The 3.7.0 release is a new feature release with the following highlights:

• RFC 87: Add GDT_Int8 support
• RFC 88: switch to GoogleTest framework for C++ tests
• RFC 89: SQL query logging callback
• RFC 90: Direct access to compressed raster data
• RFC 91: GDALDataset::Close() method
• RFC 93: OGRLayer::UpdateFeature() method
• RFC 94: Numeric fields width/precision metadata
• ogrinfo: make it accessible through a new GDALVectorInfo() C API call, and a -json switch
• Add read-only raster driver NOAA_B to read NOAA GEOCON/NADCON5 .b grids
• Add read-only raster driver NSIDCbin for Sea Ice Concentrations
• Add read-only vector GTFS (General Transit Feed Specification) driver
• TileDB: add read/write vector side
• Add support for SOZip (Seek Optimized ZIP) with enhanced /vsizip/ virtual file system and a new sozip utility
• OpenFileGDB: add read-only support for raster datasets (.gdb v10)
• PNG: 1.7-2.0x speed-up in whole image decompression with libdeflate on Intel/AMD CPUs. Benefits to GPKG, MRF drivers
• RFC 69: C++ code reformatting
• Code linting and security fixes
• Remove any traces of Rasdaman driver, now moved to OSGeo/gdal-extra-drivers repository (#4808)
• Bump of shared lib major version

and many other enhancements and fixes as detailed in the release notes