Agree in principle, but I suspect some will warrant a wider discussion. For example, if the Calcite configuration option is no longer experimental, that would suggest that the Calcite engine is no longer in beta. Is that correct?
On Wed, 11 Feb 2026 at 14:44, Pavel Tupitsyn <[email protected]> wrote: > +1 > > On Wed, Feb 11, 2026 at 3:14 PM Maksim Timonin <[email protected]> > wrote: > > > > Hi Igniters, > > > > Before starting the 2.18 release process, I'd like to propose removing > the > > @IgniteExperimental annotation from several APIs that have been available > > for a long time and are actually stable (they haven't changed since their > > initial release). Some of such APIs are already used by our users. > > > > The "experimental" tag often discourages users from adopting these APIs, > as > > it creates an impression that the functionality is "half-baked" or > subject > > to breaking changes. Especially, when such flags persist over multiple > > releases, for years. > > > > Specifically, I propose removing @IgniteExperimenal from all APIs > > introduced in version 2.16 or earlier. Any future changes to these APIs > > should follow the standard process: deprecation first, if required. > > > > I recall our agreement that we can deprecate and remove APIs in > > even-numbered releases. So, I believe this proposal aligns perfectly with > > our policy. > > > > WDYT? > > > > 1. org.apache.ignite.spi.tracing.* - released in 2.10. > > 2. org.apache.ignite.IgniteServices#serviceProxy - released in 2.13. > > 3. org.apache.ignite.cache.query.IndexQuery - released in 2.12. > > 4. org.apache.ignite.calcite.CalciteQueryEngineConfiguration - released > in > > 2.13. > > 5. org.apache.ignite.IgniteCache#withReadRepair and > > org.apache.ignite.cache.ReadRepairStrategy - released in 2.13. > > 6. IgniteSystemProperties#IGNITE_ENABLE_SUBQUERY_REWRITE_OPTIMIZATION - > > released in 2.10. > > 7. IgniteSystemProperties#IGNITE_SNAPSHOT_SEQUENTIAL_WRITE - released in > > 2.15. > > 8. IgniteSystemProperties#IGNITE_CONFIGURATION_VIEW_PACKAGES - released > in > > 2.15. > > 9. org.apache.ignite.cache.CacheEntryVersion - released in 2.12. > > 10. org.apache.ignite.CacheConfiguration#getPlatformCacheConfiguration - > > released in 2.9. > > 12. org.apache.ignite.dump.* - released in 2.16. > > 13. > org.apache.ignite.spi.communication.tcp.*internal*.TcpCommunicationConfigInitializer > > - released in 2.9. > > > > Also, for fun - both @IgniteExperimental and @Deprecated: > > 1. IgniteSystemProperties#IGNITE_WAIT_FOR_BACKUPS_ON_SHUTDOWN > > 2. org.apache.ignite.mxbean.PerformanceStatisticsMBean >
