packages/runtime-host/protocol-compatible-changes/base64-length-allocation.json - maka - Git at Google

 {
   "epoch": 147,
   "files": [
     "packages/runtime-host/src/protocol/artifact.ts",
     "packages/runtime-host/src/protocol/session-transcript.ts"
   ],
   "reason": "Replace decoded Buffer allocation used only for byte counts with Buffer.byteLength after the existing Base64 grammar checks. Transcript canonical decode/re-encode validation remains unchanged; artifact padding acceptance, decoded lengths, bounds, errors and all message shapes are identical. No peer can observe the removed temporary buffers."
 }
	{
	"epoch": 147,
	"files": [
	"packages/runtime-host/src/protocol/artifact.ts",
	"packages/runtime-host/src/protocol/session-transcript.ts"
	],
	"reason": "Replace decoded Buffer allocation used only for byte counts with Buffer.byteLength after the existing Base64 grammar checks. Transcript canonical decode/re-encode validation remains unchanged; artifact padding acceptance, decoded lengths, bounds, errors and all message shapes are identical. No peer can observe the removed temporary buffers."
	}