Summary of New Features in 11.1
A list of key new features since 11.0, including features experimental in 11.1.
Machine Learning
open all close allFeatureSpacePlot — display objects laid out in feature space
FeatureNearest — find objects nearest in feature space
Learning from Sequences
SequencePredict — predict subsequent elements from sequence examples
SequencePredictorFunction — symbolic representation of a sequence predictor
Learning from Actions
ActiveClassification — learn a classifier by actively probing a system
ActivePrediction — learn a predictor by actively probing a system
Neural Networks
NetModel — complete pre-trained net models
Neural Net Layers
LinearLayer ▪ ThreadingLayer ▪ AggregationLayer ▪ DotLayer ▪ PaddingLayer ▪ PartLayer ▪ ReplicateLayer ▪ ResizeLayer ▪ TransposeLayer
ContrastiveLossLayer ▪ SpatialTransformationLayer ▪ ImageAugmentationLayer ▪ LocalResponseNormalizationLayer
Recurrent & Sequence-Handling Layers
BasicRecurrentLayer ▪ GatedRecurrentLayer ▪ LongShortTermMemoryLayer
SequenceLastLayer ▪ SequenceMostLayer ▪ SequenceRestLayer ▪ SequenceReverseLayer ▪ UnitVectorLayer
Network Construction Operations
NetMapOperator — define a network that maps over a sequence
NetFoldOperator — define a recurrent network that folds in elements of a sequence
NetNestOperator ▪ NetPairEmbeddingOperator
NetReplacePart ▪ NetPortGradient
Managing Data & Training
TrainingProgressCheckpointing ▪ TrainingProgressFunction ▪ TrainingProgressReporting ▪ LearningRateMultipliers ▪ NetEvaluationMode
Audio Processing & Analysis
Audio Acquisition
AudioCapture — record an audio signal from a connected input device
$AudioInputDevices ▪ $DefaultAudioInputDevice ▪ AudioInputDevice
Audio Processing »
AudioReplace — replace an audio interval with a new audio signal
AudioInsert — insert an audio signal into an existing one
AudioSpectralMap — apply a filter to the short-time Fourier transform of an audio signal
AudioSpectralTransformation — perform a time-frequency transformation
Audio Properties »
AudioLoudness — compute standard loudness measures
AudioNormalize (updated) — normalization based on EBU loudness measures
Cepstral Analysis
Cepstrogram — plot the cepstrogram of a signal or an audio object
Image & Signal Processing
CurrentImage (updated) — significant increases in speed and robustness
Image, Image3D (updated) — comprehensive support for arithmetic and statistical operations
Computer Vision »
TextRecognize (updated) — level specification, property extraction, region-of-interest, etc.
ImageGraphics — convert bitmap images to symbolic vector graphics
Feature Extraction »
ImageKeypoints, FindGeometricTransform, ... (updated) — new keypoint types and methods
Computational Photography »
ImageEffect (updated) — added new effects
ImageExposureCombine (updated) — extended to handle HDR images
Computational Microscopy
BrightnessEqualize — estimate and equalize uneven image illumination
Image3DProjection — compute a projection of a 3D image onto a plane
Geometric Computation
Region — representation and automatic visualization of regions
Region Properties »
Perimeter — compute the arc length of the boundary of 2D solids
RegionEqual — test whether two regions are equal
RegionWithin — test whether a region is within another region
RegionDisjoint — test whether two regions are disjoint
Fractal Regions
SierpinskiMesh ▪ MengerMesh ▪ CantorMesh
Space-Filling Curves
HilbertCurve ▪ PeanoCurve ▪ SierpinskiCurve ▪ KochCurve
Mesh-Based Regions
DiscretizeRegion (updated) — improved discretization of parametric regions
PlotTheme (updated) — new "Showcase" and "Illustration" themes for mesh-based regions
MeshRegion, BoundaryMeshRegion (updated) — attached cells with direct actions
3D Coordinate Geometry
AnglePath3D — path formed by a sequence of translations and 3D rotations
SpherePoints — give points approximating uniform distribution on a sphere
Probability & Statistics
Descriptive Statistics »
Median (updated) — numerous performance enhancements and distribution support
Quantile ▪ Quartiles ▪ MedianDeviation ▪ TrimmedMean ▪ Variance ▪ ...
Spatial Descriptive Statistics
SpatialMedian — a robust spatial location measure
CentralFeature — the most central of a list of elements
Robust Descriptive Statistics »
WinsorizedMean — robust location statistics
TrimmedMean ▪ BiweightLocation
TrimmedVariance — robust dispersion statistics
WinsorizedVariance ▪ BiweightMidvariance ▪ QnDispersion ▪ SnDispersion
Matrix Distributions »
WishartMatrixDistribution (updated) — estimating distribution, PDF and other properties
GaussianOrthogonalMatrixDistribution ▪ MatrixNormalDistribution ▪ MatrixTDistribution ▪ ...
Distributions
HjorthDistribution — distribution used to model bathtub hazards in reliability
Hypothesis Tests »
LeveneTest (updated) — tests generalized to compare 
different datasets
Mathematical Computation
Calculus
D (updated) — symbolic-order derivatives, indexed formal differentiation, etc.
HankelTransform, InverseHankelTransform — Hankel integral transform
Sum (updated) — improved coverage with many additional sums
Real-Number Functions
RealAbs — real argument abs, which can be differentiated
RealSign — real argument sign, which can be differentiated
Number Theory »
ModularInverse — compute inverses in modular arithmetic
PrimitivePolynomialQ — test whether a univariate polynomial is primitive
General Algorithms & Computation
Sorting & Ordering »
ReverseSort — sort in reverse order
NumericalSort — sort according to numerical value
NumericalOrder — ordering function for numerical values
Sort (updated) — support for extended ordering specifications
Computational Systems
CellularAutomaton (updated) — new forms of rule specification
RulePlot (updated) — new formats and rule types
Date & Time
DateObject (updated) — extended description of discrete calendar granularities
DateOverlapsQ — test whether two calendar dates overlap
DateWithinQ — test whether a calendar date is within another date
CurrentDate ▪ NextDate ▪ PreviousDate
FromAbsoluteTime — conversion from absolute time
Data & Knowledgebase
Geographic Data »
GeoElevationData (updated) — improved elevation data, with four more levels of zoom
Engineering & Physics Data »
PsychrometricPropertyData — thermodynamic properties of moist air
SpectralLineData — properties of atomic levels and transitions
Wolfram Data Repository
ResourceData (updated)— access to hundreds of Wolfram Data Repository items
Integrated Services
WebSearch — external service for web search
WebImageSearch — external service for web image search
TextTranslation — external service for text translation between languages
Visualization
Machine Learning Visualization
FeatureSpacePlot — visualize feature vectors for numerical, textual, image etc. data
Geographic Visualization
GeoBubbleChart — bubble charts over geographic regions
Labeling Features
BarChart, PieChart, ... (updated) — support for Callout
Plot3D, ContourPlot, ... (updated) — support for ScalingFunctions
Histogram, Histogram3D, ... (updated) — optimized display for discrete data
Persistent Storage
PersistentObject — symbolic representation of a persistent object
PersistenceLocation — kernel session, local system, cloud, HTTP session, etc.
Import, Export & Interpretation
"UBJSON" — Universal Binary JSON format (.ubj)
"Ini", "PHPIni", "JavaProperties" — system configuration files
"GIF", "PNG", ... (updated) — speed, quality and scope enhancements
"HDF5" (updated) — support for structured and compound data and individual datasets
Spreadsheet-Oriented Data Interpretation
System & External Operations
BinarySerialize, BinaryDeserialize — efficient binary expression storage
URLResponseTime — find the time to start reading a URL
Cloud Functions & Deployment
Cloud Sharing
AutoCopy — always make a fresh copy of a cloud notebook or object
Enhanced API Specifications
AllowedCloudExtraParameters — extra parameters allowed for API calls
AllowedCloudParameterExtensions — extensions to allow for parameters
User Metadata
$CloudUserID — cloud user ID of the current user
$CloudUserUUID — cloud UUID of the current user