What's Changed

• fix: starter screen layout by @urmauur in https://github.com/janhq/jan/pull/4279
• feat: add chat width setting option for thread by @urmauur in https://github.com/janhq/jan/pull/4278
• fix: performance issue with atom storage persistence by @louis-jan in https://github.com/janhq/jan/pull/4281
• fix: attachment preview issue by @louis-jan in https://github.com/janhq/jan/pull/4282
• feat: handle case thread when original model deleted by @urmauur in https://github.com/janhq/jan/pull/4280
• chore: bump cortex 1.0.5 rc2 by @louis-jan in https://github.com/janhq/jan/pull/4293
• fix: empty tooltip on attachment icon, also fix z-index by @urmauur in https://github.com/janhq/jan/pull/4290
• fix: context length is reset while creating a new thread by @louis-jan in https://github.com/janhq/jan/pull/4294
• enhancement: update thumbnail chat width option setting by @urmauur in https://github.com/janhq/jan/pull/4284
• fix: scroll to bottom issue by @urmauur in https://github.com/janhq/jan/pull/4289
• fix: new thread isn't automatically created on factory reset by @louis-jan in https://github.com/janhq/jan/pull/4295
• enhancement: set recommend model to undefined if no model available by @urmauur in https://github.com/janhq/jan/pull/4296
• chore: deprecate Jan core's REST module - all API requests go to cortex.cpp by @louis-jan in https://github.com/janhq/jan/pull/4297
• fix: attach file information into message metadata for a quick retrieval by @louis-jan in https://github.com/janhq/jan/pull/4298
• fix: conditional render model setting based on selected model by @urmauur in https://github.com/janhq/jan/pull/4300
• fix: escape heading on user message item by @urmauur in https://github.com/janhq/jan/pull/4301
• Release cut 0.5.12 by @louis-jan in https://github.com/janhq/jan/pull/4302
• fix: thread error handling by @louis-jan in https://github.com/janhq/jan/pull/4307
• fix: fetch threads and messages without limiting by @louis-jan in https://github.com/janhq/jan/pull/4304
• fix: scroll bottom issue by @urmauur in https://github.com/janhq/jan/pull/4308
• fix: overlap bottom system monitor by @urmauur in https://github.com/janhq/jan/pull/4310
• chore: add OpenAI gpt-4o-mini and o1 models by @louis-jan in https://github.com/janhq/jan/pull/4311
• fix: dynamic input box width and remove tooltip image option by @urmauur in https://github.com/janhq/jan/pull/4315
• fix: cleaning a thread should just clear out messages by @louis-jan in https://github.com/janhq/jan/pull/4316
• fix: change theme settings do not work after relocated data folder by @louis-jan in https://github.com/janhq/jan/pull/4317
• fix: threads sorting order after updated by @louis-jan in https://github.com/janhq/jan/pull/4319
• fix: update thread's title edge cases by @louis-jan in https://github.com/janhq/jan/pull/4320
• fix: generating message is gone after switching to another thread by @louis-jan in https://github.com/janhq/jan/pull/4321
• fix: app picks model automatically edge cases by @louis-jan in https://github.com/janhq/jan/pull/4322
• fix: scroll bottom when generation text by @urmauur in https://github.com/janhq/jan/pull/4323
• fix: disabled native resize textarea when textarea autogrowing by @urmauur in https://github.com/janhq/jan/pull/4326
• fix: render performance while generating messages by @louis-jan in https://github.com/janhq/jan/pull/4328
• chore: bump cortex 1.0.6-rc by @louis-jan in https://github.com/janhq/jan/pull/4330

Full Changelog: https://github.com/janhq/jan/compare/v0.5.11-rc2-beta...v0.5.12-rc1-beta