v0.8.8 v0.8.9
Gentleman-Programming/engramSep 26, 2026 → Sep 26, 20260 days between releases
What's New
Fixes synthesis failures for specific languages and introduces preset profiles; pins CPU native to 0.4.1.
Breaking Changes
- Floating-point evaluation order changes, so seeded audio may differ between versions.
New Features
- Introduces `--preset windows-3900x` for optimized performance.
- Restores 80 ms browser buffer for CPU and GPU.
- Resolves streaming playback gaps in Voice Studio.
Improvements
- Pins CPU native to 0.4.1 for stability.
- Reduces mean RTF by ~6.4% on Ryzen 3900X.
- Improves streaming playback reliability.
Bug Fixes
- Fixes standalone synthesis failures for language codes like `de` and `en`.
- Resolves artificial rebuffering at contiguous audio boundaries.
Upgrade Notes
Update the CPU native dependency to 0.4.1. Be aware that floating-point evaluation order changes may cause seeded audio to differ. Use the new `--preset windows-3900x` flag for optimized performance.
The Two Releases
RealtimeTTS 0.8.8
Sep 26, 2026· 25 days ago
Adds optional Qwen CPU decoder overlap to improve performance and reduce latency. Fixes installation and shutdown issues, and updates dependency selections for Macs.
Full release notesRealtimeTTS 0.8.9
Sep 26, 2026· 25 days ago
Fixes standalone synthesis failures for specific language codes and resolves streaming playback gaps in Voice Studio. Introduces preset profiles and pins the CPU native version.
Full release notes