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NuGet · #84 most downloaded on NuGet
A high performance Micro-ORM supporting SQL Server, MySQL, Sqlite, SqlCE, Firebird etc. Major Sponsor: Dapper Plus from ZZZ Projects.
Last release 15 days ago
23 Sep 2026
Ships unpredictably
gaps range from 1 weeks to 13 months
Rarely documented
notes for 9 of the last 60 stable releases
10 versions withdrawn
withdrawn after publishing
127 years old
95 releases · first in 1900
Fully sign the StrongName assemblies on every platform by @mgravell in #2237
Full Changelog: 2.1.86...2.1.89
One column per quarter.
Point docs links at dapperlib.dev by @mgravell in #2222
Full Changelog: 2.1.79...2.1.86
Fix segfault when ICustomQueryParameter is a value type ( #2189 ) by @andreasblueher in #2198
Full Changelog: 2.1.72...2.1.79
TFM packaging for .NET 10 by @mgravell in #2195
Full Changelog: 2.1.66...2.1.72
WARNING: DateOnly / TimeOnly support, added in 2.1.37, had multiple failure modes, and was quickly reverted pending finding the time to investigate wh
WARNING: DateOnly / TimeOnly support, added in 2.1.37, had multiple failure modes, and was quickly reverted pending finding the time to investigate what went wrong. The impacted packages were unlisted, with 2.1.35 being the last listed version. This is the first version after that debacle, which means if you are using the impacted 2.1.37 or similar: this version will effectively remove functionality (although it was actually disabled a very long time ago).
Full Changelog: 2.1.44...2.1.66
(fixes NuGet readme) Full Changelog : 2.1.42...2.1.44
(fixes NuGet readme)
Full Changelog: 2.1.42...2.1.44
revert #2050 - see #2049 for more details by @mgravell in #2070
string and byte[] : add UseGetFieldValue by @mgravell in #2050
Full Changelog: 2.1.35...2.1.37
Fix issue #1164 - arithmetic overflow for unsigned integer mapping by @rukpet in #1795
Full Changelog: 2.1.28...2.1.35
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Fix codegen error in value-type multimap #2005 by @mgravell in #2022
Full Changelog: 2.1.24...2.1.28
Improve null handling on ICustomQueryParameter (and add new DbString .ctor) by @mgravell in #2003
null handling on ICustomQueryParameter (and add new DbString .ctor) by @mgravell in #2003Full Changelog: 2.1.21...2.1.24
expand auto-sproc detection to handle more scenarios and explicit exclusions by @mgravell in #1989 and #1995
Full Changelog: 2.1.15...2.1.21
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