PCSWMM 2024 
New Move mode (Map panel) streamlines geo-referencing and enables translation/rotation of radar rainfall events (Professional version)
Snap selected pathway to a line shape
Relocate selected pathway to a line shape
Insert selected pathway to a conduit (useful for inserting bridge structures)
Slide selected node (up/down the conduit path)
Rotate selected polygons
Translate selected shapes
Create video for Map animation and Profile animation (Professional version)
New table filter for creating custom tables; filtering both columns and rows with SQL support
Add favorites to the Table panel for storing custom tables (stores filter and sort order)
Add function to Reporting tool to save custom tables to Excel, Access and SQL database (Professional version)
Add function to Reporting tool to save select time series to a database (Professional version)
Improve memory management for loading very large status report files (.rpt)
Improve memory management for large time series datasets
Support time series projects (*.tsp) for managing/editing/analyzing any time series (not just SWMM specific) (Professional version)
Add Calgary design storms, Edmonton design storms and the more common Chicago design storm to the Design Storm Creator (in Raingage editor)
New binary time series file format (*.tsb) for very fast handling of large data sets; stores an unlimited number of mixed-type time series.
Provide for late loading of time series from Time Series Files (.tsf); time series only loaded when tree node is clicked, which provides for faster loading of projects with many connected TSF files.
Optimize output file time series loading speed
Add Duration-Exceedance Curve plots (function tab in Graph panel, Professional version)
Add Delete button to Graph panel for deleting time series
Support custom units for time series in ADS profile database
Improve graph aesthetics
Improvements to the Graph panel's Event manager
Add ability to restrict auto-selection of events to specific seasons
Add ability to select events based on dates (for annual or monthly analysis)
Add invert events function (to select dry weather periods)
Add Create Control Time Series command to generate an event-based setting time series for use by control rules
Add support for the new Digital Instantaneous Precipitation Rate (DPR) dual polarity (Dual-Pol) NEXRAD radar product (Professional version)
Implemented faster native code to decode Digital Hybrid Reflectivity (DHR) NEXRAD radar product (Professional version)
Add Max Head attribute to the Floodplain transects line layer
Add ability to truncate transects to their overbank stations (Transects Editor, Professional version)
Improvements in Transect Creator tool (Professional version)
New method for auto-creating transect lines improves transect orientation and better avoids overlap
Improve method for assigning transects to conduits; if two or more irregular conduits overlap with a transect, assign the one that is close to the center
Add option for transect auto-length function; check elevations starting at the center low point to edges
Add minimum length to the transect creator to avoid short transects
Add ability to create an averaged transect for each conduit (Conduit transects tab) by automatically sampling transects along the conduit length (Professional version)
New Backstage
Provides access to all previous File menu commands, with improvements to organization and supplementary information
Improved recent projects list; new preview of project information and direct access to scenarios (Recent tab)
Improved project manager; new preview of project information and direct access to scenarios (Manage tab)
Consolidates data importing tools (Import tab)
Consolidates printing options (Print tab)
Consolidates project packaging and data exporting tools (Save & Send tab)
Improved Layout manager (Layout tab)
Consolidates all help, training and reference resources (Help tab)
Relocate Layer Manager to below Project panel
Add "Open Street Maps" tile service (Layer Manager, Professional version)
Improve layout of items in the Project panel; SWMM5 layers now relocated to the Layer Manager
Improvements to all editors; edits to multiple objects are only saved when the OK button is clicked, no more prompts to save changes when switching between objects
Improve layout of Tools Browser; now organized by function
Improvements to the Simplify Network tool
Add option to create missing Junctions in Auto-Connect tool
New Set Direction tool; sets the flow direction of all upstream conduits to drain towards the selected outfall(s)
Improvements to the Replace tool
Add layer selector to the Replace tool
Add option to apply the Replace tool to all entities (regardless of selection)
Now allows replacing of raingages, outlet nodes, snowpacks, aquifers and receiving nodes in the Subcatchment layer
Now allows multi-entity replacing of assigned time series, time patterns, hydrographs and curves in the nodes/links layer
Change Split Conduit function to apportion conduits Length attribute, not GIS length
Remove two redundant commands from the Menu in the Map panel (Snap To, Import Data)
Allow ability to delete multiple selected entities on multiple layers simultaneously
Add ability to display vertex numbers and reverse vertex order for shapes; "Show vertex number" and "Reverse vertices" to the edit toolbar
Improve shape parts handing tool; new option to split parts into separate shapes, as well as delete parts (Edit Parts command in right-click context sensitive menu and in Attributes panel Menu)
Automatically assign nearest Outlet after a subcatchment is created
Automatically assign subcatchment Outlet when splitting or joining subcatchments
Add "Auto-assign" to the Outlet dropdown list for subcatchments in the Attributes panel
Assign raingage if possible after a subcatchment is created
Check assigned raingages before running SWMM5
Add "Select all" to the Graph and Profile tab in the Report dialog
Make changes to preview POIs in the Attributes panel
Add support for double-clicking on an entity in the Map panel to edit its shape
Add a list of recently used coordinate systems to the Coordinates editor
Show warning message when unlocking a background layer
Make changes to the status bar
Add Coordinate System to the status bar
Add Flow units to the Options editor
Allow duplicate names for saved map extent
Allow map animation even if results are outdated
Allow copying polygons to lines layer (will convert to a line entity)