structure and navigation.
Universal Navigation, Control Center, Sharing, Back
Universal navigation, Control Center, sharing, Back to Top and footer components remain part of the page foundation.
Known Limitations
No release-specific limitations were recorded at publication
No release-specific limitations were recorded at publication.