On 11 Oct 2019, at 13:45, jmathews via Pharo-users <pharo-users@lists.pharo.org> wrote:

Pharo 7 - Image hangs when loading Zinc HTTP Components. I tried loading Zinc HTTP Components separately through Metacello with the same results so I don't think the problem is with your code.

Yes, that is true and very problematic. A new implementation of ZnBufferedReadWriteStream was added to Pharo 7, which gets again (partially) overwritten by Zinc HTTP Components, breaking code loading. In Pharo 8 this was fixed by renaming these special (and now changed) class(es) to SourceFileBufferedReadWriteStream/SourceFileCharacterReadWriteStream so that they are moved out of Zinc HTTP Components and cannot be overwritten/broken. Either the last 3 commits on the Pharo 7 branch must be reversed, or the fixes/renaming/usage of Pharo 8 must be back ported as well. This is urgent. Sven