Chronos Version B1.174 has been publised ("Beta Release 1--build 174".) Chronos B1.174 is available for VisualWorks, Squeak and Dolphin. The Chronos Seed Archive for B1.174 is also available (the "Chronos Seed" is the platform-independent Chronos codebase, used for porting Chronos from VisualWorks to other Smalltalk pltatforms.)
Chronos Version B1.174 can be obtained from the Chronos Web Site. The VisualWorks version can also be obtained from the Cincom Public StORE Repository. You may also use the direct download link for VisualWorks, the direct download link for Squeak or the direct download link for Dolphin.
The Chronos Time Zone Repository is included in the download archive. Be sure to follow the Chronos Installation Instructions--especially if you have not already done so for a previous version of Chronos.
If you are reinstalling Chronos into an image in which an earlier version is already resident, and do not install the new version from the Cincom Public StORE Repository using StORE, it is necessary to first remove the earlier version. StORE has been able to correctly install the new version on top of every earlier version I have tried--but I haven't tried them all.
About Chronos Version B1.174
Chronos Version B1.174 corrects the list of dates on which the NYSE was closed, based on more authoritative information.
The Squeak version was modified to address changes to the base libraries that have been made in Squeak 3.9. A few Chronos methods are now added programmatically (and conditionally) to base library classes, instead of being a static part of the file-in.