Uploaded November 2025 | Updated September 2026, 3 hours ago
Join hosts Joel Moses, Oscar Spencer, and Matt Yacobucci, along with special guest Pat Hickey, for part two of their in-depth discussion on the latest WebAssembly proposals and advancements. This episode dives into the phase three, phase two, and phase one proposals in development, covering critical topics such as ESM integration, wide arithmetic, stack switching, and the Wasm component model. The team debates the significance of these features, their implementation stages, and their potential impact on WebAssembly's future. Watch now for the latest updates and insights from the world of WebAssembly!
Chapters:
00:00 Welcome to WebAssembly Unleashed
00:47 Phase Three Proposals
00:56 ESM Integration: A Dream Come True
03:50 Wide Arithmetic: Handling Overflow
06:13 Phase Two Proposals: From Ideas to Specs
07:35 Relaxed Dead Code Validation
09:22 Numeric Values in WAT Data Segments
10:23 Extended Name Section
11:42 Custom Page Sizes: Fitting Wasm into Smaller Places
15:31 Stack Switching: The Major Feature Missing in WebAssembly
17:14 Challenges in Implementing Stack Switching
19:23 Rounding Variants in WebAssembly
20:39 Compilation Hints: Boosting WebAssembly Performance
21:51 Custom Descriptors and JS InterOps
23:46 Phase One Proposals: Exploring New Ideas
24:30 Component Model: A Long-Awaited Feature
28:00 WebAssembly C and C++ API: A Failed Experiment?
30:41 Observability in WebAssembly: The Missing Proposal
Dive into the WebAssembly Proposals github.com/WebAssembly/proposals
For more from F5's Office of the CTO visit the following sites:
Blogs - f5.com/company/octo
Reports - f5.com/services/resources/reports
Meet Your Hosts:
Joel Moses | linkedin.com/in/joelmoses | community.f5.com/users/joel_moses/398372
Oscar Spencer | twitter.com/oscar_spen | linkedin.com/in/oscarspen
Matthew Yacobucci | linkedin.com/in/matthew-yacobucci-323b4b2
⬇️⬇️⬇️ JOIN THE COMMUNITY! ⬇️⬇️⬇️
DevCentral is an online community of technical peers dedicated to learning, exchanging ideas, and solving problems - together.
Find all our platform links ⬇️ and follow our Community Evangelists! 👋
➡️ DEVCENTRAL: community.f5.com
➡️ YOUTUBE: youtube.com/devcentral
➡️ LINKEDIN: linkedin.com/showcase/f5-devcentral
➡️ TWITTER: twitter.com/devcentral
Your Community Evangelists:
👋 Jason Rahm: linkedin.com/in/jrahm | twitter.com/jasonrahm
👋 Buu Lam: linkedin.com/in/buulam | twitter.com/buulam
👋 Aubrey King: linkedin.com/in/aubreyking | twitter.com/aubreykingf5
👋 Chase Abbott: linkedin.com/in/chaseabbott1
Join hosts Joel Moses, Oscar Spencer, and Matt Yacobucci, along with special guest Pat Hickey, for part two of their in-depth discussion on the latest WebAssembly proposals and advancements. This episode dives into the phase three, phase two, and phase one proposals in development, covering critical topics such as ESM integration, wide arithmetic, stack switching, and the Wasm component model. The team debates the significance of these features, their implementation stages, and their potential impact on WebAssembly's future. Watch now for the latest updates and insights from the world of WebAssembly!
Chapters:
00:00 Welcome to WebAssembly Unleashed
00:47 Phase Three Proposals
00:56 ESM Integration: A Dream Come True
03:50 Wide Arithmetic: Handling Overflow
06:13 Phase Two Proposals: From Ideas to Specs
07:35 Relaxed Dead Code Validation
09:22 Numeric Values in WAT Data Segments
10:23 Extended Name Section
11:42 Custom Page Sizes: Fitting Wasm into Smaller Places
15:31 Stack Switching: The Major Feature Missing in WebAssembly
17:14 Challenges in Implementing Stack Switching
19:23 Rounding Variants in WebAssembly
20:39 Compilation Hints: Boosting WebAssembly Performance
21:51 Custom Descriptors and JS InterOps
23:46 Phase One Proposals: Exploring New Ideas
24:30 Component Model: A Long-Awaited Feature
28:00 WebAssembly C and C++ API: A Failed Experiment?
30:41 Observability in WebAssembly: The Missing Proposal
Dive into the WebAssembly Proposals github.com/WebAssembly/proposals
For more from F5's Office of the CTO visit the following sites:
Blogs - f5.com/company/octo
Reports - f5.com/services/resources/reports
Meet Your Hosts:
Joel Moses | linkedin.com/in/joelmoses | community.f5.com/users/joel_moses/398372
Oscar Spencer | twitter.com/oscar_spen | linkedin.com/in/oscarspen
Matthew Yacobucci | linkedin.com/in/matthew-yacobucci-323b4b2
⬇️⬇️⬇️ JOIN THE COMMUNITY! ⬇️⬇️⬇️
DevCentral is an online community of technical peers dedicated to learning, exchanging ideas, and solving problems - together.
Find all our platform links ⬇️ and follow our Community Evangelists! 👋
➡️ DEVCENTRAL: community.f5.com
➡️ YOUTUBE: youtube.com/devcentral
➡️ LINKEDIN: linkedin.com/showcase/f5-devcentral
➡️ TWITTER: twitter.com/devcentral
Your Community Evangelists:
👋 Jason Rahm: linkedin.com/in/jrahm | twitter.com/jasonrahm
👋 Buu Lam: linkedin.com/in/buulam | twitter.com/buulam
👋 Aubrey King: linkedin.com/in/aubreyking | twitter.com/aubreykingf5
👋 Chase Abbott: linkedin.com/in/chaseabbott1
