• Performance Improvements
    • Modularity
    • Context, Batch Insert, Prepared Statement Mode, DryRun Mode, Join Preload, Find To Map, Create From Map, FindInBatches supports
    • Nested Transaction/SavePoint/RollbackTo SavePoint supports
    • Named Argument, Group Conditions, Upsert, Locking, Optimizer/Index/Comment Hints supports, SubQuery improvements
    • Multiple fields support for tracking create/update time, which adds support for UNIX (milli/nano) seconds
    • Field permissions support: read-only, write-only, create-only, update-only, ignored
    • New plugin system: multiple databases, read/write splitting support with plugin Database Resolver, prometheus integrations…
    • New Hooks API: unified interface with plugins
    • New Migrator: allows to create database foreign keys for relationships, constraints/checker support, enhanced index support
    • New Logger: context support, improved extensibility
    • Better customized data type support (e.g: JSON)

    v1.0 - 2016.04

    • returns *gorm.DB instead of gorm.DB
    • Updating will only update changed fields
    • Soft Delete’s will only check deleted_at IS NULL
    • New ToDBName logic
      Common initialisms from like HTTP, URI was converted to lowercase, so ‘s db name is http, but not h_t_t_p, but for some other initialisms not in the list, like SKU, it’s db name was s_k_u, this change fixed it to sku
    • Error has been renamed to ErrRecordNotFound
    • Hstore has been moved to package github.com/jinzhu/gorm/dialects/postgres