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Subject: Announcing Isabelle2020
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To: isabelle-users@cl.cam.ac.uk
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Isabelle2020 is now available.
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This version introduces many changes over Isabelle2019: see the NEWS
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file for further details. Here are some notable points:
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* PIDE: much faster startup of Isabelle/jEdit thanks to more scalable
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session directory structure.
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* PIDE: updated Isabelle/VSCode to follow recent moves of VSCode.
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* Pure: improved treatment of theorem dependencies and proof terms,
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accessible via command 'thm_deps'.
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* Pure: proper treatment of oracles within internal proof objects,
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accessible via command 'thm_oracles'.
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* HOL: various library improvements.
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* HOL: better organization of HOL-Analysis vs. HOL-Complex_Analysis.
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* ML: more scalable export artifacts via XML blobs.
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* Scala: support for external IDEs based on Gradle (e.g. IntelliJ IDEA).
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* Scala: support for Ubuntu server applications (Linux-Apache-MySQL-PHP).
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* System: Isabelle/Phabricator as self-hosted project management platform.
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* System: update to current Poly/ML 5.8.1 with improved robustness,
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especially on Windows.
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* System: improved support for macOS, notably 10.15 Catalina.
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You may get Isabelle2020 from the following mirror sites:
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  Cambridge (UK)       https://www.cl.cam.ac.uk/research/hvg/Isabelle
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  Munich (Germany)     https://isabelle.in.tum.de
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  Sydney (Australia)   https://mirror.cse.unsw.edu.au/pub/isabelle
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  Potsdam, NY (USA)    https://mirror.clarkson.edu/isabelle
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