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Table of Contents Day 1: September 8Day 2: September 9RegisterJoin live sessions and ask questionsRecordingsHashtagsWe are excited to invite you to IntelliJ IDEA Conf 2026, a free virtual event on September 8-9, 2026. IntelliJ IDEA Conf is a celebration of …

Table of Contents Not a sales pitchWhat Just HappenedHow findings like this are now getting madeThis is mainstreamSeven VulnerabilitiesThe Critical RCEsThe Access Control and Deserialization BypassesThe Validator Is the VulnerabilityThe Creaking Disclosure PipelineWho’s EffectedIf you are on an EOL streamWhat …

Table of Contents The Remaining GapWhat We Are BuildingThe Core Idea: Externalizing Workflow StateThe Checkpoint DocumentCheckpoint LifecycleGiving the Model the Ability to Observe The SystemsPropagating Context Into Tool MethodsAudit Trails with ToolExecutionPause, Inspect, ResumeA Demo ScenarioWhat This Architecture Makes PossibleConclusionThis …

Table of Contents What ShippedWasmGC: The Libraries Get SmarterTail Call OptimizationsOne More JAR: tree-sitter for JavaBeyond Libraries: Endive as a HostWhat’s NextGet StartedA few weeks ago, we wrote about a new generation of Java libraries powered by WebAssembly. SQLite, QuickJS, …

Table of Contents Why Your Codebase Is Forcing AI to Underperform, and What to Do About ItThe Context Window Is Your AI’s Working MemoryUnused & Dead Code Is More Common Than You ThinkRuntime Evidence Changes the PictureAI-Assisted Code Removal WorkflowThe …

This week adds a native Linux desktop port, an Apple Watch and Wear OS port, a visual Game Builder with a high-level gaming API, and seamless crash protection that symbolicates native crashes and files them as GitHub issues. We also rebuilt the build cloud from the ground up.

Table of Contents Why Are We Still Here? 👀The Mistake Everyone Makes: The Big JumpStep 1: Read Your Codebase Before You Touch Anything 🔍Step 2: The Tools That Actually Help (and the Ones That Gaslight You)OpenRewrite ✅jdeprscan ✅Maven Enforcer Plugin …

Table of Contents And why MongoDB might be a better relational database than you ever realized.The video streaming service use case: profiles, devices, and device types (a recap)Optimization, Step 1: removing the $unwind stagesAnd why MongoDB might be a better …

Table of Contents What is Pi4J Drivers?Pi4J Drivers Reaches Version 1.0.0Why is Pi4J Drivers Important?A Community-Driven Driver EcosystemLearning Through Pi4J ExamplesA Simple ExampleA Hat ExampleConclusionWhen developing Java applications for Raspberry Pi, Pi4J is one of the most popular libraries for …

Table of Contents A Critical Security Fix, Patched Across Every BranchAzul Payara 7.1.0: Supported Payara 7, Post-GABug FixesImprovementsImprovementsComponent UpgradesAzul Payara Community 7.2026.6Behaviour Change to Note: Server “Ready” Signal TimingAzul Payara 6.39.0: Jakarta EE 10, ContinuedComponent UpgradesAzul Payara 5.88.0: Jakarta EE …

Table of Contents The Problem with Three Return TypesWhat Is a Query Transformer?The Transformer ContractLive Examples: Inline Closures1. Envelope with Metadata2. Domain Object Hydration3. Tabular Format (Near Zero-Copy)4. Rich Column DescriptorsReusable Class TransformersRegistered App-Level TransformersTransformer Resolution Orderbx:query Component SupportJDBC Metadata: …

Table of Contents The floating-point problemIEEE 754Naive equality checksstrictfp, the x87 FPU, and Java 17’s silent fixThe NaN and -0.0 landminesWhen double is the right choiceReducing floating-point errorsKahan Compensated SummationNeumaier’s improved Kahan-Babuška algorithmPairwise summationFused multiply-addWhat BigDecimal actually solvesConstructing BigDecimal from …