Month: 2026-06. This period focused on hardening memory safety in the Vorbis decoder inside SDL_mixer (libsdl-org/SDL_mixer) to improve stability for larger or more complex Vorbis streams, aligning with upstream improvements in stb_vorbis and reducing crash surfaces during playback. Key feature delivered - Vorbis Decoder Memory Allocation Safety (64-bit Calculations): Updated memory allocation sizing to use 64-bit integers for calculations to prevent potential overflows, while maintaining compatibility with 32-bit memory fields. The change expands setup_malloc() size parameter to uint64 and adjusts related calculations, with explicit rejection of allocations exceeding INT_MAX due to underlying 32-bit memory fields. Upstream references and mainstream PRs are documented for traceability. Major bugs fixed - Addresses memory allocation safety issues in the Vorbis decoder to avoid overflow scenarios when processing large streams (upstream STB/vorbis-related concerns) and mitigates potential crashes during decoding. Overall impact and accomplishments - Significantly reduces crash risk and memory-related instability in SDL_mixer playback for Vorbis-encoded audio, improving reliability for end users and downstream integrations. The change is carefully scoped to preserve existing 32-bit field constraints while enabling 64-bit arithmetic where safe, with clear upstream coordination. Technologies/skills demonstrated - C/C++ memory management, 64-bit arithmetic handling, compatibility with 32-bit memory layouts, code review and upstream collaboration, and maintaining cross-repo compatibility while delivering a high-impact bug fix.