Changelog

What's new in
LumiChats.

Every feature, improvement, and fix — documented from day one. We ship fast and believe in transparency about what we're building.

NewImprovedFixInfrastructure

Premium model roster updated — GPT-5.4, DeepSeek 3.2, Llama 4, Qwen 3.5, Grok 4.2 Beta

New

Five models added or upgraded in the Premium tier. GPT-5.2 replaced with GPT-5.4. Claude Sonnet 4.5 slot replaced with DeepSeek 3.2. Claude Haiku 4.5 slot replaced with Llama 4 (Meta). Two new models added: Qwen 3.5 (Alibaba) and Grok 4.2 Beta (xAI). Claude Sonnet 4.6 remains unchanged. All existing user sessions and API keys continue to work — no action needed.

Study content expansion — added from community requests

New

A large batch of new study content has been published across the platform, based directly on requests received via Instagram DMs and email from students. Coverage includes CBSE Class 11 subjects, GATE CSE/EC/ME/EE preparation guides, dissertation and research support for Indian university students, and additional AI tools guides for academic use. More content is being added on a rolling basis as requests come in.

Security hardening — session and token layer updates

Improved

Additional security hardening applied to the authentication and session layers. Token refresh logic tightened to prevent edge-case expiry issues on long sessions. Rate limiting updated on payment and auth endpoints. No user-facing changes.