Whatâs New in 3.0 – Gatling Open-Source Load Testing Documentation

Core¶

#1647: Support closed workload model, see here.
#2602: Introduce batch for batching file based feeders instead of loading full content in memory, see here.
#2634: Introduce doWhile loop, see here.
#3067: Add percentile(rank: Double) assertion.
#3189: Remove Validation#get.
#3283: Introduce asLongAsDuring and doWhileDuring loops, see here.
#3359: Support Java 9, 10, 11.
#3384: Introduce readRecords for reading feeder content, see here.
#3395: Automatically parse String values stored in Session into expected type, eg numbers.
#3399: Introduce unzip for compressed feeder files, see here.
#3415: Support overriding Gatling configuration file name, see here.
#3486: Make console print period configuration, see gatling.conf.
#3498: Allow the user to pass arbitrary scalac options.
#3345: Introduce meta DSL components incrementUsersPerSec and incrementConcurrentUsers.

#1744: SOCKS 4 and 5 proxies support, see here.
#3007: Introduce strategies for naming inferred resources, see here.
#3028: Support Pebble templating engine for crafting request bodies, see here.
#3042: HTTP/2 support, see here.
#3043: baseUrls is now sticky for a given virtual user, see here.
#3071: New WebSocket and SSE API, see here.
#3088: Introduce findRandom to pick a random check result, see here.
#3105: Introduce name for customizing check error message, see here.
#3167: Introduce getCookieValue, see here.
#3195: ofType now deep converts into Scala Map and Seq types.
#3313: form check should extract String or Seq[String] depending on input cardinality.
#3325: Use unsecured TrustManager by default.
#3341: Introduce isNull and notNull check validators for dealing with null values, typically from JSON, see here.
#3412: Introduce asyncNameResolution for switching to non-blocking DNS resolver instead of Java’s one, see here.
#3496: transformResponse now takes a Session parameter, see here.
#3521: Gatling now uses BoringSSL based SSLEngine by default.
#3560: Every virtual user now has its own SSLContext, except if shareConnections is enabled.