Release notes

Added

• Rename and delete projects straight from the My projects list.

Changed

• The project name, save status and official-sample badge are at the top of the sidebar; rename a project with the pencil next to its name.
• Messages appear as small notifications in the corner that hide by themselves; hover to keep one open.
• Run and the account button show the right state as soon as the page opens, without changing a moment later.
• Dialogs close with the × in their header.

Added

• Six new languages: Go, Rust, Ruby, Perl, Bash and R, with Run, Run tests, highlighting, completion and Fix Code.
• Examples for each new language.

Added

• Zerethon Skills articles in Vietnamese.

Added

• 15 more Zerethon Skills articles (27 in total) and three learning paths.
• "Continue with" on Skills category and path pages, and "Reset my progress".
• Code Help search also suggests matching Skills articles.

Added

• Zerethon Skills: a map of the software delivery lifecycle with articles, official documentation links and places to practise.
• Mark articles as learned; progress is kept in your browser and in your account when you are signed in.

Changed

• Before unsaved work is replaced or you leave the page, you can choose Save, Don't save or Cancel.

Fixed

• The My projects list now refreshes after you save.

Added

• An install guide for macOS, Windows, Linux, iPhone and iPad, and an Install action where the browser supports it.

Added

• Zerethon IDE can be installed as an app on desktop, iPhone and iPad.

Added

• Browse Algorithms in a panel over the editor, without leaving your code.

Changed

• Code Help and Algorithms open from the bottom of the activity bar.

Added

• Code Help: quick references for each language, as public pages and as a Help panel in the editor.
• Light and dark theme on every page, not only the editor.

Added

• FAQ, Terms of use and Privacy policy pages for Zerethon IDE, in English and Vietnamese.
• A navigation bar and footer on the pages outside the editor.
• Line numbers on Algorithms pages.

Added

• A SQL query on tables that don't exist yet can create a setup file with the table skeletons, or ask AI for tables with sample data.

Added

• Run code without an account. Your code is kept in this browser and can be saved as a project after you sign in.
• Syntax colours on Algorithms pages.

Changed

• About, Tools and Zerethon links moved into a menu in the sidebar.

Added

• C++ and TypeScript versions of the algorithm samples, and two more SQL samples.
• SQL Playground loads your own CSV files into tables.

Changed

• SQL results show numbers right-aligned and without floating-point noise.

Added

• Format Code for Java, C, C++, PHP and SQL.
• Fix Code for every language.
• TypeScript type errors while you type.

Changed

• More accurate syntax highlighting for every language.

Added

• "+ New" in the sidebar starts an empty project in any language that can run.

Added

• Run tests for Java, C, C++, PHP, TypeScript and SQL.

Added

• Java, C and PHP versions of the algorithm samples.

Changed

• The language switcher sits next to the logo.
• When a sample has no version in the language you pick, you can start a new project in that language or keep the current one.

Added

• SQL Playground (SQLite 3): each run gets a fresh database, and results are shown as tables.

Added

• TypeScript (TypeScript 7 on Node.js 22): type-check, compile and run, with type errors shown before the run.

Added

• PHP 8.4.

Added

• C and C++ (GCC 14), with compile errors and crashes shown clearly.

Added

• Java 25, with compile errors shown clearly.

Added

• Switch the editor between languages. Each language opens its own workspace; code is never converted.

Added

• Share a read-only link to a saved project, with an expiry date. See how often it was viewed and revoke it at any time.

Changed

• Run history can show the current project or all runs, and can be cleared.
• Run and Run tests share one button with a menu.
• Ctrl/⌘+Shift+Enter runs tests.

Fixed

• Clearing old runs could let you run more than the daily limit.

Added

• Run tests: run every test_* file of a Python or JavaScript project and see which passed.
• An Examples page.

Added

• Official samples for Linear Search and six sorting algorithms, in Python and JavaScript.

Added

• JavaScript (Node.js 22), with Format Code.

Fixed

• A JavaScript program that printed a lot could stop producing output.

Added

• The interface in Vietnamese as well as English.
• Official samples, starting with Binary Search, that open as your own project.

Added

• Format Code for Python.
• Fix Code: ask AI for a fix to the selected code and review it before anything changes.

Added

• Completion understands imports between the files of a project.
• Hover over a name to see what it is.

Added

• The first version of Zerethon IDE: write and run Python 3.12 in your browser, with completion, search and replace, input, run history and light or dark theme.
• Sign in with your Zerethon account to keep private projects.