blog: v6.2 announcement (#5359)

* blog: v6.2 announcement

* update, images

* update

* readme

* correction

* update
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@ -233,7 +233,7 @@ You can use SimpleX with your own servers and still communicate with people usin
Recent and important updates:
[Nov 25, 2025. Servers operated by Flux - true privacy and decentralization for all users](./20241125-servers-operated-by-flux-true-privacy-and-decentralization-for-all-users.md)
[Dec 10, 2024. SimpleX network: preset servers operated by Flux, business chats and more with v6.2 of the apps](./20241210-simplex-network-v6-2-servers-by-flux-business-chats.md)
[Oct 14, 2024. SimpleX network: security review of protocols design by Trail of Bits, v6.1 released with better calls and user experience.](./blog/20241014-simplex-network-v6-1-security-review-better-calls-user-experience.md)
@ -243,20 +243,14 @@ Recent and important updates:
[Mar 14, 2024. SimpleX Chat v5.6 beta: adding quantum resistance to Signal double ratchet algorithm.](./blog/20240314-simplex-chat-v5-6-quantum-resistance-signal-double-ratchet-algorithm.md)
[Jan 24, 2024. SimpleX Chat: free infrastructure from Linode, v5.5 released with private notes, group history and a simpler UX to connect.](./blog/20240124-simplex-chat-infrastructure-costs-v5-5-simplex-ux-private-notes-group-history.md)
[Nov 25, 2023. SimpleX Chat v5.4 released: link mobile and desktop apps via quantum resistant protocol, and much better groups](./blog/20231125-simplex-chat-v5-4-link-mobile-desktop-quantum-resistant-better-groups.md).
[Sep 25, 2023. SimpleX Chat v5.3 released: desktop app, local file encryption, improved groups and directory service](./blog/20230925-simplex-chat-v5-3-desktop-app-local-file-encryption-directory-service.md).
[Apr 22, 2023. SimpleX Chat: vision and funding, v5.0 released with videos and files up to 1gb](./blog/20230422-simplex-chat-vision-funding-v5-videos-files-passcode.md).
[Mar 1, 2023. SimpleX File Transfer Protocol send large files efficiently, privately and securely, soon to be integrated into SimpleX Chat apps.](./blog/20230301-simplex-file-transfer-protocol.md).
[Nov 8, 2022. Security audit by Trail of Bits, the new website and v4.2 released](./blog/20221108-simplex-chat-v4.2-security-audit-new-website.md).
[Sep 28, 2022. v4.0: encrypted local chat database and many other changes](./blog/20220928-simplex-chat-v4-encrypted-database.md).
[All updates](./blog)
## :zap: Quick installation of a terminal app
@ -384,9 +378,11 @@ Please also join [#simplex-devs](https://simplex.chat/contact#/?v=1-2&smp=smp%3A
- ✅ Improve sending videos (including encryption of locally stored videos).
- ✅ Post-quantum resistant key exchange in double ratchet protocol.
- ✅ Message delivery relay for senders (to conceal IP address from the recipients' servers and to reduce the traffic).
- ✅ Support multiple network operators in the app.
- 🏗 Large groups, communities and public channels.
- 🏗 Short links to connect and join groups.
- 🏗 Improve stability and reduce battery usage.
- 🏗 Improve experience for the new users.
- 🏗 Large groups, communities and public channels.
- Privacy & security slider - a simple way to set all settings at once.
- SMP queue redundancy and rotation (manual is supported).
- Include optional message into connection request sent via contact address.

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@ -68,7 +68,7 @@ So, for Android we can now deliver instant message notifications without comprom
Please let us know what needs to be improved - it's only the first version of instant notifications for Android!
## Our iOS approach has one trade-off
## iOS notifications require a server
iOS is much more protective of what apps are allowed to run on the devices, and the solution that worked on Android is not viable on iOS.

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---
layout: layouts/article.html
title: "Servers operated by Flux - true privacy and decentralization for all users"
title: "SimpleX network: preset servers operated by Flux, business chats and more with v6.2 of the apps"
date: 2024-12-10
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# image: images/simplexonflux.png
# imageWide: true
draft: true
previewBody: blog_previews/20241210.html
image: images/20241210-operators.png
permalink: "/blog/20241210-simplex-network-v6-2-servers-by-flux-business-chats.html"
---
# SimpleX network: preset servers operated by Flux, business chats and more with v6.2 of the apps
**Will be published:** Dec 10, 2024
**Published:** Dec 10, 2024
This is a placeholder page for the upcoming v6.2 release announcement!
What's new in v6.2:
- Preset servers are now operated by two companies - SimpleX Chat and Flux. Read [this post](./20241125-servers-operated-by-flux-true-privacy-and-decentralization-for-all-users.md).
- Business chats to provide support from your business to users of SimpleX network. Read [this page](../docs/BUSINESS.md).
- and more!
- [SimpleX Chat and Flux](#simplex-chat-and-flux-improve-metadata-privacy-in-simplex-network) improve metadata privacy in SimpleX network.
- [Business chats](#business-chats) to provide support from your business to users of SimpleX network.
- [Better user experience](#better-user-experience): open on the first unread, jump to quoted messages, see who reacted.
- [Improving notifications in iOS app](#improving-notifications-in-ios-app).
## What's new in v6.2
### SimpleX Chat and Flux improve metadata privacy in SimpleX network
<img src="./images/20241210-operators-2.png" width=288 class="float-to-right"> <img src="./images/20241210-operators-1.png" width=288 class="float-to-right">
SimpleX Chat and [Flux](https://runonflux.com) (Influx Technology Limited) made an agreement to include messaging and file servers operated by Flux into the app.
SimpleX network is decentralized by design, but in the users of the previous app versions had to find other servers online or host servers themselves to use any other servers than operated by us.
Now all users can choose between servers of two companies, use both of them, and continue using any other servers they host or available online.
To use Flux servers enable them when the app offers it, or at any point later via Network & servers settings in the app.
When both SimpleX Chat and Flux servers are enabled, the app will use servers of both operators in each connection to receive messages and for [private message routing](./20240604-simplex-chat-v5.8-private-message-routing-chat-themes.md), increasing metadata privacy for all users.
Read more about why SimpleX network benefits from multiple operators in [our previous post](./20241125-servers-operated-by-flux-true-privacy-and-decentralization-for-all-users.md).
You can also read about our plan [how network operators will make money](https://github.com/simplex-chat/simplex-chat/blob/stable/docs/rfcs/2024-04-26-commercial-model.md), while continuing to protect users privacy, based on network design rather than on trust to operators, and without any cryptocurrency emission.
### Business chats
<img src="./images/20241210-business.png" width=288 class="float-to-right">
We use SimpleX Chat to provide support to SimpleX Chat users, and we also see some other companies offering SimpleX Chat as a support channel.
One of the problem of providing support via general purpose messengers is that the customers don't see who they talk to, as they can in all dedicated support systems.
It is not possible in most messengers, including SimpleX Chat prior to v6.2 - every new customer joins a one-to-one conversation, where the customers see that they talk to a company, not knowing who they talk to, and if it's a bot or a human.
The new business chats in SimpleX Chat solve this problem: to use them enable the toggle under the contact address in your chat profile. It is safe to do, and you can always toggle it off, if needed - the address itself does not change.
Once you do it, the app will be creating a new business chat with each connecting customer where multiple people can participate. Business chat is a hybrid of one-to-one and group conversation. In the list of chats you will see customer names and avatars, and the customer will see your business name and avatar, like with one-to-one conversations. But inside it works as a group, allowing customer to see who sent the message, and allowing you to add other participants from the business side, for delegation and escalation of customer questions.
This can be done manually, or you can automate these conversations using bots that can answer some customer questions and then add a human to the conversation when appropriate or requested by the customer. We will be offering more bot-related features to the app and a simpler way to program bots very soon - watch our announcements.
### Better user experience
<img src="./images/20241210-reactions.png" width=288 class="float-to-right">
**Chat navigation**
This has been a long-standing complaint from the users: *why does the app opens conversations on the last message, and not on the first unread message*?
Android and desktop apps now open the chat on the first unread message. It will soon be done in the iOS app too.
Also, the app can scroll to the replied message anywhere in the conversation (when you tap it), even if it was sent a very long time ago.
**See who reacted!**
This is a small but important change - you can now see who reacted to your messages!
### Improving notifications in iOS app
iOS notifications in a decentralized network is a complex problems. We [support iOS notifications](./20220404-simplex-chat-instant-notifications.md#ios-notifications-require-a-server) from early versions of the app, focussing on preserving privacy as much as possible. But the reliability of notifications was not good enough.
We solved several problems of notification delivery in this release:
- messaging servers no longer lose notifications while notification servers are restarted.
- Apple can drop notifications while your device is offline - about 15-20% of notifications are dropped because of it. The servers and the new version of the app work around this problem by delivering several last notifications, to show notifications correctly even when Apple drops them.
With these changes the iOS notifications remained as private and secure as before. The notifications only contain metadata, without the actual messages, and even the metadata is end-to-end encrypted between SimpleX notification servers and the client device, inaccessible to Apple push notification servers.
There are two remaining problems we will solve soon:
- iOS only allows to use 25mb of device memory when processing notifications in the background. This limit didn't change for many years, and it is challenging for decentralized design. If the app uses more memory, iOS kills it and the notification is not shown approximately 10% of notifications can be lost because of that.
- for notifications to work, the app communicates with the notification server. If the user puts the app in background too quickly, the app may fail to enable notification for the new contacts. We plan to change clients and servers to delegate this task to messaging servers, to remove the need for this additional communication entirely, without any impact on privacy and security. This will happen early next year.
## SimpleX network

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# Blog
Nov 25, 2025 [Servers operated by Flux - true privacy and decentralization for all users](./20241125-servers-operated-by-flux-true-privacy-and-decentralization-for-all-users.md)
Dec 10, 2024 [SimpleX network: preset servers operated by Flux, business chats and more with v6.2 of the apps](./20241210-simplex-network-v6-2-servers-by-flux-business-chats.md)
- 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.
--
Nov 25, 2024 [Servers operated by Flux - true privacy and decentralization for all users](./20241125-servers-operated-by-flux-true-privacy-and-decentralization-for-all-users.md)
- Welcome, Flux - the new servers in v6.2-beta.1!
- What's the problem?

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<p></p>
<ul>
<li><strong>Welcome, Flux</strong> &mdash; the new servers in <strong>v6.2-beta.1!</strong></li>
<li>What's the problem?</li>

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<p><strong>v6.2 is released:</strong></p>
<ul>
<li>SimpleX Chat and Flux made an agreement to include Flux-operated servers into the app to improve metadata privacy in SimpleX network.</li>
<li>Business chats for better privacy and support of your customers.</li>
<li>Better user experience: open on the first unread, jump to quoted messages, see who reacted.</li>
<li>Improving notifications in iOS app.</li>
</ul>