Release October

4.5.4 - 10/2021

• Fix Documentation contains reference to infix multiline formatter even though it's removed. #1884
• Fix Newline was introduced in Sequential with LetBang. #1882
• Fix Vanity alignment used when calling base constructor. #1442

Special thanks to @panmau and @su8898.

https://www.nuget.org/packages/fantomas-tool/4.5.4

Release September

4.5.3 - 09/2021

• Fix indented #if directive inside another non-indented #if directive drops significant whitespace. #1866

Special thanks to @kentcb

https://www.nuget.org/packages/fantomas-tool/4.5.3

August Release

4.5.2 - 08/2021

• Fix Dropped comment with function with type parameter. #1861
• Fix Comment dropped in a multi-option match. #1855
• Fix StackoverflowException when formatted long triple-quoted strings. #1837
• Fix Comment removed in match. #1677

Special thanks to @kentcb, @pbiggar, @texastoland and @OkkeHendriks.

https://www.nuget.org/packages/fantomas-tool/4.5.2

Late July Release

4.5.1 - 07/2021

• Fix StackOverflow exceptions when collecting ColMultilineItem list. #1839
• Honor .fantomasignore file when processing a folder. #1834
• Fix Overly indented members on a record type with accessibility modifier. #1824
• Fix MultiLineLambdaClosingNewline not respected with function keyword. #1823
• Fix Comment is lost at the end of a match. #1822

Special thanks to @kentcb and @Smaug123.

https://www.nuget.org/packages/fantomas-tool/4.5.1

July Release

4.5.0 _"Miasma" - 07/2021

• Feature Always place bar in front of discriminated union. #1750
• Feature Support multiple files/dirs as command-line arguments. #1696
• Feature Disable empty line between mutually recursive type. #1658
• Feature BlankLinesAroundNestedMultilineExpressions. #1587
• Initial support of KeepIndentInBranch. #1361
• Improve: Collect empty define block as single trivia. #1528
• Improve: Refactor ASTTransformer. #1497
• Improve: replace genTypeByLookup with Trivia. #594
• Update to FCS 39 #1479
• Fix Space between identifier and then is lost. #1816
• Fix KeepIndentInBranch causing offside error in if condition. #1812
• Fix Indentation warnings for multiline match expression. #1774
• Fix Extra indentation on match-case block. #1234
• Fix Fantomas introduces meaningless match block. #1806
• Fix Lazy causes indentation to produce invalid F#. #1805
• Fix Nested Fluent API produces wrong code: misses indentation. #1804
• Fix Tuple should be consider short branch in KeepIndentInBranch setting. #1800
• Fix Fantomas adds "of" to a union case when it is seemingly too long. #1796
• Fix Function application in if expression should remain on single line. #1795
• Fix Conditional code is not printed. #1794
• Fix Records in list in a pattern match always have a semicolon. #1793
• Fix parenthesis expression in then should further indent inner expression. #1777
• Fix Wild cards in lambda. #1789
• Fix Soundness regression in 4.5.0-beta-001. Nested lambdas are stripped. #1782
• Fix KeepIndentInBranch not respected when returning short function application. #1779
• Fix Hash directive not printed above recursive binding. #1776
• Fix Fantomas adds space before colon when SpaceBeforeColon is false. #1773
• Fix Long return expression not formatted multiline. #1771
• Fix Add support for LibraryOnlyStaticOptimization. #1769
• Fix fsharp_keep_indent_in_branch not respected for multiline infix expression. #1768
• Fix Inline lambda in argument list causes problems for argument chopping and lambda alignment. #1028
• Fix Difference in behavior between signature and implementation files for single case DU. #973
• Fix Concatenation of multi-line """ strings mis-indented. #639
• Fix Comment after arrow lost with KeepIndentInBranch. #1759
• Fix Multiline if/then/else in infix expression. #1757
• Fix Newline and comment trivia are mixed up. #1468
• Fix Inline lambda in argument list causes problems for argument chopping and lambda alignment. #1028
• Fix Difference in behavior between signature and implementation files for single case DU. #973
• Fix Concatenation of multi-line """ strings mis-indented. #639
• Fix Trivia before SynPat.Paren. #1753
• Fix Idempotency problem when trailing comment is present. #1538
• Fix Offside error after formatting with MultiLineLambdaClosingNewline. #1741
• Fix Pipe character missing in single-case try/with. #1571
• Fix Multiline if condition in KeepIndentInBranch leads to warnings. #1729
• Fix KeepIndentInBranch not respected for values. #1728
• Fix KeepIndentInBranch not respected. #1717
• Fix Bad interaction between KeepIndentInBranch and MultiLambdaClosingNewLine. #1715
• Fix KeepIndentInBranch not being respected. #1714
• Fix Breaking method chain in the middle of an if statement causes offside error. #1712
• Fix Offside error when a comment appears before a match statement in pipeline. #1711
• Fix Line comment after short pattern match clause causes additional parenthesis. #1721
• Fix Appending two lists with @ fails. #1719
• Fix Leading block comment makes type multiline. #1718
• Fix List concat chain using operators fails to format. #1188
• Fix Unexpected newline after inner let binding. #1709
• Fix Currying a pair gets spread over multiple lines. #1700
• Fix Additional parentheses are introduced when match is piped. #1698
• Fix \t in string replaced by ASCII 9. #1695
• Fix Idempotency problem with nested else if. #1648
• Fix Idempotency problem with ifdef in a function. #1646
• Fix string interpolation part crossing max line length introduces new line and lots of whitespace. #1511
• Fix Splitting generic type parameters over multiple lines sometimes puts the break in an invalid place. #1687
• Fix Idempotency problem related to comments in with. #1686
• Fix Upcast requires a line break but is not given one. #1685
• Fix Idempotency problem when trying to format a type with method chaining in it. #1681
• Fix Line comments after null value used as argument in function call are removed. #1676
• Fix Idempotency problem when trying to format a type with method chaining in it. #1681
• Fix Comment after constant got moved to the next line. #1671
• Fix Idempotency problem when ending with a comment. #1649
• Fix end_of_line not respecting when file has ifdef. #1673
• Fix Attributes in a recursive type get misplaced. #1668
• Fix alternative_long_member_definitions docs. #1666
• Fix Stack overflow on macOS for long pipelines. #1453
• Fix Comment inside empty Elmish children is lost. #1179
• Fix Long .Setup line in Moq code results in broken indentation. #1662
• Fix Don't introduce parenthesis around SynPat.IsInst. #1660
• Fix Offside error splitting long line. #1651
• Fix Offside errors after formatting. #1650
• Fix Idempotency problem with with block. #1647
• Fix Formatting code makes Interpolated verbatim strings to non-verbatim strings, which breaks the code. #1645
• Fix Comment stripped in a record with semi-colons. #1643
• Fix Another shape which isn't respecting KeepIndentInBranch. [#1638](https://github.com/fsproje...

February Release

4.4.0 _{"Life Eternal"} February release

• Revisit SynExpr.IfThenElse. #1258
• Target netcoreapp3.1 for fantomas-tool.
• Stricter trivia selection. #1304
• Fix Idempotency problem when function argument's type annotation requires brackets. #1470
• Fix Inconsistency about when fantomas decides to split () (unit) to the next line. #1469
• Fix Unexpected newline between hash directives. #1464
• Fix Oscillating newlines in custom computation expression. #1463
• Fix Violation of "avoid name-sensitive alignments" clause. #1422
• Fix Incorrectly combines tokens when formatting. #1407
• Fix string interpolation with multi-line string causes literal part to change. #1451
• Fix when clause in try-with block gets split and causes compiler warnings about indentation. #1406
• Fix Long line breaks match. #1403
• Fix Long line causes offside error. #1402
• Fix Nested matches format into something invalid. #1400
• Fix Shortening big if clause still creates compiler warnings. #1390
• Fix “FS0058: Possible incorrect indentation” on function composition after running Fantomas. #1341
• Fix Typed App followed by chained lambda should not add space. #1448
• Fix TypedApp should not have a space when chained. #1447
• Fix Unexpected newline after short match expression. #1445
• Fix Space after chain lambda function is not allowed. #1440
• Fix Formatting error with MultilineBlockBracketsOnSameColumn. #1396
• Fix fsharp_space_before_uppercase_invocation=true breaks method calls. #1437
• Fix Crash regression on 4.4.0-beta-003. #1438
• Fix MultiLineLambdaClosingNewline concats lambda arguments. #1427
• Fix member val causes invalid code to be generated. #1426
• Fix Surround return type annotations with white space [F# style guide]. #1420
• Fix Lists concatene onto one line invalidly. #1405
• Fix Accessibility modifier on record causes unindentation of following type. #1404
• Fix Invalid addition of a space after constructor invocation. #1401
• Fix "Inline" is incorrectly stripped out in FSI file. #1399
• Fix Multiple type checks in a try/with get collapsed. #1395
• Fix Short line length and member constraint leads to invalid code. #1394
• Fix Object expression newline gets added/removed. #1388
• Fix Arrays of constructors with lots of arguments gets dedented too much. #1382
• Fix Format in pre-commit hook. #1207
• Fix Shortening an 'if' condition causes compilation warnings about indentation. #1374
• Fix Some escapes are unexpectedly modified in character literal patterns. #1372
• Fix Fantomas formats with an error for very long DU case match. #1364
• Fix Fantomas errors out on new Foo "". #1363
• Fix Aesthetics of long members in a type declaration. #1362
• Fix Comment on first constructor argument gets removed. #1350
• Fix “FS0058: Possible incorrect indentation” around if/then/else after running Fantomas. #1349
• Fix Failing to format file should return an exit code different than 0. #1340
• Fix Shorter MaxLineLength with long variable name yields invalid F# code according to fantomas. #1241
• Fix MultilineBlockBracketsOnSameColumn should be honored inside match block. #1238
• Fix Update constructor formatting to match MS Style guide. #1359
• Fix Violation of name-sensitive alignments. #1358
• Fix Pattern matching breaks code when expression is long and somewhat complex. #1352
• Fix Inserts extra newline everytime formatter runs. #1346
• Fix Functions looses space before parameter if func is defined inside method. #1345
• Fix Required backslash removed in string interpolation. #1344
• Fix Swallows comment before #nowarn directive. #1220
• Fix Swallows comment inside with block (of a try-with). #1219
• Fix Program.fs inside full path can lead to invalid AST. #1337
• Fix Formatting of long parameter lists. #657
• Fix DotGet inside If expression not correct on second format. #1329
• Fix Pipe is indented too far. #1327
• Fix IfThenElse piped leads to invalid code. #1324
• Fix Multiline when condition in pattern match needs to be further indented. #1320
• Fix Add comma in front of expression in tuple with if/then/else. #1319
• Fix New line before for loop not preserved. #1317
• Fix Newline before set expression is lost. #1314
• Fix Newline after let bang is missing. #1313
• Fix Revisit place parameters on a new line for long definitions. #1307
• Fix static member should only have a single indent. #1300
• Fix Elmish-like syntax using yields with interspersed let statements breaks the code. #1191
• Fix The 'member' keyword gets deleted in 'abstract member' declarations. #1106
• Fix Don't indent too far. #659
• Fix static member should only have a single indent. #1300
• Fix Named string argument to type provider requires a space prior to '@', which Fantomas removes. #1209
• Fix Don't indent too far. #659
• Fix spaces removed from string. #1290

Special thanks to @btzo, @knocte, @HumbertoCortes, @theothornhill, @Evangelink, @josh-degraw, @johlrich, @suside, @vain0x, @ursenzler, @TobyShaw, @JackMatusiewiczGR, @Smaug123, @c-rindi, @jgiannuzzi and @stackedsax

https://www.nuget.org/packages/fantomas-tool/4.4.0

December release

4.3.0 _{"See The Light"} December release

• Feature Clarify constructors. #1217
• Feature MultiLineLambdaClosingNewline. #1221
• Feature Disable Elmish syntax. #1198
• Support user-provided end-of-line characters. #1231
• Add option to make expressions multiline based on number of subexpressions rather than character length. #1143
• Update to FCS 38. #1240
• Fix Comment after let binding breaks downstream output. #1284
• Fix Comments are removed before and after empty array literals. #1281
• Fix Use a safe filename when formatting from CodeFormatter. #1279
• Fix Incorrect movement of a comma. #966
• Fix Bracket indentation is incorrect. #1271
• Fix tuple with match formats to invalid code. #1269
• Fix Incorrect movement of a comma. #966
• Fix Not adding a space even when all SpaceBefore* settings are enabled. #964
• Fix Multiline if condition can have incorrect indentation error. #1267
• Fix multiline do bang gives a warning. #1265
• Fix regressions. #1264
• Fix multiline yield bang in list should be further indented. #1254
• Fix Or pipe in destructured record should not be splitted. #1252
• Fix Swap order of private and inline. #1250
• Fix Comment is lost in enum. #1247
• Fix Nested if/else/then in short mode. #1243
• Fix Something doesn't add up in fix for 303. #1093
• Fix Fantomas format is "unstable/oscillates" after upcast operator: adds/removes empty line. #1227
• Fix Misplaces = in function signature so it's invalid F# code. #1218
• Fix Additional newline is added between if/elif and for loop. #1211
• Fix Let binding in hash directive disappears. #1205
• Fix Downcast operator doesn't get a new line. #1203
• Fix Implicit unit else results in extra lines with each reformat. #1187
• Fix Incorrect formatting of function parameter application with lambdas. #1201
• Fix Lambda functions in fluent API calls should indent further. #970
• Fix Hard to read code when using Thoth.Json. #685
• Fix --check should ignore the line endings. #1196
• Fix Format entire return type on the line. #1181
• Fix Only add one in keyword in LetOrUse. #1176
• Fix Multiline SynPat.Record in pattern match is formatted as a mixture of single/multiline styles. #1173
• Fix Inconsistent indentation of multiline records with internal keyword when fsharp_multiline_block_brackets_on_same_column is on/off. #1171
• Fix Lambda argument splits in awkward way. #1164
• Fix Multiline expression should be on next line. #1158
• Fix Missing in keyword makes code invalid. #1114
• Fix Invalid code after format. #1032
• Fix Space before ^ SRTP type is removed in function call. #984
• Fix Shouldn't remove space after colon. #908
• Fix Crash when formatting with config file. #824
• Fix Formatting typeof generic static constraint fails to compile. #803
• Fix Indenting of record definition when internal. #658

Special thanks to @Fizzixnerd, @baronfel, @SamarSha, @btzo, @aarani, @WalternativE, @ThisFunctionalTom, @ShalokShalom, @deviousasti, @knocte, @JackMatusiewiczGR, @Smaug123, @c-rindi, @jgiannuzzi and @stackedsax

https://www.nuget.org/packages/fantomas-tool/4.3.0

Late September Release

4.2.0 _"Ritual" Late September release

• Feature MaxDotGetExpressionWidth. #501
• Fix Confusing symmetry between infix operators. #988
• Fix Comment before closing parenthesis is lost. #1146

https://www.nuget.org/packages/fantomas-tool/4.2.0

4.1.1 release

4.1.1

• Fix No newline between module and first declaration. #1139
• Fix additional new lines added after each call to format. #1137
• Fix Generics error when breaking line. #1134
• Fix Comments on DUs parameterized by functions are dropped. #1128
• Fix Preserve underscore in number. #1120

https://www.nuget.org/packages/fantomas-tool/4.1.1

September release

4.1.0 _{"If You Have Ghosts"} September release

• Ignore files by .fantomasignore file. #420
• Limit trivia by AST MainNode name. #992
• Lead by example. #666
• Verify all unit test whether the formatted code is valid. #842
• Fix Comments get dropped from the end of multi-line records. #1124
• Fix Functions in nested modules which follow a type consisting of only one member of a DU are un-nested from that module. #1123
• Fix After discriminated union in module wrongly indented. #1122
• Fix Extra whitespace with a type which has an attribute. #1116
• Fix Adds newline between comments and (all but the first) attribute. #1108
• Fix Extra whitespace lines added in fsi files at the end of a nested module declaration. #1105
• Fix Extra new line is added before attributes. #1097
• Fix Comments after closing brace are lost. #1096
• Fix Comment after Or operator lost. #1095
• Fix Trivia before bar is being repeated. #1083
• Fix Comment after arrow is being duplicated. #1082
• Fix Allow line break after return to avoid excessive indenting/aligning. #1062
• Fix Name of static members are removed/empty. #1059
• Fix When using parenthesis in type definition, it will sometimes keep adding additional () for each time fantomas i run. #1057
• Fix Multiline string in use expression. #1055
• Fix Issue #246 has returned in v4.0.0. #1051
• Fix Indentation after multiple hash directives is off. #1026
• Fix if/then/else indented too far. #1054
• Fix Single AST node should contain trivia. #1031
• Fix Formatter adds extra newlines between type and any subsequent val in .fsi files. #1029
• Fix Comments in if/then/else statements are sometimes deleted. #1019
• Fix Moves type name around when writing constrained type definitions. #1018
• Fix Line break before bracket on long method call followed by member access causes semantic change. #994
• Fix Long union case should be split over multiple lines. #972
• Fix FSI formatting does the wrong thing with comments on single-case DU. #965
• Fix Invalid unit test should break lines on multiline if conditions. #863
• Fix Abstract member declarations don't follow page width. #435

Special thanks to @gihyeonsung and @knocte.

https://www.nuget.org/packages/fantomas-tool/4.1.0