• Updated precompiled header logic to use newer clang features when available. (#1346)
• Updated standalone generated quantities to respect the chain ID. (#1347)
• Reduce dependencies on the Boost library headers. (#1348)

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• CmdStan User's Guide 2.40

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• CmdStan User's Guide 2.40

Tagging v2.40.0-rc1

• Fixed an issue where the log_prob command was reading unconstrained parameters in the incorrect order in some circumstances. (#1337)
• Updated tests to account for the new converged__ column in optimization output. (#1338)

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• CmdStan User's Guide 2.39

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• CmdStan User's Guide 2.39

• Removed STAN_CPP_OPTIMS from the model info command. It was never set to the correct value. (#1332)

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• CmdStan User's Guide 2.38

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• CmdStan User's Guide 2.38

• Changed the default value of sig_figs to 8. This should reduce errors when using the output of CmdStan as further input to Stan programs. (#1308)
• Updated the behavior of filename arguments when requesting multiple chains. In addition to the existing behavior, users can now pass a comma-separated list of filenames to specify the output files for each chain. This allows for more flexibility in naming output files when running multiple chains. (#1312, #1318)
• Added more information when encountering a system error like an unwriteable file or a full disk. (#1316)
• Improved dependency discovery when running CmdStan's test suite. (#1314)
• Removed the mips64el build of CmdStan. (#1319)
• Re-added ESS/s to stansummary. (#1320)
• Fixed an issue with the diagnose command using the wrong number of iterations when calculating percentages. (#1321)

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• CmdStan User's Guide 2.37

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• CmdStan User's Guide 2.37