--- title: Recent Developments Part II | daily.dev description: A GNOME developer describes extending librebonjour, his abstraction over Avahi and systemd-resolved for service discovery via D-Bus. He found that a recent... canonical: https://daily.dev/posts/recent-developments-part-ii-j41yqoadw twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Recent Developments Part II | daily.dev og:description: A GNOME developer describes extending librebonjour, his abstraction over Avahi and systemd-resolved for service discovery via D-Bus. He found that a recent... og:url: https://daily.dev/posts/recent-developments-part-ii-j41yqoadw og:image: https://api.daily.dev/og/posts/J41yQOaDw.png og:image:alt: Recent Developments Part II og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Recent Developments Part II **[Happenings in GNOME](https://daily.dev/sources/chergert)** · 2 min read · 0 upvotes · 0 comments ## Summary A GNOME developer describes extending librebonjour, his abstraction over Avahi and systemd-resolved for service discovery via D-Bus. He found that a recent systemd checkout already added change notification support over its varlink interface, and after contributing a handful of commits to fix client disconnection and isolation handling, he was able to bring that notification feature into librebonjour, removing the need for inefficient polling and cutting another dependency from his system. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### Does systemd-resolved support notifying applications automatically when service discovery results change, like Avahi does? A recent systemd checkout added support for change notifications over its varlink interface, closing a gap where systemd-resolved previously lacked the automatic notification capability that Avahi provides. Before this, applications had to poll periodically and diff old and new result sets to detect changes, which was inefficient. A small set of commits was needed to properly hoist functionality and handle client disconnection and isolation. _Developers tracking systemd internals like varlink notifications can follow ecosystem changes on daily.dev._ --- Tags: [#linux](https://daily.dev/tags/linux), [#architecture](https://daily.dev/tags/architecture) [View this post on daily.dev](https://daily.dev/posts/recent-developments-part-ii-j41yqoadw) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Recent Developments Part II","url":"https://daily.dev/posts/recent-developments-part-ii-j41yqoadw","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/recent-developments-part-ii-j41yqoadw"},"datePublished":"2026-08-31T05:54:37.386Z","dateModified":"2026-08-31T05:55:29.193Z","description":"A GNOME developer describes extending librebonjour, his abstraction over Avahi and systemd-resolved for service discovery via D-Bus. He found that a recent...","image":"https://media.daily.dev/image/upload/s--VDukGCjf--/f_auto/v1722860399/public/Placeholder%2002","thumbnailUrl":"https://media.daily.dev/image/upload/s--VDukGCjf--/f_auto/v1722860399/public/Placeholder%2002","isAccessibleForFree":true,"articleSection":"Happenings in GNOME","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Happenings in GNOME","logo":"https://media.daily.dev/image/upload/logos/placeholder.jpg","url":"https://daily.dev/sources/chergert"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/recent-developments-part-ii-j41yqoadw","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"linux,architecture","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Happenings in GNOME","item":"https://daily.dev/sources/chergert"},{"@type":"ListItem","position":3,"name":"Recent Developments Part II"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/recent-developments-part-ii-j41yqoadw#faq","mainEntity":[{"@type":"Question","name":"Does systemd-resolved support notifying applications automatically when service discovery results change, like Avahi does?","acceptedAnswer":{"@type":"Answer","text":"A recent systemd checkout added support for change notifications over its varlink interface, closing a gap where systemd-resolved previously lacked the automatic notification capability that Avahi provides. Before this, applications had to poll periodically and diff old and new result sets to detect changes, which was inefficient. A small set of commits was needed to properly hoist functionality and handle client disconnection and isolation. Developers tracking systemd internals like varlink notifications can follow ecosystem changes on daily.dev."}}]} ```