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Latest news

Open SimpleX Network News channel

SimpleX Supporter Badges — Send Larger Files That Stay Available Longer, Without Being Identified

19 Sep 2026

Supporter badges are available in v7.1 beta: a badge on your profile, larger files and longer file storage — and the purchase cannot be linked to your profile.

Investors in our equity crowdfunding receive badges as perks.

If you invest $500 or more by November 22, you will also receive a public SimpleX name for 5 years. Learn more and invest on Wefunder.

Nick Rogers: Why I Backed SimpleX Chat in 2022, and Why I Doubled Down

08 Sep 2026

Blog post by Nick Rogers, early investor and advisor of SimpleX Chat, founder of Fieldwork, former CPO & CTO of Stream.

Equity Crowdfunding Launched — You Can Get a Stake in SimpleX Chat

20 Aug 2026

SimpleX is the first and the only messaging network without user identifiers of any kind. Our equity crowdfunding round is now launched on Wefunder, so network users, and anybody else, can get a stake in SimpleX Chat.

Learn more and invest on Wefunder.

SimpleX Public Names — a Name Nobody Can Take From You

22 Jul 2026

You can now give your channel or business a test SimpleX name — from v7-beta.

SimpleX Channels, SimpleX Network Consortium and Community Crowdfunding — to Preserve Freedom of Speech

30 Apr 2026

Freedom of speech needs infrastructure that protects it by design — protocols, governance and funding.

v6.5 release brings SimpleX Channels: a new model for online publishing built for participation privacy.

SimpleX Chat v6.4.1: welcome your contacts, review members to protect groups, and more.

29 Jul 2025

v6.4.1 is released:

welcome your contacts: set your profile bio and welcome message.
protect your communities from spam and abuse: review new members ("knocking").
set default time to delete messages for new contacts.
improved app integrity: Linux app builds are now reproducible.

Also, we added 3 new interface languages to Android and desktop apps thanks to our users: Indonesian, Romanian and Vietnamese.

SimpleX network: new experience of connecting with people — available in SimpleX Chat v6.4-beta.4

03 Jul 2025

Now you can start talking to your contacts much faster, as soon as you scan the link. This technical post covers the technology that enabled this new user experience — short links and associated data of messaging queues.

SimpleX Chat v6.3: new user experience and safety in public groups

08 Mar 2025

v6.3 is released:

Preventing spam and abuse in public groups.
Group improvements: mention other members and improved performance.
Better chat navigation: organize chats into lists and jump to found and forwarded messages.
Privacy and security improvements: chat retention period and private media file names.

Also, we added Catalan interface language, thanks to our users and Weblate.

The last but not the least - server builds are now reproducible!

SimpleX network: large groups and privacy-preserving content moderation

14 Jan 2025

This post explains how server operators can moderate end-to-end encrypted conversations without compromising user privacy or end-to-end encryption.

Oppose digital IDs – they break the law and lead to mass scale surveillance

18 Dec 2024

Starting next year, the UK government plans to introduce digital ID cards for the young people to prove their age when visiting pubs.

SimpleX network: preset servers operated by Flux, business chats and more with v6.2 of the apps

10 Dec 2024

v6.2 is released:

SimpleX Chat and Flux made an agreement to include Flux-operated servers into the app to improve metadata privacy in SimpleX network.
Business chats for better privacy and support of your customers.
Better user experience: open on the first unread, jump to quoted messages, see who reacted.
Improving notifications in iOS app.

Servers operated by Flux - true privacy and decentralization for all users

25 Nov 2024

Welcome, Flux — the new servers in v6.2-beta.1!
What's the problem?
Using two operators improves connection privacy.
SimpleX decentralization compared with Matrix, Session and Tor.
What's next for SimpleX decentralization?

Wired’s Attack on Privacy

16 Oct 2024

The Wired article by David Gilbert focusing on neo-Nazis moving to SimpleX Chat following the Telegram's changes in privacy policy is biased and misleading. By cherry-picking information from the report by the Institute for Strategic Dialogue (ISD), Wired fails to mention that SimpleX network design prioritizes privacy in order to protect human rights defenders, journalists, and everyday users who value their privacy.

SimpleX network: cryptographic design review by Trail of Bits, v6.1 released with better calls and user experience.

14 Oct 2024

New security audit!

Trail of Bits reviewed the cryptographic design of protocols used in SimpleX network and apps.

v6.1 is released:

Better calls: switch audio and video during the call.
Better iOS notifications: improved delivery, reduced traffic usage.
Better user experience: switch chat profiles, customizable message shapes, forward up to 20 messages.

SimpleX network: the investment from Jack Dorsey and Asymmetric, v6.0 released with the new user experience and private message routing.

14 Aug 2024

SimpleX Chat vision and funding 2.0: past, present, future.

Announcing the investment from Jack Dorsey and Asymmetric.

v6.0 is released:

Private message routing - enabled by default
New chat experience: - connect to your friends faster. - new reachable interface. - and much more!
Improved networking and battery usage

The Future of Privacy: Enforcing Privacy Standards

04 Jul 2024

It's time we shift the focus: privacy should be a non-negotiable duty of technology providers, not just a right users must fight to protect, and not something that users can be asked to consent away as a condition of access to a service.

SimpleX network: private message routing, v5.8 released with IP address protection and chat themes

04 Jun 2024

v5.8 is released:

private message routing.
server transparency.
protect IP address when downloading files & media.
chat themes* for better conversation privacy.
group improvements - reduced traffic and additional preferences.
improved networking, message and file delivery.

Also, we added Persian interface language*, thanks to our users and Weblate.

Android and desktop apps only.

Protecting Children's Safety Requires End-to-End Encryption

01 Jun 2024

As lawmakers grapple with the serious issue of child exploitation online, some proposed solutions would fuel the very problem they aim to solve.

SimpleX: Redefining Privacy by Making Hard Choices

16 May 2024

When it comes to open source privacy tools, the status quo often dictates the limitations of existing protocols and structures. However, these norms need to be challenged to radically shift how we approach genuinely private communication. This requires doing some uncomfortable things, like making hard choices as it relates to funding, alternative decentralization models, doubling down on privacy over convenience, and more.

In this post we explain a bit more about why SimpleX operates and makes decisions the way it does:

No user accounts.
Privacy over convenience.
Network decentralization.
Funding and profitability.
Company jurisdiction.

SimpleX network: legally binding transparency, v5.7 released with better calls and messages

26 Apr 2024

Legally binding transparency

We published Transparency Reports, Security Policy, and Frequently Asked Questions, and updated Privacy Policy.
We are committed to have full consistency between marketing promises and legally binding documents.

v5.7 is released:

quantum resistant end-to-end encryption with all contacts.
forward and save messages without revealing the source.
in-call sounds and switching sound sources.
better network connection management.
customizable profile images.

The dangers of metadata in messengers

16 Apr 2024

By Esra'a al Shafei

It's important not to be complacent with the current standards of messaging, where metadata aggregation is still normalized in apps falsely and dangerously marketed as "private". This is a post exploring the fundamental differences between privacy and security.

Why I joined SimpleX Chat - by Esra'a al Shafei

04 Apr 2024

By Esra'a al Shafei

Transitioning from a lifelong career dedicated to nonprofits, including Board roles at organizations like the Wikimedia Foundation, Access Now and Tor, my decision to join SimpleX Chat may come as a surprise to some. But, as I step into this new chapter, I want to share the insights and convictions that have guided me here, shedding light on what I think sets SimpleX Chat apart and why this move feels like an essential learning opportunity.

SimpleX network: real privacy and stable profits, non-profits for protocols, v5.6 released with quantum resistant e2e encryption and simple profile migration

23 Mar 2024

SimpleX network: deliver real privacy via a profitable business and non-profit protocol governance:

community and business interests are aligned.
the journey to the decentralized non-profit protocol governance.
welcome, Esra'a!

v5.6 is released:

quantum resistant end-to-end encryption (BETA) - enable it for the new contacts.
use the app during the audio and video calls.
migrate all app data to another device via QR code.
blocking members and many other improvements.

SimpleX Chat v5.6 (beta): adding quantum resistance to Signal double ratchet algorithm

14 Mar 2024

This is a major upgrade for SimpleX Chat messaging protocols!

This post also covers various aspects of end-to-end encryption:

Why do we need end-to-end encryption?
Why encryption is even allowed?
End-to-end encryption security: attacks and defence.
How secure is encryption in different messengers?
When can you start using quantum resistant chats?
Next for post-quantum crypto - all direct chats, small groups and security audit

SimpleX Chat: free infrastructure from Linode, v5.5 released with private notes, group history and a simpler UX to connect.

24 Jan 2024

SimpleX Chat infrastructure on Linode:

free infrastructure.
SimpleX servers in Linode Marketplace.
high capacity messaging servers.

v5.5 is released:

private notes.
group history
simpler UX to connect to other people
message delivery, battery usage and other improvements

Also, the app interface is now available in Hungarian and Turkish - thanks to our users.

SimpleX Chat Android and desktop apps are now available in 20 languages!

SimpleX Chat v5.4 - link mobile and desktop apps via quantum resistant protocol, and much better groups.

25 Nov 2023

v5.4 is released:

Link mobile and desktop apps via secure quantum-resistant protocol. 🔗
Better groups: - faster to join and more reliable. - create groups with incognito profile. - block group members to reduce noise. - prohibit files and media in a group.
Better calls: faster to connect, with screen sharing on desktop.
Many other improvements.

SimpleX Chat v5.3 released: desktop app, local file encryption and improved groups with directory service

25 Sep 2023

v5.3 is released:

new desktop app! 💻
encrypt locally stored files & media
directory service and other group improvements
simplified incognito mode
better app responsiveness, stability and 40% reduced memory usage.
new privacy settings: show last messages & save draft.

Also, our users added 6 new interface languages - Arabic*, Bulgarian, Finnish, Hebrew*, Thai and Ukrainian.

Android app only.

SimpleX Chat v5.2 released: message delivery receipts

22 Jul 2023

v5.2 is released:

message delivery receipts! ✅
filter favorite and unread chats
better disappearing messages
prohibit message reactions
more usable groups: - view full original replied message in info. - share your address via your chat profile - search new and existing members
stability improvements: - keep your connections working after restoring from backup. - restart app (Android) or reconnect servers (iOS) - more stable connections and message delivery

Platform evolution:

problems of public groups and their future
what about read receipts?

SimpleX Chat v5.1 released: message reactions and self-destruct passcode

23 May 2023

v5.1 is released:

message reactions 🚀
improved messages: - voice messages up to 5 minutes - custom time to disappear - message editing history
new design and customizable themes you can share*!
self-destruct passcode

Also, the app interface is now available in Japanese and Portuguese (Brazil)* - thanks to our users!

Android app only.

SimpleX Chat: vision and funding, v5.0 released with videos and files up to 1gb

22 Apr 2023

SimpleX Chat vision and funding:

why is it a commercial company?
how is it funded and what is the business model?
what is next?

v5.0 is released:

send videos and files up to 1gb
app passcode independent from system authentication
networking improvements

Also, the app interface is now available in Polish - thanks to our users.

SimpleX Chat apps are now available in 10 languages!

SimpleX Chat v4.6 – with hidden profiles, community moderation, improved audio/video calls and reduced battery usage.

28 Mar 2023

v4.6 is released:

ARMv7a and Android 8+ - 2x more supported devices!
hidden chat profiles
community moderation
improved audio/video calls
reduced battery usage
SMP server monitoring: status bot and page

Also, the app interface is now available in Chinese and Spanish - thanks to our users!

SimpleX File Transfer Protocol - a new protocol for sending large files efficiently, privately and securely.

01 Mar 2023

CLI and relays implementing the new XFTP protocol are released - you can use them now!

SimpleX Chat v4.5 released – with multiple chat profiles, message draft, transport isolation and Italian language!

04 Feb 2023

v4.5 is released:

multiple chat profiles!
message draft
transport isolation
reduced battery usage
private filenames

Also, the app interface is now available in Italian - thanks to Weblate and our users!

SimpleX Chat v4.4 released – with disappearing messages, live messages, connection security verification and French language!

03 Jan 2023

v4.4 is released:

disappearing messages!
live messages
connection security verification
support for GIFs and stickers

Also, the app interface is now available in French - thanks to Weblate and our users!

SimpleX Chat reviews and v4.3 released – with instant voice messages, irreversible deletion of sent messages and improved server configuration.

06 Dec 2022

SimpleX Chat November reviews:

Privacy Guides recommendations.

Review by Mike Kuketz.

The messenger matrix.

Supernova review and messenger ratings.

v4.3 is released:

instant voice messages!
irreversible deletion of sent messages for all recipients
improved SMP server configuration and support for server passwords
privacy and security improvements: protect app screen, SimpleX links security, etc.

Security assessment by Trail of Bits, the new website and v4.2 released

08 Nov 2022

"Have you been audited or should we just ignore you?"

SimpleX Chat security has been assessed by Trail of Bits, 4 issues were identified, and 3 of them are fixed in v4.2.

The new website is live: https://simplex.chat

v4.2 is released:

group links — admins can create the links for new members to join
auto-accept contact requests + configure whether to accept incognito and welcome message
small things: change group member role, mark chat as unread, send stickers and GIFs from Android keyboards.
manually switch contact or member to another address / server (BETA)
receive files faster (BETA)

SimpleX Chat v4.0 with encrypted database is released

28 Sep 2022

Added:

encrypted local chat database — if you already use the app, you can encrypt the database in the app settings
support for self-hosted WebRTC ICE servers
improved stability of creating new connections: more reliable groups, files and contacts
deleting files and media — for security and to save storage
For developers — TypeScript SDK for integrating with SimpleX Chat
support animated images in Android app
German language in mobile apps UI