Changelog

Msty Nexus Changelog

Release notes for Msty Nexus, newest first.

Advanced presets and seamless app updates#

2026-08-06Msty Nexus 0.4.1

Msty Nexus 0.4.1 expands preset controls for reasoning and caching, improves model handling, and makes Nexus easier to keep updated and available in the background.

Features

Added preset controls for thinking effort, reasoning display, Anthropic prompt caching, and advanced provider options, with compatibility warnings for unsupported settings.
Added in-app and system update notifications with downloads for the correct installer on each supported operating system.
Added close-to-tray behavior so Nexus remains available after its window is closed.

Improvements

Improved downloaded model handling so aliases such as a base model name and its :latest tag no longer appear as duplicate entries.
Improved Ollama embedding model loading reliability.
Hid Nexus MLX options on operating systems that do not support MLX.
Improved Smart Routes for mixed text and image workloads with endpoint-compatible model selection, dedicated image fallbacks, and clearer validation.

Fixes

Fixed running LM Studio and Msty Studio Local AI providers appearing as Setup instead of Live on the Overview page.

Gauge usage workspace, expanded gateway routes, and model health checks#

2026-07-27Msty Nexus 0.3.0

Features

Added Gauge as an opt-in AI usage and runway workspace.
Added image, speech, and rerank gateway routes.
Added model library health checks.
Added multipart transcription and image editing.
Added loaded model memory state visibility.
Added an auto-start option in settings.

Improvements

Added Always on Top to the app menu and window controls.
Hid models from Smart Route model pickers when they are hidden on the Models page.

Fixes

Fixed Msty Studio detection as local AI so it can be added correctly.
Fixed the tray icon not appearing when Nexus runs in the background.
Fixed custom OpenAI-compatible provider names not appearing in usage reports.
Fixed Nexus Dock UI issues.
Fixed rescanning so onboarding providers are not the only providers shown.
Fixed Llama.cpp model scanning so it no longer installs the default model automatically.
Fixed added Ollama providers and models not appearing in model lists.
Fixed app restart behavior for DEB and AppImage builds.
Fixed push notification toast messages showing duplicated words.

Local AI discovery, Smart Routes, and accelerated presets#

2026-07-09Msty Nexus 0.2.0

Features

Discover and connect to local AI runtimes already running on your machine.
Create Smart Routes that send requests to the best configured model.
Speed up local model presets with optional acceleration.

Improvements

Improved first-time setup and provider onboarding.
Made connection endpoints clearer and easier to copy.
Clarified which models run locally and which use online providers.
Rename client tokens for easier identification.
View usage broken down by client token.
Improved Msty Nexus icon visibility across desktop themes.
Improved model and provider setup guidance.

Fixes

Fixed provider menus being cut off near the bottom of the list.
Fixed the restart-required status remaining after restarting the runtime.
Fixed model search results remaining after clearing a search.
Fixed runtime and provider status not updating between the main window and menu bar.
Fixed the Advanced Options model search field becoming unusable.
Fixed Linux AppImage and DEB launch and compatibility issues.
Fixed system tray icon rendering issues.
Fixed saving an empty allowed-origins list.
Fixed hidden models remaining visible in connected clients.
Fixed duplicate Msty Nexus windows appearing from the Dock and menu bar.
Fixed Claude models failing through the OpenAI-compatible endpoint.
Fixed duplicate model-pull actions while another pull is in progress.
Fixed removed providers and their models remaining visible.
Fixed duplicate preset names causing inconsistent availability in connected clients.