TL;DR — Submit to CfgMgmtCamp 2027 tonight: it’s in your home city of Ghent and closes 23:59 CEST today, 20 September [1]. After that, the best window is Barcelona: KubeCon + CloudNativeCon Europe 2027 closes 11 October [3], and its co-located Platform Engineering Day and Observability Day — both a sharper fit for a DevEx/platform-as-a-product pitch than the K8s-internals-heavy main track — close 18 October [6] [7]. Almost everything else on the usual list — DevOpsDays Barcelona/Prague/Warsaw/Portugal, Cloud Native Days Poland/Norway, SREcon EMEA, PromCon EU, KCD UK — already closed its 2026 CFP months ago, and the 2027 city editions (Zurich, Geneva, ContainerDays Warsaw, KCD Valencia/Helsinki/Czech&Slovak) haven’t opened yet.
Open now
Sorted by deadline, ascending. All statuses verified by fetching the live CFP page on 20 September 2026.
| Conference | Dates & location | CFP deadline | Submit | Compensation | Formats | Platform | Fit |
|---|---|---|---|---|---|---|---|
| CfgMgmtCamp 2027 [1] | 1–3 Feb 2027 · Ghent, Belgium | 20 Sep 2026, 23:59 Europe/Brussels (CEST) — closes tonight; organizers hint it “will probably be extended a bit” [2] | Submit | Not stated | Ignite (5min), 25/45min talks, workshops/fringe (day 3) | pretalx | Your home city, zero travel. IaC/config-management focus overlaps CI/CD and homelab self-hosting work directly. |
| KubeCon + CloudNativeCon Europe 2027 [3] | 15–18 Mar 2027 · Barcelona, Spain | 11 Oct 2026, 23:59 CEST (UTC+2) | Sessionize [4] | 1 complimentary pass; travel/lodging not stated | Session, panel, lightning, poster, tutorial | Sessionize / CNCF | Flagship, very competitive, K8s-internals-heavy main track. An AI-in-delivery or DevEx talk can work but competes hard against Kubernetes specialists — the co-located days below fit better. |
| ArgoCon Europe 2027 [5] (co-located, Barcelona) | 15–18 Mar 2027 · Barcelona, Spain | 18 Oct 2026 (time/timezone not published on the page — treat as 23:59 CEST like its sibling co-located days, unconfirmed) | CFP portal | Not stated separately from main event | Presentation (25min), panel (35min), lightning (10min) | CNCF co-located CFP | GitOps/CD is squarely CI/CD territory — frame around delivery-pipeline concepts, not Argo/K8s cluster internals. |
| Platform Engineering Day 2027 [6] (co-located, Barcelona) | 15–18 Mar 2027 · Barcelona, Spain | 18 Oct 2026 (time/timezone unconfirmed, see above) | CFP portal | Not stated separately | Presentation (25min), panel (35min), lightning (10min) | CNCF co-located CFP | Best fit on this list. Platform-as-a-product and DevEx are named strengths — a Coolify-style self-hosted PaaS / per-PR preview-deploy talk lands directly on-topic. |
| Observability Day 2027 [7] (co-located, Barcelona) | 15–18 Mar 2027 · Barcelona, Spain | 18 Oct 2026 (time/timezone unconfirmed, see above) | CFP portal | Not stated separately | Presentation (25min), panel (35min), lightning (10min) | CNCF co-located CFP | Self-hosted monitoring/homelab observability angle fits; steer away from deep Prometheus/OTel internals given your K8s learning-stage. |
Opening soon / expected
Announced but no CFP live yet, or historically opens Oct–Nov 2026 and hasn’t yet.
| Conference | Expected dates & location | Status |
|---|---|---|
| KCD Valencia / KCD Helsinki / KCD Czech & Slovak [19] | H1 2027, exact dates TBD | CNCF confirmed the H1 2027 slate on 20 Aug 2026 but hasn’t published dates or CFP windows yet [19]. |
| DevOpsDays Zurich 2027 [13] | 14–15 Apr 2027 · Zurich, Switzerland | Listed on the official events index; no CFP page live yet [13]. |
| DevOpsDays Geneva 2027 [13] | 25–26 May 2027 · Geneva, Switzerland | No open CFP on the official site yet; a third-party aggregator lists a 16 Feb 2027 deadline, not independently confirmed [14]. |
| ContainerDays 2027 [21] | 22–23 Feb 2027 · Warsaw, Poland | Dates confirmed on the official site; no CFP link published yet [21]. |
Already closed
Notable 2026/2027 editions considered and ruled out — so you don’t re-check them.
| Conference | Dates & location | CFP closed |
|---|---|---|
| SREcon26 EMEA [8] | 13–15 Oct 2026 · Dublin, Ireland | 2 Sep 2026. SREcon27 EMEA not yet announced. |
| DevOpsDays Barcelona 2026 [9] | 13–14 Nov 2026 | 15 Jun 2026 |
| DevOpsDays Prague 2026 [10] | 5 Oct 2026 | 1 Jul 2026 |
| DevOpsDays Portugal 2026 [11] (joint w/ KCD Porto) | 19–20 Nov 2026 · Porto | Closed (exact date not published) |
| DevOpsDays Warsaw 2026 [12] | 23–24 Nov 2026 | 30 Aug 2026 |
| Cloud Native Days Poland 2026 [15] | 2026 · Warsaw | 1 Jun 2026 |
| Cloud Native Days Norway 2026 [16] | 26–27 Oct 2026 · Bergen | 1 Jun 2026 |
| PromCon EU 2026 [17] | 7–8 Oct 2026 · Munich | 19 Jul 2026 (extended) |
| KCD UK 2026 [18] | 2026 · Edinburgh | Closed, agenda finalized |
| ContainerDays Hamburg 2026 [20] | 2–4 Sep 2026 · Hamburg | Event already happened before the research date |
| PlatformCon26 Live Day Paris [24] | 24 Sep 2026 · Paris | No deadline published; event is 4 days after the research date, so almost certainly closed — flagged as ambiguous, not confirmed [24] [25] |
| HashiConf / HashiDays Europe | — | No European edition found for 2026/2027; only HashiConf at IBM TechXchange, Atlanta, 26–29 Oct 2026 is listed — the standalone European HashiDays series appears discontinued [22] |
| DevOps Enterprise Summit Europe | — | No European edition found for 2026/2027; IT Revolution’s only confirmed 2026 summit is Charlotte, NC, USA [23] |
Notes on scope and confidence
- PlatformCon runs a rolling series of one-day “Live Day” CFPs city by city rather than one fixed European CFP; the only 2026/2027 European Live Day found was Paris (already effectively closed) — check platformcon.com/cfp [25] periodically for new city announcements, since these open with short lead times.
- DevOpsDays has dozens of European city editions; this report covers the ones with confirmed 2026 dates plus the earliest-announced 2027 editions (Zurich, Geneva) — smaller cities not yet on the official events index (e.g. new 2027 additions) weren’t checked individually.
- No GitHub-hosted projects were cited, so no star counts apply here.