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GCT v4.5.3 - Gemini API Future-Proofing & Upcoming-Model Readiness

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@tomkam1702 tomkam1702 released this 08 Oct 14:29
· 1 commit to main since this release
v4.5.3
b490751

Release Date: 8 October 2026

Version 4.5.3 is a compatibility and reliability release. It aligns Game-Changing Translator with Google's Gemini API parameter deprecation so that translation and OCR keep working flawlessly as Google rolls out its next-generation models, and it corrects the Gemini SDK dependency used by fresh installations.

What's New in Version 4.5.3

Future-Proof Gemini Compatibility (Google Parameter Deprecation)

  • Removed the deprecated thinking_budget parameter: Gemini 3.x requests now use only thinking_level (minimal for 3.1 / 3.5 / 3.6, low for 3.7 / 3.8), matching Google's supported controls. This prevents the 400 INVALID_ARGUMENT error that upcoming Gemini models will return when thinking_budget is set.
  • Removed the deprecated sampling parameters (temperature, top_p, top_k): these fields are no longer sent in any Gemini translation or OCR request. Since Gemini 3.6 they already had no effect on output, and Google will soon reject requests that still include them.
  • Leaner default configuration: the generic fallback configuration now sends neither sampling nor thinking parameters and relies on each model's optimal defaults.

Corrected Gemini SDK Declaration

  • requirements.txt and setup.py now declare the SDK actually used by the application — google-genai — instead of the unused legacy google-generativeai. Fresh installations (including install_dependencies.bat) now install the correct library, so Gemini OCR and translation work out of the box.

Note: This is a backend compatibility and reliability release. There are no changes to the user interface or workflow — all model selections, language options and neural voice-over features are unchanged.

📥 Downloads & Requirements

  • 🪄 Full Installer (with TTS models): GameChangingTranslator_v4.5.3_Full.exe (~427 MB)
  • ⚡ Lite Installer (without TTS models - for existing users): GameChangingTranslator_v4.5.3_Lite.exe (~73 MB)
  • 💻 System Requirements:
    • Windows 10 / 11 (64-bit)
    • Processor with AVX2 support (standard on CPUs from 2016 onwards)
    • 16 GB RAM recommended for offline Neural Voice-Over
    • Valid API key from Google (AI Studio) or DeepInfra
    • No dedicated GPU/CUDA required

📖 Resources

Game-Changing Translator v4.5.3 – Next-generation real-time AI screen translation & neural voice-over.

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