[Development] Future of Qt on Web?

Lorn Potter lorn.potter at gmail.com
Mon Jun 5 21:26:53 CEST 2017

On 06/06/2017 12:20 AM, Jason H wrote:
>> Sent: Monday, June 05, 2017 at 12:34 AM
>> From: "Lorn Potter" <lorn.potter at gmail.com>
>> To: development at qt-project.org
>> Subject: Re: [Development] Future of Qt on Web?
>> On 06/05/2017 07:00 AM, Jason H wrote:
>>> While Qt is not a web framework, over time there have been efforts to use it on the web (outlined below).
>>> Given that Chrome is dropping NaCL (http://www.tomshardware.com/news/chrome-deprecates-pnacl-embraces-webassembly,34583.html) and the WebGL streaming is also not ideal (but better?), I am wondering about the future of Qt on Web? Will there be a WebAssembly version of Qt?
>> We have been working on Qt5 for webassembly.
>> I was just writing a short blog about this:
>> http://qtandeverything.blogspot.com.au/2017/06/qt-for-web-assembly.html
> That is great news! You mention the wasm is smaller? How much smaller? 

For one small example app (standarddialog) the difference between asmjs
and wasm is:

wasm: 520 k js file and 14 MB wasm file.
asmjs: 69 MB js file.

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