What changed in Squeak 5.1 that affects Connectors?

Hello,

I'm using the same version of Ned Koontz's Connectors package (Connectors
5.2) in both Squeak 5.0 and Squeak 5.1, but I observe different behavior.

In Squeak 5.0, a connector can be bent normally by dragging it. In Squeak
5.1, attempting to bend a connector changes the cursor to a crosshair, the
connector moves only slightly, and then the operation stops while the
cursor remains a crosshair.

Since the Connectors package itself is unchanged, I'm trying to identify
what changed in Squeak between versions 5.0 and 5.1 that causes this
behavior.

As I understand it, updating a 5.0 image to 5.1 is done through the update
stream, applying changes one method at a time. I'd like to step through the
updates myself to determine exactly which method change introduces the
problem.

How can I obtain the list of updates applied when bringing a 5.0 image up
to 5.1?

BTW, Squeak 5.0 stops responding when trying to update using DockingBar's
"Update Squeak" menu item.


Thank you,

Vaidotas

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