The 8th alpha resease of OrioleDB incorporates the following changes.

• Various fixes for segfaults and inconsistencies during checkpointing,
• Fix inconsistent snapshots on replica,
• Fix inconsistent snapshots for autonomous transactions,
• Fix useless assignment of PostgreSQL xids,
• Separate CI check for CHECK_PAGE_STRUCT macro,
• Check for warnings during CI,
• Documentation improvements: project structure, free space management,
• Reference PostgreSQL patches tags via .pgtags file.