+1 for releasing 0.4.0. I don't see any blockers at this moment. It will still take a while for Arrow C++ to merge the variant PR so we can defer it to 0.5.0.
Thanks Manu for volunteering! On Sat, Sep 19, 2026 at 12:20 AM Manu Zhang <[email protected]> wrote: > Hi folks, > > Iceberg-cpp 0.3.0 was released in June. Since then, 174 commits have > landed on main, including several key features and enhancements: > > - Iceberg v3: Support for new types (timestamp_ns, timestamptz_ns, > unknown, geometry, geography), column default values, binary deletion > vectors, and row lineage. > - Table updates: MergeAppend, DeleteFiles, RowDelta, OverwriteFiles, > RewriteFiles, and ReplacePartitions. > - Performance: Parallel manifest reads and writes, lazy scan planning, > an LRU cache, and metrics for commits and scans. > - Catalogs and IO: REST SigV4 and OAuth2 token exchange, vended > credentials, an initial Hive Metastore client, and ResolvingFileIO. > - Other updates: Pluggable logging (optional spdlog backend) and > metadata table scans (SnapshotsTable). Meson build support has been removed. > > Given this progress, I would like to propose starting the 0.4.0 release. > Ongoing work, such as variant types, encryption, and Puffin statistics, > will be deferred to a later release. > > Please let me know your thoughts. If there are no objections, I am happy > to act as the release manager, with Gang Wu kindly offering support. > > Thanks, > Manu > >
