Summary of New Features in 11.2
A list of key new features since 11.1, including features experimental in 11.2.
Core Language
open all close allTakeList — successively take sequences from a list
TwoWayRule () — symbolic representation of two-way rules
Span (updated) — support for UpTo and All
FindRepeat — find minimal repeating sublists
Strings & Display
ByteArrayToString ▪ StringToByteArray
DecimalForm — print approximate real numbers without scientific notation
DefaultPrintPrecision ▪ ScientificNotationThreshold
Capitalize (updated) — title case and other capitalization schemes
Mathematical Computation
Continuous Limits »
Limit () (updated) — support for undirected, nested and multivariate function limits
MinLimit (), MaxLimit () — new lower and upper function limits
DSolveValue (updated) — can now directly give limiting values
, , — prefix operators for limits
Discrete Limits »
DiscreteLimit () — limits of sequences, e.g. recurrence and number theory
DiscreteMinLimit (), DiscreteMaxLimit () — lower and upper sequence limits
RSolveValue (updated) — can now directly give limiting values
Integral Transforms »
RadonTransform, InverseRadonTransform — support for Radon transforms
FourierTransform (updated) — support for transforms of periodic functions
FourierSinTransform ▪ FourierCosTransform ▪ LaplaceTransform ▪ ...
Summation Transforms »
FourierSequenceTransform (updated) — support for transforms of periodic sequences
ZTransform ▪ GeneratingFunction ▪ ExponentialGeneratingFunction ▪ ...
Direct Access to Low-Level Numerical Linear Algebra »
Geometry »
Boolean Operations »
RegionIntersection (updated) — greatly improved support for Boolean operations
RegionUnion ▪ RegionDifference ▪ BooleanRegion ▪ ...
Region Discretization
RegionImage — generate a 2D or 3D image from a region
Topological Operations
CylindricalDecomposition (updated) — now compute interior, exterior, boundary, etc.
Mathematical Functions »
New Elliptic Functions »
WeierstrassHalfPeriodW1 — the half-period 
for Weierstrass elliptic functions
WeierstrassHalfPeriodW2 ▪ WeierstrassHalfPeriodW3 ▪ WeierstrassInvariantG2 ▪ WeierstrassInvariantG3
WeierstrassE1 — the value 
at the half-period 
for WeierstrassP
WeierstrassEta1 — the value 
at the half-period 
for WeierstrassZeta
WeierstrassEta2 ▪ WeierstrassEta3
Improved Elliptic Functions »
EllipticExp (updated) — improved numerical evaluation of elliptic functions
EllipticLog ▪ WeierstrassP ▪ WeierstrassPPrime ▪ WeierstrassZeta ▪ InverseWeierstrassP ▪ WeierstrassSigma ▪ JacobiSN ▪ JacobiSC ▪ ...
Machine Learning
Automated Machine Learning
Classify, Predict (updated) — new automation, methods and monitoring
TimeGoal — specify how much time to spend on a training task
FeatureTypes (updated) — support for audio and sequences
FeatureExtraction (updated) — new support for word vectors and audio
DistanceMatrix (updated) — new options for feature extraction and distance functions
RandomSeeding — detailed control of random seeding in algorithms
Neural Networks
ElementwiseLayer (updated) ▪ AggregationLayer (updated) ▪ DropoutLayer (updated) ▪ ResizeLayer (updated) ▪ PaddingLayer (updated) ▪ ReplicateLayer (updated)
Applications
ImageRestyle — restyle one image to follow another
Geo-Related Computation
GeoImage — satellite image of a given region
GeoAntipode — antipodal position
TideData — compute tides for all standard tide stations
Image Computation »
RegionImage — convert regions to 2D and 3D raster images
CurrentScreenImage — capture an image of your screen
CurrentNotebookImage — capture an image of a notebook
Image, Image3D (updated) — more arithmetic and statistical operations on images
HighlightImage (updated) — automatic choice of highlighting style
ColorQuantize (updated) — new quantization methods and improved performance
ImageEffect (updated) — new effects
Audio Computation »
SpeechSynthesize — synthesized speech Audio from text
Audio (updated) — support for stereo playback and improved device handling
AudioCapture (updated) — support for Linux systems and additional controls
Programmatic Playback
AudioPlay, AudioStop, AudioPause — programmatic control of playback
Visualization
Stacked Plots
StackedListPlot — plot values stacked on top of each other
StackedDateListPlot — plot time series stacked on top of each other
PlotLayout — option for stacked and percentile layout for many functions
AnatomyPlot3D (updated) — support for 20+ plot themes
FeatureSpacePlot (updated) — dramatically improved labeling performance
WordCloud (updated) — new options for processing and selection of words
Importing & Exporting »
ImportByteArray, ExportByteArray — import and export to and from byte arrays
Machine Learning Formats
"WMLF" — Wolfram general machine learning model format
"MXNet" — MXNet model format
External Language Expressions
"JavaScriptExpression" ▪ "PythonExpression"
Geo Formats
"GeoJSON" — geographic regions and features encoded in JSON
Raster Image Formats »
"FITS" (updated) ▪ "PNG" (updated) ▪ "GIF" (updated)
Tabular & Spreadsheet Formats »
"CSV", "TSV" (updated)— better performance and stability, better partial file access
Compression & Archive Formats »
"ZIP", "TAR" (updated) — support for exporting associations
Input Interpreters
"AnatomicalFunctionalConcept" ▪ "CognitiveTask" ▪ "Neuron" ▪ ...
External Operations
External Language Interfaces
ExternalEvaluate — evaluate a command in an external language (Python, JavaScript, ...)
StartExternalSession — start a persistent connection to an external language evaluator
ExternalSessionObject ▪ ExternalSessions ▪ FindExternalEvaluators ▪ RegisterExternalEvaluator ▪ UnregisterExternalEvaluator
Authentication
Authentication (updated) — updated handling of passwords for external sites
SecuredAuthenticationKey — symbolic representation of OAuth credentials
SendMail (updated) — updated mail settings, email validation, mail processing function
Publish-Subscribe Channel Communication
ChannelReceiverFunction — automatic responder for received messages
ChannelBrokerAction — option to specify actions on the channel broker server
Socket & ZeroMQ Communication
SocketOpen — open a network socket (e.g. to set up a server)
SocketListen — listen on an open network socket
SocketConnect (updated) — added support for ZeroMQ
SocketReadMessage — read an entire message from a socket
SocketObject (updated) ▪ SocketListener ▪ Sockets ▪ SocketWaitNext ▪ SocketWaitAll ▪ SocketReadyQ
Resource System
ResourceSubmit — submit a resource for publication
$PublisherID — unique ID used for resource submissions
Background & Scheduled Tasks
SessionSubmit — submit a task to perform asynchronously in the current kernel
LocalSubmit — submit a task to perform in a separate subkernel
CloudSubmit (updated) — submit a task to perform asynchronously in the cloud
TaskObject — general object representing a background task
TaskExecute — immediately execute an asynchronous task
TaskResume ▪ TaskSuspend ▪ TaskRemove ▪ TaskAbort ▪ TaskWait
Tasks — list all currently submitted tasks
$CurrentTask — the TaskObject of the task in which it is evaluated
ScheduledTask (updated) — control through task objects
HandlerFunctions (updated) — support for TaskObject
URLSubmit (updated) — support for TaskObject
URLDownloadSubmit — submit a URL for asynchronous download
Initialization & Persistence Framework
InitializationValue — settable value to be assigned to a symbol on startup
InitializationObjects — give a list of all initialization objects
$Initialization — symbol to release and evaluate after main system initialization
Initialize — perform initialization for individual symbols or the whole system
$PreInitialization ▪ $InitializationContexts ▪ $NoValue ▪ ValuePreprocessingFunction ▪ EvaluationEnvironment
PersistenceLocation (updated) — support for Notebook as a location type
Once (updated) — support for local persistent caching
System Operations
Files & Objects
FileSize — size of a file, as a quantity
DeleteObject — delete local, cloud, etc. objects
System Information & Control
MemoryAvailable — estimate amount of free memory available
$NetworkConnected — test if your computer has an active network interface