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Tapestry 5.4 is under active development, there . There have been two more than twenty alpha releases so far: 5.4 Alpha 1 and 5.4 Alpha 2. See the subdirectories of https://repository.apache.org/content/groups/staging/org/apache/tapestry/.
Nightly snapshot binaries are also available in Apache's Nexus Maven repository under the subdirectories of https://repository.apache.org/content/repositories/snapshots/org/apache/tapestry.
Download sources
The source code can be checked out anonymously from Git with the clone command:
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