units 0.8-7

• Deep copy of ud_convert() input to avoid side effects; #403

• Set C++17 standard for old versions of R; #402

units 0.8-6

• Add methods for cbind and rbind; fixes #311

• Performance improvements in data.frame methods; suggested in #361 @grcatlin

• Fix weighted.mean.units for unitless objects; #363

• Fix incorrect use of round() in %% and %/% methods; #365 @UchidaMizuki

• Fix ggplot2 deprecation warnings; #367

• Fix hist() error; #368

• Add support for lims() in ggplot2 scales; #370

• Fix simplification of inverse units; #378

• Replace call to Rf_error() with Rcpp::stop(); RcppCore/Rcpp#1247

• Fix UBs in the C++ glue code; #380

• Add support for brew path discovery in macOS; #384

• Several performance improvements; #387, #388, #393, #400 addressing #386, #389

• Improve keep_units() helper for more general usage scenarios;
  #394 @d-morrison addressing #392

• Add ud_convert() to convert units of a vector; #399 @dlebauer addressing #398

• Fix scale_units for upcoming version of ggplot2; #401

units 0.8-5

• avoid -Wformat-security warning on CRAN

units 0.8-4

• Identical unit division and multiplication will now respect
  units_options(simplify = FALSE) reverting a change from #310; #355
  @billdenney

• Fix scale_units when both unit and trans are specified; #357

units 0.8-3

• Remove tolerance from comparisons with logical operators, restoring behavior changed in previous release; #353 addressing #351

units 0.8-2

• Names are preserved when doing unit conversions; #305 @billdenney

• Identical units will always divide (/) and allow integer division (%/%).
  And, inverse units will always be able to multiply; #310 @billdenney

• Compare units via ud_compare(), fixing inconsistent results for aliases
  and symbols; #339, #346, #347

• Fix units<-() to treat an empty unit the same as NULL; #332

• New as.data.frame() method for mixed_units; #309

• Use short paths for database loading on Windows to fix UTF-16 issues; #342

• Add example in the docs about reversing a ggplot2 units scale; #343

• Force storage mode to double; #344 addressing #324

• Fix units in transformed axis; #323

• Consider unitless as radians in trigonometric functions; #328

units 0.8-1

• fix %/% and %% if arguments have different units; #313

• fix multiplier parsing for exp(log(x)) operations; #321

• fix specification of secondary axes with scale_units; #326

units 0.8-0

• enhance unit mapping for newly installed units; #290

• remove deprecations: install_symbolic_unit, remove_symbolic_unit,
  install_conversion_constant, install_conversion_offset; #290

• fix multipliers for round trip log-exp operations; #292

• integrate ggplot2 scales (previously in the ggforce package) to
  automatically print axes with units; #294 addressing #164

• fix all.equal.units for non-units current

• fix zero power; #285

• fix unique.units to support arrays and matrices, implement methods for
  duplicated and anyDuplicated

• fix plot labels with spaces; #298 addressing #297

• always add units to labels, including user-provided ones; as part of #298

• new symbols/names with a percentage character are not allowed due to an
  upstream bug; #289

units 0.7-2

• enhance pillar integration; #273, #275, #280 @krlmlr

• new unique method for units and mixed_units objects; #283 addressing
  #277 @lewinfox

units 0.7-1

• allow longer units grouping; #270 addressing #269 @bart1

• fix regression in set_units method for mixed_units to ensure that
  ordering is preserved; #272 addressing #271