v3.4.1

Fixed

• Use correct culture (CurrentCulture) when no FormatProvider is provided in Append and Insert methods.

v3.4.0

Added

• Append and Insert can have FormatProvider. Reported by @SMAH1 in #276

v3.3.0

Added

• Added AppendInterpolatedStringHandler to support zero-allocation string interpolation in Append and AppendLine methods.

v3.2.0

Changed

• Renamed PadLeft(ReadOnlySpan<char>, int, char) and PadRight(ReadOnlySpan<char>, int, char) to AppendPadLeft(ReadOnlySpan<char>, int, char) and AppendPadRight(ReadOnlySpan<char>, int, char) respectively.

v3.1.0

Added

• Added PadLeft(ReadOnlySpan<char>, int, char) and PadRight(ReadOnlySpan<char>, int, char) methods to append padded strings without allocating additional memory (by @SMAH1 in #260)

v3.0.0

This is the v3 major release. The API is almost the same as in v2 - there is only a slight change in the Concat static helper method to reflect a less-boxed API.

Added

• .NET 10.0 support
• IndexOf, LastIndexOf, and Contains methods now support StringComparison

Changed

• ValueStringBuilder.Concat uses params ReadOnlySpan<T> to reduce boxing and improve performance.

v2.4.1

Changed

• Optimized Replace(char, char) (by @Joy-less in #241)
• Optimized Replace(ReadOnlySpan<char>, ReadOnlySpan<char>) when both spans are length 1 (by @Joy-less in #241)

v2.4.0

Added

• Added ToString(int) (by @Joy-less in #239)
• Added AsSpan(int), AsSpan(int, int), AsSpan(Range) (by @Joy-less in #239)

Changed

• Optimized and simplified Replace (by @Joy-less in #238)
• Simplified IndexOf and LastIndexOf (by @Joy-less in #238)

Fixed

• Fixed IndexOf and LastIndexOf allowing out-of-bounds index when the string to find is empty (by @Joy-less in #238)

v2.3.1

Changed

• Optimized when the internal buffer should grow. Fixed by @Aniobodo.

v2.3.0

Added

• Added Equals(ReadOnlySpan<char>, StringComparison) (by @Joy-less in #234)

Changed

• Improved Equals(ReadOnlySpan<char>) (by @Joy-less in #234)
• Added performance short-circuit when span is empty in Append(ReadOnlySpan<char>), AppendSpan(int), Insert(int, ReadOnlySpan<char>) in #233 (by @Joy-less)