V7.0.0 -- Lucky Number 7!

Highlights

• Much improved LINQ provider support, including far more performant querying through child collections
• More efficient command execution pipeline in the Marten internals
• Effectively uses Polly for transient error resiliency
• Substantial improvements for asynchronous projections
• Dynamic tenant databases
• Some support for zero downtime projection rebuilds and versioned projections
• Project Aspire integration
• FetchForWriting() improvements

Issues Resolved

https://github.com/JasperFx/marten/milestone/96?closed=1

What's Changed

• Initial .NET 8 upgrade by @oskardudycz in #2789
• The giant Linq overhaul of 2023 by @jeremydmiller in #2793
• Disabling ordering when using count() operator in Linq statement generation by @jeremydmiller in #2811
• Test verifying an old Linq bug with flitering string arrays by @jeremydmiller in #2812
• querying child collections impacts each other by @T0shik in #2674
• Add failing test for #2433 by @luboshl in #2448
• Linq Fixes for SelectMany() by @jeremydmiller in #2814
• Test to verify that Include() plus ToPagedList() works after the LINQ overhaul by @jeremydmiller in #2816
• test from Hawxy on compiled queries by @jeremydmiller in #2817
• Improved Document Deletions by @jeremydmiller in #2818
• Fix for event Linq querying if you happen to have an Event.Id member by @jeremydmiller in #2819
• Little improvement to change tracking of dirty session because someone wanted that. by @jeremydmiller in #2820
• Modified ConsoleLogger to output array parameter values by @slovely in #2821
• Added support for IsNullOrEmpty and IsNullOrWhiteSpace string operators in Linq queries by @oskardudycz in #2823
• Fixed tenant id usage within compiled queries. Closes GH-2595 by @jeremydmiller in #2826
• Test cases verifying member comparisons in Linq. by @jeremydmiller in #2827
• Fixed EventProjection to respect global ordering by @oskardudycz in #2824
• Child collection linq improvements by @jeremydmiller in #2828
• Feeling good about duplicated value array fields. Closes GH-2768 by @jeremydmiller in #2831
• Making the CreatedAt expression use DateTimeOffset. Might not even ma… by @jeremydmiller in #2832
• using snake case instead of kebab casing for derived column names w/ … by @jeremydmiller in #2833
• using Activator.CreateInstance() to build aggregates w/ no public cto… by @jeremydmiller in #2834
• Fix GH-2835 by @mysticmind in #2836
• Add functionality to support custom sql query using with select format by @mysticmind in #2837
• Fix NGram index on nested property throwing an exception by @mysticmind in #2839
• Improved LINQ support for Dictionaries. Closes GH-2651 by @jeremydmiller in #2840
• Ability to define multi-column indexes with anonymous object ala EF C… by @jeremydmiller in #2841
• Better exception for unusable LINQ combination. Closes GH-2649 by @jeremydmiller in #2842
• Making the aggregate projections smarter in the face of mixed Create() & Apply() methods for the same event by @jeremydmiller in #2844
• Allowing users to add LINQ order by operators with literal SQL. Close… by @jeremydmiller in #2845
• Removed FullTextIndex from Marten and used FullTextIndexDefinition instead by @oskardudycz in #2847
• Use built-in snake-casing implementation in .NET 8 by @Hawxy in #2851
• #2762 Include documentation on DevOps including database migrations by @erdtsieck in #2853
• Assorted Linq fixes by @jeremydmiller in #2857
• #2849 ApplyEventException can leak event data to logs by @erdtsieck in #2854
• Propagating tenant override filters to Include() queries. Closes GH-2618 by @jeremydmiller in #2858
• Can order by a combination of string name for the property and string… by @jeremydmiller in #2859
• #2762 menu item to documentation on DevOps by @erdtsieck in #2860
• Add support for NpgsqlDataSource by @oskardudycz in #2855
• LINQ improvements for string.ToLower()/ToUpper() and querying by arra… by @jeremydmiller in #2861
• Using the cast on descending order by. Closes GH-2862 by @jeremydmiller in #2863
• Update storage.md to remove mt_append_event by @gfoidl in #2868
• Added Helpdesk sample from EventSourcing.NET repo by @oskardudycz in #2870
• Making the event stream version check work for Append to empty stream… by @jeremydmiller in #2872
• Forcing function names created for flat table projections to be all l… by @jeremydmiller in #2873
• Ability to filter Include() documents. Closes GH-2444 by @jeremydmiller in #2874
• Fix docs: links and minor typos by @schnerring in #2869
• test helper for async projections. Closes GH-2624 by @jeremydmiller in #2875
• Improved LINQ Select() transformations. Closes GH-1926. Closes GH-1026 by @jeremydmiller in #2877
• Add warning about schema changes by @ParadiseFallen in #2880
• (Mostly) using NpgsqlBatch and positional parameters behind the scenes by @jeremydmiller in #2894
• Ensuring that we don't try to check the ImplementationInstance prop f… by @jeremydmiller in #2905
• Couple LINQ fixes by @jeremydmiller in #2906
• Minor feature improvements to coordinators by @Hawxy in #2897
• feat: Allow Identity to use IEvent by @Blackclaws in #2884
• Overhaul of the execution pipeline by @jeremydmiller in #2918
• "Sticky" connection mode, doc updates, 7.0 migration guide by @jeremydmiller in #2929
• Index creation bug fixes. Closes GH-2893. Closes GH-2916. Closes GH-2914 by @jeremydmiller in #2930
• fix: Use count(*) instead of count(1) for performance reasons by @Blackclaws in #2925
• Clarify what happens with the batch file by @lamelyan in #2913
• Documentation on understanding event sourcing by @erdtsieck in #2920
• Patch implementation using pure PL/pgSQL by @mysticmind in #2923
• Add functionality to chain patch operations on multiple fields by @mysticmind in #2931
• #2943 Do not fail aggregate code generation on parallel execution by @erdtsieck in #2944
• Linq fixes for Hawxy (and V7) by @jeremydmiller in #2958
• LINQ bug fixes for a couple items around dictionaries and enum usage.… by @jeremydmiller in #2959
• Using the document Id itself for including a related document. Closes… by @jeremydmiller in #2960
• Alternative numeric revision strategy for optimistic concurrency by @jeremydmiller in #2963
• Update Vitepress by @Hawxy in #2899
• Updating to JasperFx.CodeGeneration. Closes GH-2932 by @jeremydmiller in #2969
• Got a BeforeCommitAsync() as part of async listeners. Closes GH-2962 by @jeremydmiller in #2970
• Async Daemon Overhaul for V7 -- and also a new Dynamic Tenant Database recipe by @jeremydmiller in #2954
• Blue green async projection deployments! And zero downtime too. Closes GH-1720 by @jeremydmiller in #2973
• Removed [Obsolete] and upgraded to Weasel 7.0.0. Closes GH-2806 by @jeremydmiller in #2974
• Dynamic spin of async daemons for dynamic tenant databases by @jeremydmiller in #2977
• feat(#2945): AsyncDaemonHealthCheck - add maxSameLagTime option by @MateuszNaKodach in #2950
• Linq fixes for Where(x => false) by @jeremydmiller in #2981
• Fixes and improvements for Critter Stack Pro rollout by @jeremydmiller in #2987
• relaxed duplicate alias check to consider schema names. Closes GH-2955 by @jeremydmiller in #2990
• Adding logging from ILogger to the NpgsqlDataSource when building via… by @jeremydmiller in #2991
• Broke out separate testing project for database multi-tenancy by @jeremydmiller in #2992
• Upgrading to Weasel 7.1. Closes GH-2983. Closes GH-2914 by @jeremydmiller in #2993
• Fix issue 2996: Sort by Type.FullName, not just Type.Name by @zachsaw-lmg in #2997
• Ability for the async daemon to skip unknown event types to enable bl… by @jeremydmiller in #2998
• Better way of adding logging to internal NpgsqlDataSource. Closes GH-… by @jeremydmiller in #2999
• Fixes for 7.0 by @jeremydmiller in #3006

New Contributors

• @ParadiseFallen made their first contribution in #2880
• @Blackclaws made their first contribution in #2884
• @lamelyan made their first contribution in #2913
• @MateuszNaKodach made their first contribution in #2950
• @zachsaw-lmg made their first contribution in #2997

Full Changelog: 6.4.1...v7.0.0