v2.34.1 (23 January 2024)

• Fixed an indexing error which could lead to crashes (#1239)
• Fixed an issue where output was swallowed by the log_prob method if an error occurred (#1235)
• Fixed an issue where floating point arguments would be echoed back to the user with insufficient precision (#1243)

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v2.34.0 (16 January 2024)

• Add option adaptation save_metric=1 to save adapted metric in separate JSON file with elements "stepsize", "metric_type" and "inv_metric" (#1203, #1229)
• New argument under output save_cmdstan_config. If set to 1, creates output_config.json which contains the argument tree and extra information (equivalent to the CSV file header) (#1204)
• Adds psis_resample and calculate_lp as options for Pathfinder (#1234)
• Removed usages of boost::lexical_cast (#1205)
• Resolved various compiler warnings (#1206)
• Fixed a linking issue when building stansummary (#1209)
• Fixed an issue where the default values of some arguments were not printed in sufficient precision (#1215)
• Improved the error users see if they are missing the stan or stan_math submodules (#1217)
• Improved the dependency detection in the build system (#1219)
• Added a warning when more PSIS draws are requested than total number of draws from single-pathfinders (#1221)
• Disallowed pathfinder when the model has no parameters. (#1221)
• Fixed a typo in make help-dev. (#1225)
• Fixed several edge cases and unexpected behaviors in the way output filenames were generated for multi-chain sampling and multi-path Pathfinder (#1228)
• Added a version.hpp header (#1231)

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v2.34.0-rc1 (8 January 2024)

Tagging v2.34.0-rc1

v2.33.1 (13 September 2023)

• Update stanc3 binaries to v2.33.1

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• CmdStan User's Guide 2.33

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v2.33.0 (5 September 2023)

• Exposed pathfinder algorithm. (#1155)
• Added CXX_MAJOR and CXX_MINOR to the name of the precompiled header file when it is enabled. The goal is to prevent the annoying errors from clang updates etc. (#1171)
• Removed use of boost::lexical_cast wherever possible. (#1172)
• Fixes various typos in output messages and comments. (#1174)
• Enabled the num_chains argument on all HMC variants other than the static engine. (#1176)
• Fixed a bug where the num_chains argument was not properly using multiple init files (#1191)
• A warning is now shown when users provide "R dump" formatted inputs to CmdStan, letting them know that this format is essentially unsupported and new features like Tuples are not being added to it. (#1177, #1183)

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v2.33.0-rc1 (22 August 2023)

Tagging v2.33.0-rc1

v2.32.2 (15 May 2023)

• Update Stan module to v2.32.2

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• CmdStan User's Guide 2.32

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• CmdStan User's Guide 2.32

v2.32.1 (2 May 2023)

• Update Stan module to v2.32.1

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• CmdStan User's Guide 2.32

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• CmdStan User's Guide 2.32

v2.32.0 (20 April 2023)

• Added method laplace to sample from a Laplace approximation following optimization. (#1134)
• Added argument jacobian to method optimize; default is FALSE (current behavior). (#1134)
• For method log_prob, added functionality to allow sets of constrained parameters as inputs in the form of a Stan CSV file. (#1134)
• Fixed typo in OpenCL code. (#1141)
• Updated a test model so it no longer uses the deprecated array syntax. (#1148)
• Fixed Bernoulli example file mentioning old array syntax in a comment. (#1150)
• make: use SUNDIALS_TARGETS instead of LIBSUNDIALS. (#1151)
• Fixed 'Perhaps you meant' giving invalid suggestions. (#1152)

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v2.32.0-rc1 (10 April 2023)

Tagging v2.32.0-rc1