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Comparison · Comms
Element vs Mailu
A side-by-side editorial comparison of Element and Mailu — release velocity, themes, recent moves, and the top alternatives to consider.
Element vs Mailu: at a glance
What is Element?
Element rebuilds its timeline with MVVM architecture while cutting legacy OS support in v1.12.28.
Element, the open-source Matrix messaging client, ships on a stable two-week release cadence and is currently at v1.12.28. The project is mid-way through a multi-part Timeline MVVM refactor (parts 1 and 2 in v1.12.26 and v1.12.27), restructuring the core room timeline component. The v1.12.28 release raises the minimum glibc requirement to 2.34, ending support for Debian bullseye and Ubuntu releases older than 22.04.
What is Mailu?
Mailu ships one pinned release per issue, and most of them are Roundcube's.
The 2024.06 branch releases on demand: an issue or PR comes in, a pinned version goes out, and the changelog is one or two lines. Four of the six most recent releases are webmail-driven — three Roundcube bumps in this window alone, the latest to 1.6.18 clearing a TLS-configuration warning, an earlier one to 1.6.17 closing two CVEs. The remainder are Mailu's own code: an X-Forwarded-By header fix tied to a published advisory, sieve field escaping that repaired autoreplies and closed an injection path, and two admin-UI form flow corrections.
Element vs Mailu: editorial side-by-side
Element
5.0COMMS
Element rebuilds its timeline with MVVM architecture while cutting legacy OS support in v1.12.28.
◆ Current state
Element, the open-source Matrix messaging client, ships on a stable two-week release cadence and is currently at v1.12.28. The project is mid-way through a multi-part Timeline MVVM refactor (parts 1 and 2 in v1.12.26 and v1.12.27), restructuring the core room timeline component. The v1.12.28 release raises the minimum glibc requirement to 2.34, ending support for Debian bullseye and Ubuntu releases older than 22.04.
◆ Where it's heading
The Timeline MVVM series is the defining architectural investment of this window — replacing the legacy timeline rendering with a proper view-model separation. This is foundational work that typically precedes faster feature delivery on the timeline surface (thread UX, call integration, richer message types). Parallel work promoting Custom Themes to devtools and updating bundle configurations signals cleanup of the extension and theming surface alongside the core refactor.
◆ Prediction
A Timeline MVVM part 3 or final integration is the immediate next step; once complete, expect improved thread UX or voice/video call timeline integration as the first beneficiaries of the new architecture.
Mailu
5.0COMMS
Mailu ships one pinned release per issue, and most of them are Roundcube's.
◆ Current state
The 2024.06 branch releases on demand: an issue or PR comes in, a pinned version goes out, and the changelog is one or two lines. Four of the six most recent releases are webmail-driven — three Roundcube bumps in this window alone, the latest to 1.6.18 clearing a TLS-configuration warning, an earlier one to 1.6.17 closing two CVEs. The remainder are Mailu's own code: an X-Forwarded-By header fix tied to a published advisory, sieve field escaping that repaired autoreplies and closed an injection path, and two admin-UI form flow corrections.
◆ Where it's heading
This is a maintenance branch behaving exactly as a maintenance branch should, and the pinned-version model is the product: operators get upstream security work packaged and tagged without tracking Roundcube themselves. The security items divide cleanly — most arrive from bundled components, a minority from Mailu's own code, and the project patches both on the same cadence. Nothing in this window suggests new capability is being developed on this branch.
◆ Prediction
Expect the next release to follow the same trigger: a Roundcube advisory or a client compatibility report producing a single-line changelog and a new pinned tag. Any feature work would be happening on the main version, which this feed does not cover.
Alternatives to Element and Mailu
Other Comms products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Element or Mailu.
Chatwoot
Chatwoot is building an AI-first support platform, with Captain gaining audience targeting and macro automation reaching the keyboard-native workflow.
Signal Desktop
Signal adds granular notification controls: badge content, muted threads, restore defaults
Zoho Cliq
Zoho Cliq 7.0 bets on AI conversation summaries and Neat hardware to close the gap with enterprise messaging platforms
Krisp
Krisp adds deepfake detection and expands Voice Translation as its Call Center AI platform deepens enterprise compliance tools.
Netcore Cloud
Netcore's recent entries are blog content, not product releases — the signal is a BFSI and ecommerce vertical sales push.
See all Element alternatives → · See all Mailu alternatives →
Recent activity from Element and Mailu
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 13h agoElementElement v1.12.28: glibc 2.34 minimum, drops Debian bullseye
- 7d agoElementElement Banner module v2.0.0
- 7d agoElementElement v1.12.28-rc.1
- 7d agoElementElement v1.12.28-rc.0
- 15d agoElementElement v1.12.27: Timeline MVVM part 2
- 19d agoElementElement v1.12.27-rc.1
- 1mo agoMailuRoundcube 1.6.18 bump clears a TLS-config warning
- 1mo agoMailuAutoconfig fix for modern K-9 Mail
- 1mo agoMailuRoundcube 1.6.17 closes two CVEs
- 2mo agoMailuSets X-Forwarded-By in response to a GHSA advisory
- 2mo agoMailuAdmin UI keeps form values on failed submit
- 2mo agoMailuEscapes sieve fields, fixing autoreplies with special characters
Frequently asked questions
What is the difference between Element and Mailu?
They serve adjacent needs but don't currently overlap on shipped themes. Element and Mailu are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Element better than Mailu?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Element and Mailu are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Comms products to evaluate alongside.
What are the best alternatives to Element?
Top Element alternatives in Comms are ranked by recent ship velocity. Browse the "Element alternatives" section above for the current picks, or visit /alternatives/element-web for the full list with editorial commentary on each.
What are the best alternatives to Mailu?
Top Mailu alternatives in Comms are ranked by recent ship velocity. Browse the "Mailu alternatives" section above for the current picks, or visit /alternatives/mailu for the full list with editorial commentary on each.