Chronos
Scheduler

Groups in the overview (v1.44.0). A schedule can carry a group, set in the editor right under its name: garden, thermostats, lights, whatever you like. Free text, with the groups already in use offered as chips so names stay consistent, and no list of groups to maintain: a group exists as long as one schedule uses it. The overview lists the schedules under one header per group, showing how many are active, and each header collapses with a tap, remembered in the browser: on a phone a long list of schedules used to be a long scroll. The week view offers the groups as filter chips. Nothing changes until you use it, and whoever would rather not assign groups can group by device type from the settings. Also a regression test proving that a disabled schedule sends no command through any path, added while looking into issue #23. Asked by PaoloDozio in issue #24.

Base map on Esri, away from CARTO (v1.43.0). Since September 2026 CARTO stamps API KEY REQUIRED diagonally across every tile it serves without a key: the text is baked into the image, so no setting on this side could remove it and the Live map was unreadable. The base now comes from Esri's gray canvas, light or dark with the theme, no key. Settings lets you choose between Esri, CARTO (with its watermark declared), OpenTopoMap for terrain, or your own XYZ template. If the chosen source stops answering, the map falls back to Esri on its own and says so underneath.

Workdays, calendars and people inside rules (v1.42). A rule can compare any on/off entity to one of its states, and the builder lists them next to the numeric sensors: binary sensors, calendars, input booleans, schedule helpers, people and device trackers. So the workday sensor skips the morning routine on public holidays, a holiday calendar pauses a block, a person's presence gates one. They could already be named by typing the entity id, but the picker did not offer them, so almost nobody knew. Tests added for irrigation, on-demand scenes and the forecast cache: 57 backend and 91 browser tests on every push.

Home, Away and Holiday modes (v1.41.0). Every schedule declares which modes it runs in, and the mode is changed from the selector, a select entity or a service, so a presence sensor or a dashboard button can drive it. Deselect Home on a presence-simulation schedule and its evenings play only when nobody is there. Switching is immediate and follows the same safety rule as a pause: what Chronos had switched on in the schedules stepping aside is switched off first. With no modes declared nothing changes.

Pause and Skip today, and a warning when two schedules fight over a device (v1.40.0). A schedule can be paused until midnight, for a few hours, or until a date you pick: it stays enabled and comes back on its own, re-applying the block that should be running. Pause means leave my devices alone until then, with one safety rule: what Chronos had switched on is switched off first, so a valve on a plug cannot stay open because its switch-off was paused away. When another enabled schedule drives one of the same devices in an overlapping block, the editor names the device, the other schedule and both windows: Chronos does not merge them, the last command sent wins, and that is the question behind most support requests so far.

Chronos in the Home Assistant sidebar (v1.39.0). The same application as the card, full screen at /chronos, with no dashboard in between: the comfortable way to manage schedules on a phone, where a card has to share the screen with everything around it. Nothing is taken away, the cards keep working as before, and under the hood the panel is the same bundle already served for the card, so card and panel stay one build and one version.

Structure and tests, no new feature: this is the release that makes the next ones safer (v1.38.0). The scheduler goes from 3200 lines to 500, keeping only the core, while dispatch, rules, weather, offline recalls, irrigation, presence simulation and on-demand scenes each get their own module. Above all: whether a schedule may act right now used to be checked by hand in every path, and the recall path had forgotten it. It is now a single function used by all of them. One visible consequence: the service that fires a block now refuses a disabled schedule and says why, instead of firing it anyway.

Action buttons cut off on phones (v1.37.1). Page headers put the title on the left and the buttons on the right, in a row that was not allowed to wrap: on a narrow screen the two sides cannot share a line, so the button group was pushed past the card boundary and clipped there. They were not hidden, they were cut away, and on the Devices screen that removed the Add entity button, leaving a page able only to manage what was already there. Headers now wrap when the two sides do not fit, at any width and in any language. Reported by PaoloDozio.

Presence simulation (v1.37.0). A block can stand in for someone being home instead of holding one state for the whole window: inside its hours it switches on and off several times, at times that change every evening. You set the window, how many activations at most and how long each lasts, and Chronos decides the exact minutes and which of the block's devices each one uses, so it is not always the same room lighting up. The plan is drawn once a day from the schedule, the block and the date: fixed until midnight, different tomorrow, and nothing is stored, so after a restart it rebuilds the same plan and picks up where it was. The window always ends with the device off, and since the action is the one configured on the block this is not limited to lights.

Blocks that act on both edges, electricity prices and random shift (v1.36.0). A turn-on block sent the turn-on and nothing else, so the device stayed on until another block touched it: now a block can act when it ends too, with an action chosen per block rather than hardcoded to an off, because the sensible end state depends on the device. Electricity price rules arrive, taken from the price sensor you already have (Nordpool, ENTSO-e, Tibber): the one that matters is the rank, so running in the four cheapest hours is price.rank_today less than or equal to 4, handled by the ordinary rule engine with no optimizer and no market API. Plus a random shift per block, moving it each day by up to N minutes either way, derived from a hash of schedule, block and date: stable for the whole day and needing nothing stored.

See the scaled duration, and get warned before two zones collide (v1.35.0). The timeline now shows what a scale rule can do to a block: it stays solid at the configured duration and a hatched tail continues to where the action can actually reach with the rule at its maximum. New warning when two enabled irrigation schedules share days and their worst-case runs overlap: scaling one up moves its end without moving anyone's start, so the collision is invisible in the configured times. Nothing is blocked, it is a design-time hint.

Irrigation scaling fixed, and schedules you can compare (v1.34.0). Scale value did not work on sequential irrigation programs, because their minutes live one per valve and action.value was never read there: watering longer when it is hot did nothing. The computed value is now taken as the total program length and the legs are scaled by a common factor, so 15 + 5 minutes scaled to 60 becomes 45 + 15 and the proportion between zones is preserved. A latent bug underneath was fixed too: the blocks a rule works on shared their action with the stored schedule, so a value-writing rule edited the user's own configuration in place, and any later save made it permanent. Added comparing two schedules on one timeline, with overlapping blocks outlined in red.

Hold-on-threshold rules, and weather rules marked on the timeline (v1.33.0). A new effect follows a measured value and drives both transitions, making it a real twilight switch. force_action only ever fired on the rising edge, which meant a lux rule switched a light on and never off again. The order of the two thresholds sets the direction, the gap between them is a deadband, and a confirmation delay in minutes stops a passing cloud making the device flicker. New weather attribute, illuminance in lux, normally mapped to a local sensor because weather integrations rarely publish it.

Every schedule is now exposed as three Home Assistant entities (v1.30), under a single Chronos Scheduler device: a switch (enable/disable), a binary_sensor (running now, device_class running) and a timestamp sensor (next change, with the current action, block window and device count as attributes). So schedules go on any dashboard with native cards, work in automations and conditions, or respond to voice, without embedding the full card. Entities are keyed on the schedule id, so renaming one doesn't break automations, and creating or deleting a schedule adds or removes its entities live, no restart.

Embeddable single-view card mode (v1.31): with the view option the card renders a single Chronos screen with no sidebar or bar, becoming a compact widget (best with the Live, week or overview screens). Place several side by side to compose a custom Chronos dashboard; a card without view stays the full app. Also added a non-interactive status card (v1.32, custom:chronos-schedule-card) recapping a single schedule: a Now and Next line, a timeline bar, a status list, a last-activity line and a tri-state log (activations green, retriggers amber, errors red), with a red alarm glow that pulses while the latest activity is an error.

New top navigation bar (v1.29). The sidebar and the topbar merge into a single 50px bar with the brand, a live clock and the menu as a row of icon chips: the active entry expands into a pill with its label and takes over the screen-title role. On narrow screens the icon row scrolls horizontally (hidden scrollbar, faded edges) and the selected entry scrolls itself into view, removing the drawer on phones and returning the space to the content. The classic left sidebar stays available from Settings.

OpenWeatherMap overlays (v1.28.5): when OWM rejects the tiles (invalid key, or a freshly created one not yet active, which takes a few hours on their side) the map shows an explicit warning under the toolbar instead of staying silently blank. The overlays also get a visibility boost on the dark basemap, where they were nearly invisible since they're designed for light maps.

Live screen fixes (v1.28.4): the sun position dot (and the night moon) now actually render on the sun arc; they were losing the SVG namespace and the browser created them as inert elements. Also added a visible note when the OpenWeatherMap key is missing, instead of the tooltip alone which was invisible on touch devices.

Redesigned Live screen (v1.27): a new weather hero with feels-like and stat chips (humidity, wind, gust, UV, pressure, rain rate), a sun card with the sunrise-to-sunset arc and a countdown, an interactive 24h forecast strip (tap an hour for condition, temperature, rain, wind and humidity) and a weather map centred on the home zone with an animated precipitation radar, free and with no API key, including past frames, nowcast and playback controls. An optional OpenWeatherMap key unlocks the temperature, wind, cloud and pressure overlays.

Local station comparison: when sensor overrides are mapped, the hero can switch between the weather entity and your home sensors, or show them side by side with per-attribute delta badges highlighting the drift between the two sources.

Animated weather backgrounds on the Live screen (v1.28): a breathing sun (with a cool variant on clear nights), drifting clouds, fog banks, rain with individually randomized drops, downpours, storms with slanted rain and lightning, snowfall. They're lightweight CSS effects behind the content, transform and opacity only, they honour the system reduced-motion preference and can be switched off in Settings.

Scenes with an 'apply on demand' mode (v1.26). By default a scene block activates the scene at block start, turning on every light it controls. With this mode Chronos turns nothing on by itself: it applies the scene only when one of its member lights is switched on during the block window (manually or by another automation), and immediately for those already on. The scene picker now also shows the devices each scene controls, so scenes with similar names are no longer indistinguishable.

Three outcome tiers in History (v1.25): a missed activation with the recall armed (device offline, retry pending) is recorded as a yellow warning instead of a red error, because the action is pending, not lost. Red stays for recalls that actually fail. Warning rows render amber, the outcome filter gains a dedicated option and the daily chart stacks green, yellow and red.

The week view now also shows disabled schedules (v1.24), dimmed and in italics instead of disappearing entirely (a paused schedule used to look deleted). They stay in the filters, the now marker is drawn only on active ones, and the legend now names what the colours actually are, the action kinds, instead of passing them off as schedule states.

Map moved to CARTO basemaps (same OpenStreetMap data, the same provider Home Assistant's own map card uses): this fixes the 'access blocked' tiles some clients received, such as the companion app WebView and car head units, because the OSM tile policy forbids use from distributed apps. The native dark style replaces the old CSS filter, with cleaner rendering and crisp @2x tiles on retina screens. Also fixed the rain radar placeholder tiles beyond zoom 7.

Preparation for the HACS default store: brand icons shipped inside the integration (Home Assistant 2026.3+ serves them automatically), dependencies declared in the manifest to guarantee setup order, keys sorted per the hassfest convention and a validation workflow running the HACS Action and Hassfest on every push.

Recovery of missed switch-offs (v1.23). If an auto-off timer or a valve close fires while the device is offline, the command used to be silently lost (Home Assistant accepts calls for unavailable entities) and History still claimed 'executed'. Now the off path checks availability first: History records the truth and the command is re-armed and re-run as soon as the device comes back online. This off-recall is always on, survives restarts and only gives up after 12 hours offline, because leaving something on (an open valve keeps watering) is the dangerous direction.

Offline-device recall (v1.21). If the target entity is unavailable at block dispatch, the action is retried automatically when the entity comes back online (as long as the block is still active), instead of reporting a false success. History records the real offline, and if the block has expired in the meantime the recall lapses with a note. Configurable in Settings with on/off and a max number of attempts per device.

Per-block auto-off timer (v1.20). Turn-on blocks for lights, plugs, fans and climate can ask Chronos to switch the device off N minutes after turning it on, with the same restart safety as timed irrigation (persisted timer, defensive switch-off on the next boot if HA restarts mid-way). Also added the climate set_hvac_mode action (heat, cool, dry, etc.), the reliable way to actually power on air conditioners.

Four new languages: Spanish, Portuguese, Dutch and Polish, for a total of eight interface languages, all with the 672 strings translated (recipes, FAQ, glossary, weather attribute names and config flow included). Manual selection from Settings or automatic from the Home Assistant language.

Device lists now show each entity's Home Assistant area (resolved live from the registry), so two identically named devices in different rooms are finally distinguishable in the wizard and the list. New chronos.schedule_toggle service to enable or disable a schedule from HA automations and scripts, with a monospace ID chip in the editor header to copy the id from.

Blocks can no longer overlap when dragged, on both the linear and the radial editor: the dragged block wins and a neighbour's covered part is trimmed, split in two or removed if too short. Also fixed the alignment of the hourly forecast strip at the top of the timeline (cells now sit on their real hour) with a tooltip for hour and condition, and the card recovers on its own from 'Unknown command' errors after an HA restart with growing-backoff retries.

The timeline view (linear, radial or list) is now remembered per schedule: changing it no longer prompts to save and doesn't touch pending edits. The chosen view survives duplicate and export/import.

Weather rules as independent, shareable objects (v1.17). A rule now has a stable id, is decoupled from schedules and can target several schedules and blocks at once, while each schedule combines several rules. A new rules manager lists them with target chips, a per-schedule filter, manual or alphabetical sorting, and delete confirmations for shared rules. Existing per-schedule rules are migrated automatically on first start.

Duplicate schedule (choosing name, devices, days and whether to copy weather rules) and JSON export/import. Export uses entity ids, import re-matches devices by entity id and reports the unmatched ones. Duplicated or imported schedules start disabled.

Color-coded Live screen: forecast cells are coloured by weather severity (green fine, yellow cloudy, orange rain, red storm or snow) and show per-hour wind, with strong wind escalating the severity. Weather rules are grouped by schedule with a header and a filter.

Five new guided recipes: heat-scaled fan, summer heat-shading blinds (compound condition with a seasonal date range), deferred load on solar surplus, weekday robot vacuum, seasonal pool pump. Recipes can carry a recurring date range with them.

Global-mode irrigation: the block's duration is now actually enforced. Valves open in parallel and are closed after the configured minutes (previously the duration was informational and nothing closed them). The program is a tracked, persisted task: an HA restart mid-watering closes the valves left open on the next boot.

Sequential irrigation (v1.13): irrigation schedules support a per-valve duration mode that opens stations one at a time, each for its own minutes. Built for multi-station controllers (e.g. Solem BL-IP) where stations must run in sequence due to water-pressure limits. Restart safety is always on: open valves are closed after a crash or restart and the event is logged to History.

Color customisation extended to every device type and to the timeline action kinds (v1.12): colors for on/off/set/preset/cmd actions, active/inactive pairs for simple-state devices (plug, mower, alarm, helpers) and gradients for range devices (blind, fan), with a live preview and per-section or global reset.

New helper types (v1.11): input_boolean, input_number and input_select, to drive Home Assistant helpers at the right times without touching your existing automations. Also added a generic service-call schedule, where each block invokes any HA service (mqtt.publish, backup.create, script.run, etc.) with an optional JSON payload.

New History screen (v1.11): an append-only log (ring buffer up to 5000 entries) of every dispatch, with filters by date range, schedule, kind and outcome, KPIs, a daily bar chart and a detailed list. Useful to understand why a schedule did or did not fire.

Reliability on Home Assistant restart: Chronos actions are attributed in the HA Logbook (including entity-filtered searches), a defensive retry on ServiceNotFound during integration reload, the first tick deferred until HA is ready so no spurious boot errors are logged, and service-path validation for service-call schedules.

Mobile drag for time blocks (Pointer Events instead of MouseEvent), so resize and move work with mouse, touch and pen. Fixed several Italian string leaks into the EN/FR/DE UI and the sidebar/topbar overlap with the Home Assistant bar in panel mode.

Security: bumped @rollup/plugin-terser from 0.4.4 to 1.0.0 to close CVE-2024-11831 (RCE in serialize-javascript) and CVE-2024-11832 (CPU-exhaustion DoS). Build-time only, no runtime impact.

New device type: alarm. Imports any Home Assistant alarm_control_panel entity and exposes arm_home, arm_away, arm_night, arm_vacation, disarm and trigger as schedulable actions.

Search box above the scenes and automations multi-select in the block editor (appears when options exceed six). Already-selected entities always stay visible regardless of the filter.

Search box also in the weather sensor dropdown inside the weather rule builder.

Help screen: three new guided recipes — scene routine (multiple scenes per block), night alarm (scheduled arm/disarm), off-grid SOC boiler (sensor.* references with AND-ed IF conditions).

Atmospheric pressure override now accepts both atmospheric_pressure (modern HA device_class) and pressure (legacy/generic) with no more mismatch warning. The sensor picker pre-ranks both as suggested.

i18n: added missing translations for sun.elevation, sun.minutes_until_sunrise, sun.minutes_until_sunset, sun.state. The Italian backend labels were leaking into the EN/FR/DE UI for these four solar attributes.

Frontend auto-registration: bundle copied to /www/chronos-card.js at boot, Lovelace resource created or updated automatically, fallback to /chronos_static/ via add_extra_js_url. No more manual resource setup for UI-mode dashboards.

Full localisation in Italian, English, French and German. Manual selection from Settings or automatic from the Home Assistant language.

Weather rule fire modes: every (false→true transition), once_per_day (re-arm at midnight), once_per_daytime (sunrise), once_per_nighttime (sunset). Solves the oscillation problem when the condition crosses the threshold back and forth.

Solar anchors for time blocks: start and end anchorable to sunrise/sunset with an offset in minutes. Resolved against sun.sun on every tick for automatic seasonal tracking.

Sensor overrides for weather attributes: integration with Ecowitt, WeatherFlow and other point weather stations. Configurable per individual attribute (temperature, wind, rain, UV, radiation).

6-step guided wizard for assisted schedule creation. Faster onboarding for non-advanced users.

First public release: 9 supported domains (climate, light, cover, switch, fan, vacuum, lawn_mower, water_heater, valve), Lovelace card with linear/radial/list timeline editor, IF/THEN weather rules, week view, live KPIs.