[0.9.0] - 2026-06-13

Added

• unescape property to label widget.
• Better Nbcl error reporting.
• register_library API to plugin API.
• emit plugin API to emit signal to a shared buffer.
• listen plugin API to listen to signals emitted by plugins.
• register_signal plugin API to register custom signals.
• update_signal plugin API to update signals.
• on_signal_update plugin API to run a function when signal updates.
• signal_value plugin API to get the value of a signal.
• metadata_id plugin API to get the id of this plugin.

Changed

• Rendering backend architecture to a more flexible one.
• Plugin API to allow calls from multiple threads.
• Made widget-control property-update update the ewwii property instea of the gtk property.
• ipc_request plugin API to return FutureResult.
• inject_css plugin API to allow multiple plugins to inject css.

Removed

• show_truncated property from label widget.
• space_evenly property from eventbox.
• spacing property from eventbox.

[0.8.4] - 2026-05-31

Fixed

• Nbcl truncating starting/ending quotes of strings.

[0.8.3] - 2026-05-31

Fixed

• Plugin requests being handled after config loading.

[0.8.2] - 2026-05-30

Fixed

• Property not falling back to default if null.
• Ewwii panicing when unknown widget is met during translation.
• State handlers acting funny sometimes after reload.

[0.8.1] - 2026-05-29

Fixed

• Few issues with nbcl by upgrading to latest version.

[0.8.0] - 2026-05-29

Added

• core library that implements all the features that existed in rhai std.
• api library that implements all the features that existed in rhai api.
• Script node for running script periodically or on event.
• ipc_request plugin API for calling ewwii IPC directly.
• Improved register_function plugin API.
• print-version command to print the plugin API version.
• handle_config_callbacks plugin api to handle callbacks from Script.
• inject_css plugin api to inject custom css.

Changed

• Renamed mutate to template.
• Add more functionality to template.

Removed

• Direct synchronous return of Result from plugin API.

[0.7.0] - 2026-05-23

Added

• Nbcl as the new configuration language.
• global function for accessing globals.
• mutate function for temporary global variable mutation.

Changed

• Plugin API version system to follow the binary version.

Fixed

• onclick conflicting with scroll.
• Scale substracting 1 if value is 100.

Removed

• Rhai as configuration language.
• bind function.

[0.6.0] - 2026-04-26

Added

• Improved to and fro communication between plugin and host.
• Safe and FFI compatible data transfer between plugin and host.
• Rhai function registeration plugin API.
• Config engine replacement plugin API.

Changed

• The Plugin API.
• The handling of requests from plugins.
• show_truncated property of label widget to true by default.

Fixed

• Poll’s interval detection without duration type panicing. #32
• Large program size. #30
• Logging issues with rhai implementation crate.
• Property not working if its boolean string.

Removed

• Tight coupling of rhai into core engine.
• Gtk related API from the plugin API.
• include-gtk and include-rhai feature from ewwii_plugin_api.

[0.5.0] - 2026-04-14

Added

• graph widget back.
• bound function for interacting with global variables.

Changed

• v4_18 feature flag for to the gtk4 crate to enable newer APIs.
• show_truncated property of label widget to be false by default.
• can_shrink property of image widget to be false by default.
• The use case of update command.
• Image widget for better rendering at HiDPI displays.
• Made Global variables immutable.

Fixed

• A few issue related with property-get subcommand.

Removed

• eval_ignore property.
• Reevaluation system.
• graph command.
• engine-override command.
• localsignal and localbind.

[0.4.0] - 2026-02-14

Added

• gtk_ui function for loading .ui files.
• widget-control (wc in short) command for controlling widgets.
• placeholder property to input widget.
• transition_duration property to stack widget.
• widget_control utility function for dynamic widget handling.
• text and show_text property to progressbar widget.
• content_fit property to image widget.
• can_shrink property to image widget.
• mutations property to localsignal.
• eval_ignore property to all widgets.
• Touch support to scale widget.

Changed

• Renamed enter function to tree.

Fixed

• clockwise property not working on circular_progress.
• picture widget not rendering at full resolution.

Removed

• icon widget.

[0.3.1] - 2025-11-01

Fixed

• Circular progress bar not updating dynamically.
• LocalSignal values not getting transformed to suite property type.
• LocalBind not finding properties of range subclasses.

[0.3.0] - 2025-11-01

Added

• localsignal signal for fast and cheap property update.
• localbind utility for binding localsignal to a widget property.
• onkeypress property to eventbox.
• onkeyrelease property to eventbox.
• Selection of dash as shell if it installed.
• --with-plugin flag for daemon command.
• register_function API in ewwii_plugin_api for registering functions that rhai can call to.
• slib rhai module for calling functions registered via register_function.
• orientation property to eventbox.
• spacing property to eventbox.
• space_evenly property to eventbox.
• An advanced widget named flowbox.
• focusable property to all widget.
• widget_name property to all widget.
• lifetime flag for update command.
• circular-progress widget back.

Fixed

• Old widget creeping into new ones after hot reload.
• Ewwii defaulting to default gtk4 theme. #9
• Few issues with eventbox drop target.
• Poll/Listen variables not exposed in other modules on first launch.
• Not able to define poll/listen variables in other files.
• Overlay and Tooltip widgets not being reactive.

[0.3.0-beta] - 2025-10-11

Added

• Support for binary level plugins.
• set-plugin command to load shared libraries (i.e plugins).
• ewwii_plugin_api crate for building ewwii plugins easily.

Changed

• The name of slider widget to scale.

Fixed

• focusable property not working issue.
• Poll/Listen variable scope not accessable to all modules.

[0.3.0-alpha] - 2025-10-04

Added

• GTK4 support.
• can_target boolean property for all widgets.
• icon widget which always preserves a scaling of 1:1.
• Full native wayland compatibility (x11 compatibility has decreased).

Changed

• The way dynamic updates are handled.
• Window positioning logic.
• X11 communication and x11 based window handling.
• Daemon GTK main loop.
• Application of sticky and stacking propery of window on X11.
• The full implementation of eventbox widget.
• GTK controller/signal handling.
• Initialization logic of window.
• Overlay widget dynamic post-creation re-creation logic (bugs are expected).

Removed

• show_details property of calendar.
• angle property from label.
• icon_size property from image widget.
• same_size property from stack widget (box is a replacement).
• icon_name from image widget as a result of the introduction of icon widget.
• transform, graph, and circular_progress widget (temporarily).
• Application of css class on the window.
• Legacy GTK3 related code.
• Centerbox widget.

[0.2.0] - 2025-09-29

Added

• state command to print the current poll/listen variable state.
• m as another duration unit for minute.
• std::regex library for regex matching.
• engine-override command which can be used to change engine settings of a configuration.
• force_normal property for ewwii windows. It allows user to create normal windows on wayland.
• Better error support by migrating to rhai_trace v0.3.0.
• File path indicator in rhai errors.

Fixed

• The logs going to eww_{}.log instead of ewwii_{}.log.
• Logs not truncating if it is over 100MB and not deleting if over 7 days old.
• Ewwii crashing on invalid duration property.
• The module resolver throwing error at import defenition.
• Fixed commands sending error with success status.

Removed

• Legacy true/false support for focusable window property.
• $INPUT_VAL variable injected in commands ran by input widget.
• Many dependencies and code for faster build and lesser binary size.
• monitor library as a step towards GTK4.

[0.1.4] - 2025-09-18

Added

• --preserve flag to the update command which preserves the new updates.

[0.1.3] - 2025-09-17

Changed

• update command so that it preserves current widget state.
• --inject-vars argument of update to just --inject (or -i in short).

Fixed

• image_width and image_height not working for image widget.

[0.1.2] - 2025-09-13

Added

• “Parent-death signal is not supported” warning on macOS.
• Error logging on parent-death signal fail.

Fixed

• Code not compiling for FreeBSD.

[0.1.1] - 2025-09-07

Added

• Better poll handling for performance.

Changed

• update to not require a window argument.

Fixed

• Poll/Listen handlers not working for multiple windows.

[0.1.0] - 2025-09-06

Added

• SIGINT and SIGTERM catching to KILL AND OBLITERATE children cleanly.
• Proper poll/listen handler setup in open_window(...).
• Cleaner poll/listen handler shutdown on ewwii close.
• api::linux for getting system information like cpu, gpu, ram, disk, kernel version etc.
• Support for defining multiple enter([..]) at top level.

Changed

• Changed std::monitor return values so that it will work fine with Rhai.
• Error handling so that it uses rhai_trace and codespan-reporting for more user-friendly and pretty errors.
• Internal WidgetNode parsing so that user don’t have to return anything (in rhai).

Fixed

• Ewwii creating zombie process on opening window.
• Ewwii shutting down all poll/listen handlers when any window closes.
• Broken % based width/height in window definition.
• Default poll/listen variables not working in external modules.
• call-fns command not returning anything.
• poll/listen definition extractor not skipping comments.

Removed

• Deprecated attribute warning which cluttered the logs.
• std::json (Rhai has built in json support).
• std::math (Rhai already convers everything that it has).
• The need for dyn_id for dynamic system. THIS IS A MAJOR UX change as it massivly reduces errors and the burden on users.
• Daemon exit on configuration error mechanism in favor of hot-reloading.

[0.1.0-beta] - 2025-08-27

Added

• std::json module to handle all json related tasks in Rhai.
• api::wifi module for handling wifi related tasks.
• Better error handling for ErrorFunctionNotFound.
• Better dynamic system which can handle dyn_id issues and reodering.
• std::math module for mathematics related tasks.
• propagate_natural_height property to scroll widget.
• Faster re-evaluation of configuration by reusing compiled configuration.
• Improved runtime error handling of WidgetNode casting.
• Caching for ParseConfig in re-evaluation system.
• Proper error handling for runtime error in external module code.
• call-fns command for calling a Rhai function. Note: The function can only see poll/listen variables as their initial value.
• update command with –inject-vars flag to update widget state. Note: All poll/listen variables will reset to their initial values.
• std::command module for running shell commands.
• INPUT_VAL environment variable for Input widget commands (onchange and onaccept), containing the current text of the input field.
• Parse error handling for external module code.
• Killing poll/listen handlers feature in ewwii kill command.

Changed

• x, y, widget, and height properties on window definition are now optional.
• Internal Id to WidgetInfo mapping now borrows values instead of owning them to improve performance.
• homogeneous is no longer set to true if space_evenly property on box is not defined.
• Widget creation and diffing system to borrow WidgetNode instead of owning them to improve performance.

Fixed

• Ewwii window not closing when user requests with WM_DELETE_WINDOW event.
• Ewwii window not resizable by default.
• Ewwii not printing errors from external modules.
• Prevents early termination caused by kill_on_drop on listen.
• Slider updating value while dragging issue.

[0.1.0-alpha] - 2025-08-18

Added

• Introduced new programmable configuration system based on Rhai, replacing the Yuck syntax.
• New widget tree system using Rhai functions like box, centerbox, defwidget, etc.
• Diffing system which is the backbone of dynamic updates.

Changed

• Complete rewrite of the internal widget compiler to support declarative Rhai input.
• GTK widget construction is redesigned to work with the new tree.
• Replaced Simplexpr and Yuck AST with Rhai’s built in expression system and widget trees.
• Removed dependency on Yuck parser.
• Full rewrite of Documentation.

Removed

• Entire Yuck and Simplexpr code from the parsing and rendering codebase.