# Waybar 0.15.0

- Product: Waybar (https://whatsnew.fyi/product/waybar)
- Vendor: Waybar
- Date: 2026-02-06
- Version: 0.15.0
- Original notes: https://github.com/Alexays/Waybar/releases/tag/0.15.0
- Permalink: https://whatsnew.fyi/product/waybar/releases/0.15.0
- Labels: Platforms: Linux

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Close SNI menu on item destruction
- **fixed** — Handle null GDK window reference in surface initialization
- **fixed** — Hide vacant tags on initial startup in river module
- **fixed** — Fix appearing of hidden workspaces in ext/workspaces
- **fixed** — Temperature critical style not being removed
- **changed** — Clock module now supports independent clock tooltip formatting
- **fixed** — Clock module fix for blank line at the end of the timezone list
- **fixed** — Clock use after scope error
- **fixed** — Prevent child zombie process from tearing down Hyprland IPC
- **added** — Support millisecond precision for script intervals
- **fixed** — Expanding wildcards in config includes
- **fixed** — Module and tray item staying in hover state after opening menu
- **fixed** — Display icons for userwide installed applications
- **changed** — Hyprland workspaces taskbar improvements
- **added** — CSS classes for niri/language module
- **added** — ISO 8601 calendar to clock module
- **fixed** — Correct error in converting network speed units
- **fixed** — Right and middle button not working in ext/workspace module
- **fixed** — Memory leak by removing old CSS provider before reloading CSS styles
- **fixed** — Backlight module gracefully handle null epoll device
- **fixed** — Prevent duplicate layer surfaces on monitor hotplug

##### What's Changed
* fix: close sni menu on item destruction by @notpeelz in https://github.com/Alexays/Waybar/pull/4476
* Fix example in waybar-niri-language.5.scd by @stefonarch in https://github.com/Alexays/Waybar/pull/4495
* fix: handle null GDK window reference in surface initialization by @coleleavitt in https://github.com/Alexays/Waybar/pull/4485
* fix: changed *waybar-styles(5)" to *waybar-styles(5)* in the last line by @RQuarx in https://github.com/Alexays/Waybar/pull/4488
* fix(river): hide vacant tags on initial startup by @LordMZTE in https://github.com/Alexays/Waybar/pull/4474
* docs(temperature): add missed `warning` style by @dmyTRUEk in https://github.com/Alexays/Waybar/pull/4452
* ext/workspaces: fix appearing of hidden workspaces by @jp7677 in https://github.com/Alexays/Waybar/pull/4437
* Cava backend. Comminication using signals by @LukashonakV in https://github.com/Alexays/Waybar/pull/4493
* fix(temperature): critical style not being removed by @dmyTRUEk in https://github.com/Alexays/Waybar/pull/4457
* feat(makefile): support more detailed test output by @khaneliman in https://github.com/Alexays/Waybar/pull/4380
* Clock Module: Independent clock tooltip formatting and fix for blank line at the end of the timezone list by @guttermonk in https://github.com/Alexays/Waybar/pull/4447
* flake.lock: Update by @github-actions[bot] in https://github.com/Alexays/Waybar/pull/4428
* docs: fix waybar menu example and formatting by @PedroManse in https://github.com/Alexays/Waybar/pull/4414
* clock: fix use after scope by @lfos in https://github.com/Alexays/Waybar/pull/4410
* Prevent child zombie process from tearing down Hyprland IPC by @lfos in https://github.com/Alexays/Waybar/pull/4408
* Support millisecond precision for script intervals by @aidansunbury in https://github.com/Alexays/Waybar/pull/4390
* bugfix: expanding wildcards in config includes (#4354) by @Arkoniak in https://github.com/Alexays/Waybar/pull/4373
* Moved workspace id failing to parse from an error to part of the trace by @labruzese in https://github.com/Alexays/Waybar/pull/4358
* fix(flake): fix formatter configuration by @khaneliman in https://github.com/Alexays/Waybar/pull/4371
* Fix module and tray item staying in hover state after opening menu by @rellimn in https://github.com/Alexays/Waybar/pull/4372
* fix: display icons for userwide installed applications by @seschwar in https://github.com/Alexays/Waybar/pull/4387
* [hyprland/workspaces] Taskbar improvements by @pol-rivero in https://github.com/Alexays/Waybar/pull/4395
* feat(niri/language): add CSS classes by @workflow in https://github.com/Alexays/Waybar/pull/4507
* Fix: style: show active workspace on hyprland by @kolayne in https://github.com/Alexays/Waybar/pull/4458
* Fix: styling: set gamemode icon size and spacing to 0 if use-icon is false by @winkelnp in https://github.com/Alexays/Waybar/pull/4448
* feat: Add ISO 8601 calendar to clock module by @edeustua in https://github.com/Alexays/Waybar/pull/4246
* Fixes #4521 and #4522 by @lairez in https://github.com/Alexays/Waybar/pull/4525
* fix: Correct the error in converting network speed units by @DreamMaoMao in https://github.com/Alexays/Waybar/pull/4518
* fix: right and middle button not work in ext/workspace module by @DreamMaoMao in https://github.com/Alexays/Waybar/pull/4516
* Fix Hyprland IPC thread sanitizer warning, other IPC & general fixes by @zjeffer in https://github.com/Alexays/Waybar/pull/4359
* fix: resolve memory leak by removing old CSS provider before reloading CSS styles by @NicolasBuchin in https://github.com/Alexays/Waybar/pull/4560
* fix(pulseaudio-slider): Use `background` in CSS example by @carljustineoyales in https://github.com/Alexays/Waybar/pull/4559
* fix: FMT version update from 11.0.2 to 12.0.0 by @kosa12 in https://github.com/Alexays/Waybar/pull/4546
* backlight: gracefully handle a null epoll device by @aanderse in https://github.com/Alexays/Waybar/pull/4541
* cava bump

_[Truncated at 4000 characters — full notes: https://github.com/Alexays/Waybar/releases/tag/0.15.0]_