# Hail 0.2.6 patch notes

**URL:** <https://discuss.hail.is/t/hail-0-2-6-patch-notes/809>\
**Category:** Updates\
**Created:** [December 17, 2018, 2:07am UTC](https://discuss.hail.is/t/hail-0-2-6-patch-notes/809 "2018-12-17T02:07:16Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![tpoterba](https://yyz2.discourse-cdn.com/flex036/user_avatar/discuss.hail.is/tpoterba/32/61_2.png) [@tpoterba](https://discuss.hail.is/u/tpoterba)\
**Post date:** [December 17, 2018, 2:07am UTC](https://discuss.hail.is/t/hail-0-2-6-patch-notes/809/1 "2018-12-17T02:07:16Z")

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## 0.2.6

Released 2018-12-17

### New features

- ([#4962](https://github.com/hail-is/hail/pull/4962)) Expanded comparison operators (`==`, `!=`, `<`, `<=`, `>`, `>=`) to support expressions of every type.
- ([#4927](https://github.com/hail-is/hail/pull/4927)) Expanded functionality of `Table.order_by` to support ordering by arbitrary expressions, instead of just top-level fields.
- ([#4926](https://github.com/hail-is/hail/pull/4926)) Expanded default GRCh38 contig recoding behavior in `import_plink`.

### Performance improvements

- ([#4952](https://github.com/hail-is/hail/pull/4952)) Resolved lingering issues related to ([#4909](https://github.com/hail-is/hail/pull/4909)).

### Bug fixes

- ([#4941](https://github.com/hail-is/hail/pull/4941)) Fixed variable scoping error in regression methods.
- ([#4857](https://github.com/hail-is/hail/pull/4857)) Fixed bug in maximal\_independent\_set appearing when nodes were named something other than `i` and `j`.
- ([#4932](https://github.com/hail-is/hail/pull/4932)) Fixed possible error in `export_plink` related to tolerance of writer process failure.
- ([#4920](https://github.com/hail-is/hail/pull/4920)) Fixed bad error message in `Table.order_by`.