v0.7.6

## What's Changed
* docs: update homepage SEO meta title and description by @eckartal in https://github.com/janhq/jan/pull/7024
* chore: update flatpak manifest by @Minh141120 in https://github.com/janhq/jan/pull/7025
* blog: optimize "run AI locally" blog post for SEO by @eckartal in https://github.com/janhq/jan/pull/7028
* feat: combine attachments icon by @urmauur in https://github.com/janhq/jan/pull/6998
* fix: cstdint patch flatpak by @Minh141120 in https://github.com/janhq/jan/pull/7032
* Fix/appstream caption by @Minh141120 in https://github.com/janhq/jan/pull/7033
* feat: Update Russian localization by @Kuzmich55 in https://github.com/janhq/jan/pull/7039
* SEO: Improve offline-chatgpt-alternative content by @eckartal in https://github.com/janhq/jan/pull/7040
* feat: flatpak disable auto updater by @Minh141120 in https://github.com/janhq/jan/pull/7054
* Update flatpak metainfo by @eckartal in https://github.com/janhq/jan/pull/7064
* fix: flatpak appstream metadata validation errors by @Minh141120 in https://github.com/janhq/jan/pull/7067
* docs: add Microsoft Store and Flathub badges by @qnixsynapse in https://github.com/janhq/jan/pull/7068
* feat: add Polish metainfo translation by @0rzech in https://github.com/janhq/jan/pull/7050
* fix: improve Hub download button UX for installed models by @Lokimorty in https://github.com/janhq/jan/pull/7060
* Resolve Clippy Warnings and Apply Consistent Code Formatting by @github-roushan in https://github.com/janhq/jan/pull/7010
* feat: Update Russian localization by @Kuzmich55 in https://github.com/janhq/jan/pull/7082
* feat: complete Czech translations by @MichalZem in https://github.com/janhq/jan/pull/7081
* Update metadata for ai.jan.Jan by @razzeee in https://github.com/janhq/jan/pull/7045
* chore: update flatpak release 0.7.4 by @Minh141120 in https://github.com/janhq/jan/pull/7117
* chore: add change log doc for v0.7.4 by @Vanalite in https://github.com/janhq/jan/pull/7110
* refactor: clean up JoyRide by @louis-jan in https://github.com/janhq/jan/pull/7073
* chore: update flatpak manifest for v0.7.5 by @Minh141120 in https://github.com/janhq/jan/pull/7133
* chore: add change log doc for v0.7.5 by @Vanalite in https://github.com/janhq/jan/pull/7132
* chore: resolve conflicts between dev and 0.7.5 release branch by @Vanalite in https://github.com/janhq/jan/pull/7135
* chore: merge release 0.7.5 into dev branch by @Vanalite in https://github.com/janhq/jan/pull/7134
* refactor: move llama.cpp config handling to Rust by @qnixsynapse in https://github.com/janhq/jan/pull/7047
* fix: publisher name on windows by @Minh141120 in https://github.com/janhq/jan/pull/7144
* feat: Update Russian localization by @Kuzmich55 in https://github.com/janhq/jan/pull/7149
* feat: Improve toast messages and errors by @github-roushan in https://github.com/janhq/jan/pull/6892
* feat: improve sidebar UI with distinct sections and better empty states by @github-roushan in https://github.com/janhq/jan/pull/6745
* fix: prevent CUDA backend install failure by removing invalid fs.mkdir args by @qnixsynapse in https://github.com/janhq/jan/pull/7162
* fix: responsive button action hero landing page by @urmauur in https://github.com/janhq/jan/pull/7274
* refactor: jan web ci to use main branch and deprecate old workflows by @Minh141120 in https://github.com/janhq/jan/pull/7332
* refactor: migrate llamacpp backend logic to rust plugin by @qnixsynapse in https://github.com/janhq/jan/pull/7171
* feat: add portable windows by @Minh141120 in https://github.com/janhq/jan/pull/7350
* feat: chat enhancement by @louis-jan in https://github.com/janhq/jan/pull/7361
* feat: persist token usage into message metadata by @louis-jan in https://github.com/janhq/jan/pull/7366
* ci: update matrix test on windows by @Minh141120 in https://github.com/janhq/jan/pull/7367
* fix: tools availability and model settings by @louis-jan in https://github.com/janhq/jan/pull/7368
* fix: file upload function and assistant migration by @louis-jan in https://github.com/janhq/jan/pull/7369
* fix: missing shiki lib and import css katex by @urmauur in https://github.com/janhq/jan/pull/7372
* fix: remove setting codeblock by @urmauur in https://github.com/janhq/jan/pull/7371
* fix: font setup by @urmauur in https://github.com/janhq/jan/pull/7373
* Make it easy to install on ARM by @SuperCowProducts in https://github.com/janhq/jan/pull/7353
* docs: fix dead links to /docs/server and /docs/models by @chindris-mihai-alexandru in https://github.com/janhq/jan/pull/7342
* feat: search dialog by @urmauur in https://github.com/janhq/jan/pull/7374
* chore: refactor updater by @hiento09 in https://github.com/janhq/jan/pull/7377
* fix: update renderer using plugins by @louis-jan in https://github.com/janhq/jan/pull/7376
* chore: fix race condition in updater by @hiento09 in https://github.com/janhq/jan/pull/7378
* fix: mcp tool approval by @louis-jan in https://github.com/janhq/jan/pull/7379
* refactor: decouple platform guard logics by @louis-jan in https://github.com/janhq/jan/pull/7380
* fix: resolve link api-reference page by @bittoby in https://github.com/janhq/jan/pull/7384
* fix: regression - model download - users could not download with HF_TOKEN by @louis-jan in https://github.com/janhq/jan/pull/7386
* fix: mcp overflow env by @louis-jan in https://github.com/janhq/jan/pull/7387
* fix: disable fullscreen marmaid diagram by @urmauur in https://github.com/janhq/jan/pull/7388
* enhancement: quickstart UI card by @urmauur in https://github.com/janhq/jan/pull/7385
* fix: total download number by @urmauur in https://github.com/janhq/jan/pull/7390
* feat: edit message and delete by @urmauur in https://github.com/janhq/jan/pull/7391
* feat: Enable proxy to llama.cpp for Anthropic Messages API support. by @louis-jan in https://github.com/janhq/jan/pull/7395
* fix: app updater does not remind for new update without restarting by @louis-jan in https://github.com/janhq/jan/pull/7389
* fix: csp issue that blocking image upload on Windows by @louis-jan in https://github.com/janhq/jan/pull/7396
* fix: openai raw tool call issue by @louis-jan in https://github.com/janhq/jan/pull/7397
* fix: wrong cached model and provider first time create chat by @louis-jan in https://github.com/janhq/jan/pull/7398
* fix: wrong trouble shooting guide url by @louis-jan in https://github.com/janhq/jan/pull/7400
* fix: migrate mistral ai provider to have correct base url by @louis-jan in https://github.com/janhq/jan/pull/7399
* fix: Remove trailing slash from changelog link to avoid redirect by @janpio in https://github.com/janhq/jan/pull/7381
* fix: disable link open with dialog confirmation by @urmauur in https://github.com/janhq/jan/pull/7402
* fix: text overflow error generations by @urmauur in https://github.com/janhq/jan/pull/7404
* fix: leftpanel toggle on windows by @urmauur in https://github.com/janhq/jan/pull/7401
* fix: reduce max-width model selector by @urmauur in https://github.com/janhq/jan/pull/7403
* fix: should not regenerate on assistant message edit by @louis-jan in https://github.com/janhq/jan/pull/7405
* feat: handle show dialog new jan model by @urmauur in https://github.com/janhq/jan/pull/7406
* chore: Cherry pick to release/v0.7.6 by @Vanalite in https://github.com/janhq/jan/pull/7411
* Chore/flatpak manifest 0.7.6 by @Minh141120 in https://github.com/janhq/jan/pull/7412
* fix: mmproj path for vision capability by @Vanalite in https://github.com/janhq/jan/pull/7414
* chore: setup screen q4 k xl by @louis-jan in https://github.com/janhq/jan/pull/7417

## New Contributors
* @MichalZem made their first contribution in https://github.com/janhq/jan/pull/7081
* @razzeee made their first contribution in https://github.com/janhq/jan/pull/7045
* @SuperCowProducts made their first contribution in https://github.com/janhq/jan/pull/7353
* @chindris-mihai-alexandru made their first contribution in https://github.com/janhq/jan/pull/7342
* @bittoby made their first contribution in https://github.com/janhq/jan/pull/7384
* @janpio made their first contribution in https://github.com/janhq/jan/pull/7381

**Full Changelog**: https://github.com/janhq/jan/compare/v0.7.5...v0.7.6