v5.15.2

⚡ Performance Improvements

• b3fd7a2 - performance improvements (commit by @rmhubbert)
• 02c9452 - runtime performance tweaks (commit by @rmhubbert)
• f6f321a - runtime performance tweak (commit by @rmhubbert)

♻️ Refactors

• 74a2f6b - deliberately ignore Write return values (commit by @rmhubbert)

✅ Tests

• 7572b1a - add comprehensive benchmark tests (commit by @rmhubbert)