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Roundcube vs Element

A side-by-side editorial comparison of Roundcube and Element — release velocity, themes, recent moves, and the top alternatives to consider.

Shared themes:open-source

Roundcube vs Element: at a glance

FeatureRoundcubeElement
SectorCommsComms
Velocity score5.05.0
Sparks · 30d00
Top themessecurity, xss, ssrf, email-securitymatrix, open-source, messaging, mvvm
Last editorial update7d ago1h ago
WebsiteVisit →Visit →

What is Roundcube?

Roundcube patches 28+ vulnerabilities across two branches in a five-month hardening sprint

Roundcube has shipped six security releases across its main 1.7.x and LTS 1.6.x branches since June, patching a cumulative 28+ vulnerabilities including an RCE via the markasjunk plugin's cmd_learn driver, IMAP command injection through LITERAL+ byte-count desynchronization, multiple SSRF bypasses, cross-user contact group access, and zero-click stored XSS. The simultaneous dual-branch cadence shows active maintenance of both lines.

Read the full Roundcube trajectory →

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.

Read the full Element trajectory →

Roundcube vs Element: editorial side-by-side

R5.0

Roundcube patches 28+ vulnerabilities across two branches in a five-month hardening sprint

◆ Current state

Roundcube has shipped six security releases across its main 1.7.x and LTS 1.6.x branches since June, patching a cumulative 28+ vulnerabilities including an RCE via the markasjunk plugin's cmd_learn driver, IMAP command injection through LITERAL+ byte-count desynchronization, multiple SSRF bypasses, cross-user contact group access, and zero-click stored XSS. The simultaneous dual-branch cadence shows active maintenance of both lines.

◆ Where it's heading

The volume and variety of external security reports — from Horizon3.ai, Samsung R&D, pwn.ai, and independent researchers — indicates Roundcube's attack surface is under sustained scrutiny. The 1.7.0 release in May introduced meaningful features (Markdown rendering, improved OAuth2/OIDC, mandatory public_html entry point), but the months since have been consumed by patching. Feature development on 1.7.x appears paused until the security debt settles.

◆ Prediction

Another paired security release across 1.7.x and 1.6.x is likely within 6-8 weeks given the cadence. The SSRF and CSS parsing issues have required multiple iterations to close fully, suggesting the hardening work isn't finished.

E
Element
COMMS
5.0

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.

Alternatives to Roundcube and Element

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 Roundcube or Element.

See all Roundcube alternatives → · See all Element alternatives →

Recent activity from Roundcube and Element

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 6h agoElementElement v1.12.28: glibc 2.34 minimum, drops Debian bullseye
  2. 7d agoElementElement Banner module v2.0.0
  3. 7d agoElementElement v1.12.28-rc.1
  4. 7d agoElementElement v1.12.28-rc.0
  5. 10d agoRoundcubeRoundcube Webmail 1.7.4
  6. 10d agoRoundcubeRoundcube Webmail 1.6.19
  7. 15d agoElementElement v1.12.27: Timeline MVVM part 2
  8. 19d agoElementElement v1.12.27-rc.1
  9. 1mo agoRoundcubeRoundcube Webmail 1.7.3
  10. 1mo agoRoundcubeRoundcube Webmail 1.6.18
  11. 2mo agoRoundcubeRoundcube Webmail 1.6.17
  12. 2mo agoRoundcubeRoundcube Webmail 1.7.2

Frequently asked questions

What is the difference between Roundcube and Element?

Both compete on the same themes — open-source — within Comms. Roundcube and Element 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 Roundcube better than Element?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Roundcube and Element 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 Roundcube?

Top Roundcube alternatives in Comms are ranked by recent ship velocity. Browse the "Roundcube alternatives" section above for the current picks, or visit /alternatives/roundcube for the full list with editorial commentary on each.

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.