Looks earliest System package to not load to 4.6 is:

Name: System-ul.757
Author: ul
Time: 14 August 2015, 7:19:00.474 pm
UUID: fca51b99-736e-4666-acac-e5c5b6a1d397
Ancestors: System-cmm.756

#includesSubString: -> #includesSubstring:
#subStrings -> #substrings

Best,
Huw


On 3 December 2015 at 14:43, Huw Lloyd <huw.softdesigns at gmail.com> wrote:

> Hannes,
>
> I got as far as a failure to load System-cwp.781 with missing dependency
> on class UnhandledWarning:
>
> "Warning: This package depends on the following classes:
>   UnhandledWarning
> You must resolve these dependencies before you will be able to load these
> definitions:
>   UnhandledWarning>>defaultAction"
>
> The version of package system for 4.6 is System-topa.753
>
> Best,
> Huw
>
>
> On 3 December 2015 at 08:57, H. Hirzel <hannes.hirzel at gmail.com> wrote:
>
>> Huw,
>>
>> See a proposal for a quick fix below using the work of Colin Putney last
>> week.
>>
>> --Hannes
>>
>> On 12/3/15, David T. Lewis <lewis at mail.msen.com> wrote:
>> > Huw,
>> >
>> > The timing of your question is perfect :-)
>> >
>> > There are some very recent updates (in the last week or so) to the
>> Squeak
>> > trunk development stream that address this problem.
>>
>> A copy of the mail describing these updates is here
>> http://wiki.squeak.org/squeak/6218
>>
>> This is work in
>> > progress,
>> > but in a nutshell, the latest trunk fixes should resolve the problem for
>> > 4.6 images, but there is work still to be done in order to make it work
>> > in 5.0 Spur. We still need to get these latest updates into the standard
>> > update stream for squeak46, but as soon as that is complete it should
>> work
>> > for those images.
>>
>> The updates Colin Putney committed to the trunk on Friday, Saturday
>> 27/28th Nov are
>>
>> Name: Environments-cwp.60
>> Author: cwp
>> Time: 27 November 2015, 5:14:36.376 pm
>> UUID: c8836cde-f21e-4652-a2e9-73f8de6f00e0
>> Ancestors: Environments-kfr.59
>>
>> Always serialize Bindings as DiskProxies.
>>
>>
>> Name: System-cwp.781
>> Author: cwp
>> Time: 27 November 2015, 5:22:38.591 pm
>> UUID: c0ffbab7-f7ee-4966-ba07-d57436ac42f2
>> Ancestors: System-mt.780
>>
>> Remove specialized serialization of Associations.
>> Since associations are no longer used as globals, we never need to
>> serialize them using DiskProxy.
>>
>>
>> Name: System-cwp.782
>> Author: cwp
>> Time: 27 November 2015, 9:00:42.904 pm
>> UUID: ae1f1166-0438-4e78-8ded-46c59c212210
>> Ancestors: System-cwp.781
>>
>> Reload DiskProxies using the current environment
>>
>> When looking up objects from the destination image, DiskProxies should
>> use the current environment, rather than referring to to Smalltalk.
>> This lets objects on disk be loaded into arbitrary environments.
>>
>> These updates are committed to the trunk (i.e. the ongoing development
>> after the release of 5.0). However  in a trunk image
>>
>> http://build.squeak.org/job/Trunk/default/lastSuccessfulBuild/artifact/target/TrunkImage.zip
>> they do NOT work yet.
>>
>>
>> What you could do as of now
>> -----------------------------------------
>>
>> - File in the updates above into a 4.6 image.
>> - It should fix the problem (I have not tried yet, so please report if
>> it is successful).
>>
>>
>>
>>
>> > I am less certain of the timing for 5.0 images.
>>
>> The reason is that the new VM crashes, and Colin has reported this to
>> the Virtual Machine List.
>>
>>
>>
>> > Dave
>> >
>> >
>> >
>> > On Thu, Dec 03, 2015 at 01:25:37AM +0000, Huw Lloyd wrote:
>> >> Arbitrarily picking an earlier version ... 4.1 does not have this
>> >> issue/bug.
>> >>
>> >> Any quick fixes for this?  I'm interested in using this in conjunction
>> >> with
>> >> aida.
>> >>
>> >> Best,
>> >> Huw
>> >>
>> >>
>> >> On 3 December 2015 at 01:13, Huw Lloyd <huw.softdesigns at gmail.com>
>> wrote:
>> >>
>> >> > For both 4.6 & 5.0 on the mac, saving a project generates the
>> following
>> >> > error: "NotImplemented: ClassBinding or a superclass should implement
>> >> > objectForDataStream."
>> >> >
>> >> > The comments in the method suggest this shouldn't have been released
>> to
>> >> > a
>> >> > stable version: "It's not yet clear how serialization should work in
>> >> > the
>> >> > presence of environments".
>> >> >
>> >> > Problem 2 is that if I then "abandon" the error messge, the workspace
>> >> > is
>> >> > then flooded with "MessageNotUnderstood" error boxes.
>> >> >
>> >> > Is "environments" something experimental that should be switched off?
>> >> >
>> >> > Best,
>> >> > Huw
>> >> >
>> >> >
>> >> >
>> >
>> >>
>> >
>> >
>> >
>>
>>
>
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