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Welcome to the XMPP Newsletter, great to have you here again! This issue covers the month of June 2026.
The XMPP Newsletter is brought to you by the XSF Communication Team.
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XSF Announcements
XMPP Summit 29
The XMPP Standards Foundation (XSF) is excited to announce the 29th XMPP Summit, the first XMPP Summit to take place fully online! This XMPP Summit will be held from Friday 4th September to Saturday 5th September 2026, both days between 13:00 - 16:00 UTC. The XSF invites everyone interested in development of XMPP technologies to attend, and discuss all things XMPP remotely!
XSF Membership
Being an elected member of the XMPP Standards Foundation signals a commitment to open standards and professional engagement in / with the XMPP community. Here, your membership helps position the XSF as a healthy organization, which in itself is valuable. It also grants voting rights on technical and administrative matters within the XSF. The application is a light-weight and free of cost process and you can use your membership to get more involved more easily, too. If you are interested in joining the XMPP Standards Foundation as a member, please apply to our 3rd quarterly call for members admission .
XMPP Events
(DE / EN): during Friday June 19th to Sunday June 21st 2026, various developers had good discussions, tasty food, and did some programming! There was work on message edits in , stateless file sharing in , fixes for the next release of , OMEMO+PubSub improvements in , a bigger update of stanza content encryption and its implementation, and some fixes on packages. Many thanks to the for hosting us, again! Wonderful location, kind people!
XMPP and DI.DAY: In the frame of the , a collaborative list of local-oriented channels has been started. This list can be accessed as a map on or as a list on . Feel free to complete it, or notify new rooms on the dedicated room mapofchannels@chat.yax.im, or via .
XMPP at PravConf 2026: This year’s edition of , a Free Software and XMPP themed conference, is being planned by the community from 4-5 July in Thiruvananthapuram, India. It will be followed by PravCamp on 6-7 July, a Sprint-inspired event where people sit together to work on Prav and other XMPP related things. Both events are held on college campuses and college students will get the chance to learn about XMPP too. Read more about it .
XMPP at FOSSY 2026: , the fourth Free and Open Source Software Yearly conference, has published the complete list of presentation on the XMPP Track, which will be as follows:
- On Saturday, August 08, in MCLD 3038:
- , by from 2:00 PM to 2:45 PM PDT.
- , by from 3:00 PM to 3:45 PM PDT.
- , by from 4:30 PM to 5:15 PM PDT.
- On Sunday, August 09, in MCLD 3038:
- , by from 10:45 AM to 11:30 AM PDT.
- , by from 11:45 AM to 12:30 PM PDT.
- , by from 2:00 PM to 2:45 PM PDT.
- , by from 3:00 PM to 3:45 PM PDT.
- On Saturday, August 08, in MCLD 3038:
XMPP Articles
- , by for the .
- and , by for the .
- , by for the . [PT_BR]
- , from the .
- as well as , by Timothée Jaussoin for the , by Timothée Jaussoin for the .
- , a desktop XMPP chat client built with Tcl/Tk for Linux and Windows with support for modern A/V calls and OMEMO e2ee. Still in pre-alpha state.
- , an XMPP bot that monitors RSS and Atom feeds and posts new articles to one or more MUC rooms. It specializes on Fediverse feeds. The code was AI generated and reviewed/tested by the author.
XMPP Software News
XMPP Clients and Applications
- has released versions , and of its encrypted instant messaging with video call and GPS features for Android. These versions introduce message retraction, remove merging of multiple messages in chat window, extend last message correction support to all other outgoing messages and not just the last sent message, support language translation for sent/received messages in chat/multi-user chat sessions with translation option that can be enabled/disabled per contact chat/multi-user chat session, and also bring improvements, quite a few fixes and lot of ‘under the hood’ changes. Please refer to the for all the details.
- has released version for Android. This releases adds Note to self as search suggestion and brings in minor bug fixes. Make sure to take a look at the for all the details!
- has released version of its open-source web-based XMPP chat client. This release adds support for OMEMO:2 encryption! It also adds new pubsub API methods to create, subscribe and unsubscribe, software version support and show the server’s software version in the profile modal, support for OMEMO 2 (
urn:xmpp:omemo:2) using stanza content encryption, detect omemo:2-only contacts as OMEMO-capable, with a whole lot of fixes and work under the hood!. All this also brings some backwards incompatible changes, so please go straight to the for all the details! - , has released versions , and , of its modern, cross-platform XMPP client for communities and organizations. These versions add OpenPGP end-to-end encryption — encrypted 1:1 messaging with passphrase-protected key storage and secret-key backup/restore, OpenPGP e2ee support in web version, Multi-TSK (Transferable Secret Key) handling in the backup restore flow for accounts with multiple OpenPGP keys, unread message count badge on avatar, compose messages offline and send on reconnect, support for room private messages ("whisper"), and a whole lot more along with a ton of changes and fixes. Please, go straight to the for all the details!
Fluux Messenger: Private whisper messages to a single room occupant
- has released version of its free and fully featured chat app for XMPP. This release brings support for modern OpenPGP encryption, message drafts are now persistent, which means after restarting Gajim, you can continue where you left off, group chats are now named after participants if no other name is available, disabling account while connecting has been fixed, and it also comes with many small improvements and bugfixes. Thank you for all your contributions!
Gajim: A message mentioning you
- has released versions , code named , and ! These new Movim milestones stabilize the important work done in the while introducing a completely redesigned conference-call experience. In this version, you can add dedicated conference-call rooms to your Spaces and explore the new video-call interface. Conference calls, rebuilt from the ground up, media renegotiation, new layouts and redesigned interface, new notification sounds, session management, other fixes and more!
Movim: Conference-Call Rooms in Spaces!
- has released version of its console based XMPP client. This release brings bug fixes to guard terminal writes while suspended, prevents OTR handshake from leaking presence to strangers, and silence ’no key’ error for key transport messages. Please make sure to read the for all the details!
XMPP Servers
- The is pleased to announce the release of . The highlights of this release include: SASL channel binding (with generous support from the ), a round of crypto hardening, an O(n²) bug that was causing 2-hour startup times on large deployments (now seconds), Java 25, and new first-class support for , and . Make sure to read the for all the details!
XMPP Libraries & Tools
- , a tool to send messages to an XMPP contact or MUC inspired by , version has been released. Full details on the .
- versions and have been released.
- , the XMPP client for , versions and have been released. Full details on the .
- , a implementation of the OMEMO Multi-End Message and Object Encryption protocol for XMPP, versions , , and have been released. This library supports both version 0.3.0, which is what most XMPP clients support today, and the latest version 0.9.1 (also known as OMEMO2 or NEWMEMO). The list of changes is larger and has more details and notices on breaking changes that what could ever be mentioned in here. Please refer to the full for all the details!
- , a plugin meant to provide a chat system for videos, versions and have been released. You can read all the details in the !
- , the cross-platform C++ XMPP client and server library, versions and have been released. Full details on the .
- , the to XMPP gateway based on and , version has been released. You can read the intermediate changelog from for all the details.
- , the MIT licensed XMPP library for Python 3.7+ version has been released. This release brings two new XEPs into the fold, and has quite a few internal changes as well. You can read the official for all the details. Breaking: The
get_certsmethod on XEP-0257 is now an async function, which breaks compatibility with previous usages. - , a JavaScript library for speaking XMPP via BOSH (XEP-0124 and XEP-0206) and WebSockets, version has been released. You can read the full for all the details.
- , a CLI tool to check XMPP SRV records, version has been released. Full details on the .
- , has released:
- , a DOM library quite specific for XMPP.
- , handles the SASL protocol.
- , a Python library that is targeted to provide easy scripting with Jabber, version has been released. Full details on the .
Extensions and specifications
The XMPP Standards Foundation develops extensions to XMPP in its XEP series in addition to XMPP RFCs. Developers and other standards experts from around the world collaborate on these extensions, developing new specifications for emerging practices, and refining existing ways of doing things. Proposed by anybody, the particularly successful ones end up as Final or Active - depending on their type - while others are carefully archived as Deferred. This life cycle is described in XEP-0001, which contains the formal and canonical definitions for the types, states, and processes. Read more about the standards process. Communication around Standards and Extensions happens in the ().
Proposed
The XEP development process starts by writing up an idea and submitting it to the XMPP Editor. Within two weeks, the Council decides whether to accept this proposal as an Experimental XEP.
- Jingle User Location
- This specification defines a Jingle application extension for negotiating and updating user location inside an active Jingle session using the XEP-0080 User Location payload.
- XMPP Decentralized ID (XID)
- XMPP Decentralized ID (XID) is a DNS independent XMPP entity identifier. This specification describes how to generate, use, and handle them.
- Jingle Synchronized Real-Time Text
- This specification defines a Jingle application extension for negotiating real-time text as part of the same conversational session as audio and video.
New
- Version 0.1.0 of XEP-0514 (Emoji Markup)
- Accepted as Experimental by council vote on 2026-05-12 (XEP Editor(dg))
- Version 0.1.0 of XEP-0515 (TLS Channel-Binding Downgrade Protection)
- Accepted as Experimental by council vote (XEP Editor (dg))
- Version 0.1.0 of XEP-0516 (XMPP Decentralized ID (XID))
- Accepted as Experimental by council vote (XEP Editor (dg))
- Version 0.1.0 of XEP-0517 (Jingle Synchronized Real-Time Text)
- Accepted as Experimental by council vote (XEP Editor (dg))
Deferred
If an experimental XEP is not updated for more than twelve months, it will be moved off Experimental to Deferred. If there is another update, it will put the XEP back onto Experimental.
- No XEPs deferred this month.
Updated
- Version 1.35.5 of XEP-0045 (Multi-User Chat)
- Fix
fromattribute in examples where the room itself sends a message. - Fix associated pubsub node field name in disco info example. (nc)
- Fix
- Version 0.5.0 of XEP-0420 (Stanza Content Encryption)
- The time affix uses the
DateTimeprofile of XEP-0082 - Longer rpads MUST NOT be rejected
- Add a minimum size target for random padding to add resistance against potential correlation attacks in case of short content and 0-length rpad
- Removed unhelpful Implementation
- Note warning about injection of decrypted stanzas
- Clarify fallback body policy
- Fix descriptions to apply to all stanzas instead of just messages
- Remove questionable SHOULD in the time affix handling and clarify the affix’es verification
- Request the registrar to provide a list of exclusively server-processed elements
- List XEP dependencies
- Add XML schema (syndace)
- The time affix uses the
- Version 0.1.1 of XEP-0514 (Emoji Markup)
- Remove outdated reference to BoB (techmetx11)
Last Call
Last calls are issued once everyone seems satisfied with the current XEP status. After the Council decides whether the XEP seems ready, the XMPP Editor issues a Last Call for comments. The feedback gathered during the Last Call can help improve the XEP before returning it to the Council for advancement to Stable.
- No Last Call this month.
Stable
- No stable XEPs this month.
Deprecated
- No XEPs deprecated this month.
Rejected
- No XEPs rejected this month.
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Newsletter Contributors & Translations
This is a community effort, and we would like to thank translators for their contributions. Volunteers and more languages are welcome! Translations of the XMPP Newsletter will be released here (with some delay):
Contributors:
- To this issue: emus, cal0pteryx, Gonzalo Raúl Nemmi, Ludovic Bocquet, anubis, Badri (badrihippo), XSF iTeam
Translations:
- : Adrien Bourmault (neox), alkino, anubis, Arkem, Benoît Sibaud, mathieui, nyco, Pierre Jarillon, Ppjet6, Ysabeau
- Italian: Mario Sabatino, Roberto Resoli
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This XMPP Newsletter is produced collaboratively by the XMPP community. Each month’s newsletter issue is drafted in this . At the end of each month, the pad’s content is merged into the . We are always happy to welcome contributors. Do not hesitate to join the discussion in our XSF Communications Team group chat (MUC) and thereby help us sustain this as a community effort. You have a project and want to spread the news? Please consider sharing your news or events here, and promote it to a large audience.
Tasks we do on a regular basis:
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- short summaries of news and events
- summary of the monthly communication on extensions (XEPs)
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