Oracle officially launched Java 27 on the 16th, adding post-quantum cryptography to enterprise communication standards and expanding tools for AI, cloud and data-intensive applications. Its most significant security change is hybrid key exchange in TLS 1.3, designed to address harvest-now, decrypt-later attacks by allowing enterprises to transition toward newer encryption standards without extensively changing existing application code. Java Flight Recorder now supports in-process data redaction, while Oracle Zipher 20, an OpenSSL-based module certified under FIPS 140-3, supports the latest JDK releases and post-quantum algorithms through standard Java interfaces for regulated financial and public-sector environments. Java 27 also enhances AI and parallel workloads through the Vector API and Structured Concurrency, expands pattern matching, adds Lazy Constants, enables compact object headers by default and makes the G1 garbage collector standard across supported environments. Oracle released Helidon 27 and JavaFX 27, and made a JDK 28 early access build available with previews of Project Valhalla and ongoing Project Leyden work. Oracle shares closed down 1.34% at $142.85 on the 15th, when the Java 27 release announcement was made, as broader technology-sector weakness outweighed the product news.