8.12.2 / 2025-03-21

• fix(document): avoid stripping out fields in discriminator schema after select: false field #15322 #15308
• fix(AggregationCursor): make next() error if schema pre('aggregate') middleware throws error #15293 #15279
• fix(populate): correctly get schematypes when deep populating under a map #15302 #9359
• fix(model): avoid returning null from bulkSave() if error doesn't have writeErrors property #15323
• types: add WithTimestamps utility type #15318 baruchiro
• docs: update references to the ms module in date schema documentation #15319 baruchiro
• docs: fix typo in schematypes.md #15305 skyran1278