[Full Changelog](https://github.com/nodegit/nodegit/compare/v0.26.0...v0.26.1)

- Bumped LibGit2

- Additional git ignore fixes

- Allow credentials callback to return any credential type from list of supported types

- Memory leak and allocation fixes

- updateTips has optional parameters and should convert plain objects into options structs correctly now

- Added Nodegit.Blob.prototype.filter, this should be used instead of NodeGit.Blob.filteredContent as it is not deprecated.

- [Bump libgit2 to latest fork of master #1723](https://github.com/nodegit/nodegit/pull/1723)

- [updateTips: optional param and normalizeOptions #1722](https://github.com/nodegit/nodegit/pull/1722)

- [Parallelize checkout_create_the_new for perf #4205](https://github.com/libgit2/libgit2/pull/4205)

- [azure: build Docker images as part of the pipeline](https://github.com/libgit2/libgit2/pull/5198)

- [smart: use push_glob instead of manual filtering](https://github.com/libgit2/libgit2/pull/5195)

- [ntlm: fix failure to find openssl headers](https://github.com/libgit2/libgit2/pull/5216)

- [cmake: remove extraneous logging](https://github.com/libgit2/libgit2/pull/5222)

- [open:fix memory leak when passing NULL to git_repository_open_ext](https://github.com/libgit2/libgit2/pull/5224)

- [apply: Fix a patch corruption related to EOFNL handling](https://github.com/libgit2/libgit2/pull/5209)

- [ignore: correct handling of nested rules overriding wild card unignore](https://github.com/libgit2/libgit2/pull/5210)

- [Memory allocation fixes for diff generator](https://github.com/libgit2/libgit2/pull/5214)

- [Use an HTTP scheme that supports the given credentials](https://github.com/libgit2/libgit2/pull/5212)

- [apply: git_apply_to_tree fails to apply patches that add new files](https://github.com/libgit2/libgit2/pull/5208)

- [Optionally read `.gitattributes` from HEAD](https://github.com/libgit2/libgit2/pull/5189)

- [config: implement "onbranch" conditional](https://github.com/libgit2/libgit2/pull/5196)

- [Fix include casing for case-sensitive filesystems.](https://github.com/libgit2/libgit2/pull/5213)

- [util: use 64 bit timer on Windows](https://github.com/libgit2/libgit2/pull/5054)

- [Memory allocation audit](https://github.com/libgit2/libgit2/pull/5200)

- [clone: don't decode URL percent encodings](https://github.com/libgit2/libgit2/pull/5187)

- [Security updates from 0.28.3](https://github.com/libgit2/libgit2/pull/5202)