Development Discussion Board

Nice, this is much requested.
You might want to take a look at this extension

Also: you should consider whether or not to support phpBB 3.1, since the parsing process is quite different. I don't know why Paul chose to require phpBB 3.2 for his extension but this might be due to the new ...

to declare that the Internet is going to go entirely SSL because a couple of browsers are being overly ambitious is a little bit exaggerated.
That "couple of browsers" cover 60% of the market share. And when Chrome does stuff like this, others will probably follow.

And of course the entire ...

Well, you might start by introducing that in the extensions database instead of only at Github. ;)

But still, as modern browsers "soft-require" SSL for phpBB by showing a warning when it's not enabled, I think that this is something that should be in the core. 2 years ago it wasn't such a biggy ...

The web is finally moving more and more towards HTTPS. This is a good thing, but also comes with challenges. For forums, one of them is the img-BBcode. While you have a perfectly nice HTTPS setup for board, a user might embed an image (or avatar/video/etc) that's not served over HTTPS. Dang, there's ...

I see the optional attribute actually works if I put this in the ACP:
[ref={COLOR;optional;defaultValue=inherit}]{TEXT}[/ref]
It accepts both ways, eg. when I write this:
[ref]Test without attr[/ref]
plain text
[ref=#FF0000]Test with red color[/ref]

It gets parsed like

<span style="font ...

Not really sure how other hosts are allowing for this, but I would imagine they probably have some way to do the same thing. If it's not the case that hosting providers are allowing for this then that might be another issue with the proposal since we can't guarantee other software, such as ...

Why would you have to update to 3.2 first? The migrations would run to upgrade the database from 3.1 to 3.3 just fine. The steps would really be (some of which are missing from your list): I recall a discussion between the both of us about the required steps for updates. ;)
Anyway: what you ...

Indeed, I missed that completely.

I favour removing the current auto-updater (with file diffs etc.) and replacing it with something like P_I suggested. In fact, I recall this has been discussed about a year ago or so, but -IIRC- DavidIQ mentioned it wouldn't be so simple.

Can't find the topic now.

- edit -
Found the previous ...

b.3.) It blocks direct upgrades from phpbb 3.1 or earlier, as they don't support php7 at all... No easy testing or rollback. Potential for nightmare upgrade issues.

This is really strong argument. Even when we decide for 7.0, upgrade process must work on 5.4, or we won't allow users to ...