v0.2.9

What's Changed

• Update autotuner.md with LFBO Pattern Search by @ethche in #1293
• Pin pyrefly to 0.44.0 by @oulgen in #1313
• [CI] Bump pyrefly to 0.46 by @oulgen in #1314
• [CI] Bump ruff to 0.14.10 by @oulgen in #1315
• Update Events with Helion Tutorial at PLDI 2026 by @choijon5 in #1316
• Incorporate loop iteration variable for rand by @oulgen in #1310
• Add compile time breakdown by @oulgen in #1312
• Update pyrefly to 0.46.2 by @rchen152 in #1317
• Pin pyrefly in lint.yml to 0.46.2. by @rchen152 in #1318
• settings: normalize HELION_AUTOTUNER parsing by @fulvius31 in #1308
• Support hl.barrier for mega-kernels by @jansel in #1151

Full Changelog: v0.2.8...v0.2.9