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| -rw-r--r-- | Documentation/RelNotes/2.56.0.adoc | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/Documentation/RelNotes/2.56.0.adoc b/Documentation/RelNotes/2.56.0.adoc index b2d2c8a674..5c6bfe1fd8 100644 --- a/Documentation/RelNotes/2.56.0.adoc +++ b/Documentation/RelNotes/2.56.0.adoc @@ -43,6 +43,11 @@ UI, Workflows & Features output has been optimized to reserve a column for marks (caret, question mark, or asterisk) only when such marks are actually shown. + * Option parsing with 'git rev-parse --parseopt' and in most 'git' + subcommands has been updated to exit with 0 (instead of 129) when the + help option ('-h' or '--help') is requested directly by the user, + aligning with standard Unix convention. + Performance, Internal Implementation, Development Support etc. -------------------------------------------------------------- @@ -108,6 +113,56 @@ Performance, Internal Implementation, Development Support etc. the generated header file 'hook-list.h' is built before compiling files in 'builtin_sources' that depend on it. + * The repository discovery and repository configuration phases, which + were previously intertwined in 'setup.c', have been split. Repository + discovery has been updated to populate a 'struct repo_discovery' + without modifying the repository state, which is then taken by + repository configuration to initialize the repository, paving the way + for clean unification of repository configuration. + + * The 'SubmittingPatches' document has been updated to explicitly + describe the expectation for contributors to retract or abandon their + patch series when they are no longer pursuing it. + + * The contributor guide has been updated to advise new contributors to + trim irrelevant quoted text when replying to review comments, matching + the existing advice given to reviewers. + + * The build system has been updated to support building universal macOS + binaries when 'Rust' is enabled, by compiling separate static archives + for each target triple listed in 'RUST_TARGETS' and combining them + using the macOS 'lipo' tool. The 'git-credential-osxkeychain' helper + has been updated to link against '$(RUST_LIB)' when 'Rust' is enabled. + + * The test suite has been updated to use the 'test_grep' helper instead + of bare 'grep' for test assertions, allowing file contents to be + printed on failure for easier debugging. A new 'greplint' linter has + been introduced to detect and prevent new bare 'grep' assertions from + being added to the test suite. + + * The pipelines in 't1410-reflog.sh' have been replaced with the + 'test_stdout_line_count' helper to avoid suppressing the exit code of + 'git' commands, ensuring failures are not hidden from the test suite. + + * The cache-scanning loop in 'next_cache_entry()' has been optimized + to avoid rescanning already-unpacked index entries, preventing a + quadratic performance slow-down when diffing the working tree + against a commit with a pathspec matching early index entries. + + * The global configuration variable 'ignore_case' (representing the + 'core.ignorecase' configuration) has been migrated into 'struct + repo_config_values' to tie it to a specific repository instance. + + * The performance of ref updates and reads using the 'reftable' backend + in the presence of many deletion tombstone records has been optimized + by removing the tombstone suppression flag from the merged iterator + and instead skipping tombstones at higher-level call sites where + iteration bounds are known. + + * Various code paths have been hardened against potential NULL-pointer + dereferences and invalid file descriptor accesses flagged by + Coverity. + Fixes since v2.55 ----------------- @@ -215,3 +270,31 @@ Fixes since v2.55 escape sequences that use colon-separated subfields (e.g., for 256-color or true-color codes). (merge 3792b2aea4 mm/sideband-ansi-sgr-colon-fix later to maint). + + * The 'reftable' code has been hardened against corrupted tables by + fixing out-of-bounds writes, out-of-bounds reads, and abort calls + during parsing. + (merge ca93c27328 ps/reftable-hardening later to maint). + + * A description in the release notes for Git 2.55.0 has been + retroactively updated to clarify that Rust support is enabled by + default, but still optional, and will become mandatory in Git 3.0. + (merge 18b2009d14 jc/relnotes-2.55-rust-fix later to maint). + + * The early-exit optimization in 'paint_down_to_common()' has been + gated on the queue being generation-ordered, fixing a bug where + 'git merge-base' (without '--all') could return incorrect results + on repositories with v1 commit graphs and clock skew. + (merge ae68032a8d kk/commit-reach-find-all-fix later to maint). + + * The client-side parser of the server-advertised bundle-URI list has + been updated to drain the remaining response in order to avoid + protocol desynchronization when the server sends a misconfigured list. + Also, the server-side has been taught to omit empty configuration + values instead of sending invalid key-value lines. + (merge 50de1169e4 tc/bundle-uri-empty-fix later to maint). + + * The 'topo_levels' slab was propagated only to the topmost layer of a + split commit-graph chain, causing topological levels for commits in + base layers to be recomputed during incremental writes. This has been + corrected. |