
Cloud Server-Side WebAssembly
02/28/25 • 38 min
In this episode, David and Laura catch up with Mikkel Mørk Hegnhøj from Fermyon to break down the latest in WebAssembly. They’ll cover how it’s changing cloud computing, what’s new with Spin and WASI, and why devs should care. Tune in for some great insights!
Click here to watch a video of this episode.
Creators & Guests
- David Flanagan - Host
- Laura Santamaria - Host
- Mikkel Mørk Hegnhøj - Guest
- (00:00) - Introduction to Server-Side WebAssembly
- (00:25) - Technical Difficulties and Banter
- (01:01) - Guest Introduction: Mikkel Mørk Hegnhøj
- (02:00) - WebAssembly Evolution and Spin 3.0
- (05:02) - WASI and WebAssembly Components
- (10:23) - WebAssembly in Kubernetes
- (16:26) - Spin 3.0 Features and Future Directions
- (19:25) - Distributed Promises and WebAssembly
- (19:58) - Frameworks and Programming Languages in WebAssembly
- (20:58) - Polyglot Development and Experimentation
- (22:40) - Practical Use Cases for Polyglot Programming
- (24:37) - Enterprise Benefits of WebAssembly
- (25:29) - Component-Based Deployment in Kubernetes
- (28:20) - Developer Experience with Spin and WebAssembly
- (33:28) - Open Telemetry Integration in Spin V3
- (35:50) - Future of Spin and WebAssembly
- (37:40) - Closing Remarks and Upcoming Events
In this episode, David and Laura catch up with Mikkel Mørk Hegnhøj from Fermyon to break down the latest in WebAssembly. They’ll cover how it’s changing cloud computing, what’s new with Spin and WASI, and why devs should care. Tune in for some great insights!
Click here to watch a video of this episode.
Creators & Guests
- David Flanagan - Host
- Laura Santamaria - Host
- Mikkel Mørk Hegnhøj - Guest
- (00:00) - Introduction to Server-Side WebAssembly
- (00:25) - Technical Difficulties and Banter
- (01:01) - Guest Introduction: Mikkel Mørk Hegnhøj
- (02:00) - WebAssembly Evolution and Spin 3.0
- (05:02) - WASI and WebAssembly Components
- (10:23) - WebAssembly in Kubernetes
- (16:26) - Spin 3.0 Features and Future Directions
- (19:25) - Distributed Promises and WebAssembly
- (19:58) - Frameworks and Programming Languages in WebAssembly
- (20:58) - Polyglot Development and Experimentation
- (22:40) - Practical Use Cases for Polyglot Programming
- (24:37) - Enterprise Benefits of WebAssembly
- (25:29) - Component-Based Deployment in Kubernetes
- (28:20) - Developer Experience with Spin and WebAssembly
- (33:28) - Open Telemetry Integration in Spin V3
- (35:50) - Future of Spin and WebAssembly
- (37:40) - Closing Remarks and Upcoming Events
Previous Episode

Navigating Kubernetes: Insights, Challenges, and the Release Cycle with Kat Cosgrove
In this episode of Cloud Native Compass, hosts David Flanagan and Laura Santamaria dive deep into the complexities of the Kubernetes release cycle with guest Kat Cosgrove. Kat, a sub-project lead for SIGrelease in the Kubernetes project, shares her experiences and discusses issues such as burnout, handling drive-by PRs, and the nuances of managing a fast-moving open source project. They explore the structure of the release team, the challenges of maintaining CI stability, and the ever-evolving nature of contributing to Kubernetes. Alongside tech talk, the trio reminisces about their work history, the challenging debates over project management, and the quirks of maintaining open source projects. Kat also recommends a book, a movie, and an album, providing a well-rounded blend of tech insights and personal favorites.
Click here to watch a video of this episode.
Featuring
- David Flanagan - Host
- Laura Santamaria - Host
- Kat Cosgrove - Guest
- (00:00) - Introduction
- (00:08) - Meet the Hosts and Guest
- (01:24) - Kubernetes Release Process Overview
- (03:22) - Challenges in Kubernetes Release Management
- (04:08) - Team Structure and Roles
- (06:29) - Open Source Contributions and Burnout
- (11:06) - Managing CI and Bug Triage
- (15:28) - Release Delays and External Dependencies
- (16:51) - Press Embargoes and Publicity
- (20:46) - AI in Open Source Documentation
- (22:13) - The Challenges of Open Source Contributions
- (23:06) - The Auto PEP 8 Incident
- (23:49) - The Overwhelming Decisions of Maintainers
- (24:01) - The Etiquette of Open Source PRs
- (26:39) - Personal Experiences in Open Source
- (28:56) - The Accidental Involvement in Kubernetes
- (32:17) - The Chaos of SIG Release
- (34:31) - Kubernetes 2.0 and Backwards Compatibility
- (37:07) - Book, Movie, and Album Recommendations
- (38:51) - Conclusion and Farewell
Next Episode

Simplifying Kubernetes Adoption Challenges
Struggling to Learn Kubernetes?
Here’s How to Stay MotivatedIn this episode of Cloud Native Compass, host David Flanagan talks with Koray Oksay, a Kubernetes consultant, trainer at Kubermatic, CNCF Ambassador, and organizer of KCD Istanbul. From this episode, you’ll learn how to overcome the challenges of learning new technologies, how to find motivation, and how to use real-world projects to improve skills. The guest shares personal experiences—how he moved from struggling with Perl and Python to using them effectively in production.
Don’t miss this chance to learn from a seasoned professional!
00:00 Introduction and Missing Co-Host
00:25 Meet Koray: Background and Experience
01:59 Journey into Kubernetes and Cloud Native
04:55 Challenges in Adopting Kubernetes
06:17 Training and Skill Levels in Kubernetes
12:20 Tools and Best Practices in Kubernetes
17:44 Choosing the Right Tools for Your Needs
19:23 Preferred Tools and Final Thoughts
20:35 Introduction to KKP and Managed Kubernetes
21:10 Public Cloud vs On-Prem Kubernetes Management
21:56 Customization and Freedom in Kubernetes
24:04 Future Technologies in Kubernetes and Cloud Native
25:07 The Complexity of Kubernetes
27:01 Cluster Management Best Practices
33:31 Getting Started with Kubernetes: Tips and Resources
39:23 Final Thoughts and Community Involvement
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